In this new blog from Electrician Tools Reviews, I help you choose the best wire crimping tool. Check out a curated selection of the top crimpers available, and learn the ins and outs of picking the right one for you.
(Disclosure: Hiya! Certain links to products and/or services are affiliate links, and I may earn a commission for any purchases that you make. This will not be at any cost to you.)
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Table of Contents
Whether you’re a seasoned professional electrician or just an enthusiastic DIYer dabbling in home repairs, no toolbox is complete without a reliable wire crimper.
But with so many available options, how can you be certain you’re picking the best one? In this guide, we dissect top-rated wire crimpers, review their features, and guide you toward choosing the right wire crimping tool — one that will streamline your work and be a dependable companion through countless projects.
When choosing a wire crimping tool, consider factors such as the type of wire you are working with, the size and gauge of the wire, and the type of connector or terminal you need to crimp. It is also important to read user reviews and select a reputable brand. Proper technique and safety precautions should be used when working with wire crimping tools to ensure effective use and avoid injuries.
Understanding Your Wire Crimping Tool
Wire crimping tools are an instrumental part of any electrician’s toolkit. They provide a secure and reliable connection between two wires or terminals by compressing them together through a process called crimping. A well-made crimp provides superior electrical conductivity, is corrosion-resistant, and can withstand rough handling and environmental stress.
In its most basic form, a wire-crimping tool consists of two jaws that close together to form a crimp around the wire or terminal.
These tools can come in many shapes and sizes, including pliers-style, ratcheting, and handheld hydraulic models.
For instance, pliers-style wire crimpers are easy to use on smaller gauge wires and are often lightweight enough to easily fit into a tool pouch without taking up too much space. Ratcheting wire crimpers have more leverage and can produce consistent, uniform crimps over time. Meanwhile, handheld hydraulic crimpers require much less manual effort since they employ hydraulics to accomplish stronger and more precise crimps.
The mechanism used also plays a role in how effectively the tool can be used. Generally speaking, better-quality wire crimps employ more advanced mechanisms — delivering higher precision.
Uses Of Wire Crimping Tools
Whether you’re working in residential homes or commercial buildings, there are several scenarios where you may need to use a wire crimper:
– Installing a new light fixture
– Splicing wires together
– Terminating the end of a wire to a connector or terminal
– Repairing an electrical system
In all these instances, using the appropriate wire crimper is important for ensuring that your electrical connections are strong and reliable. Making even a small mistake can lead to more significant problems down the line.
For example, suppose you use too much force when crimping. In that case, there’s a risk you could damage the wire terminal or insulation, compromising the strength of the connection and potentially leading to electrical failure over time.
Furthermore, some electrical systems may not be as resilient to poor-quality crimps — a poorly made crimp might compromise the system’s integrity, which puts lives and property at risk.
Understanding The Task At Hand
Selecting the correct form factor for your use case can also be critical. For example, hydraulic wire crimpers might not be as suitable for fast-paced installation jobs where time is money compared to other options. In contrast, ratcheting wire crimpers provide consistent torque output and are ideal for frequent use.
It may be tempting to merely stick with one tool and use it for every job, regardless of its suitability. However, this can lead to poor results that compromise safe operation over time.
Having covered what wire crimping tools are and their uses-cases, let’s look at the key features any electrician should keep in mind when selecting the best wire crimping tool.
Key Features Of The Best Wire Crimping Tools
These come in different types, each with features that make them useful for specific applications. Choosing the best wire crimping tool for the types of jobs you carry out thus requires you to evaluate and prioritize key features depending on your use case:
Ergonomics
A good wire crimping tool must have an ergonomic design that is comfortable to hold and use for an extended period. The handle should be made from high-quality materials that are non-slip to ensure a secure and safe grip when in use.
Material
The material used in making a wire crimping tool determines its durability, strength, and performance. High-carbon steel, stainless steel, or composite materials such as carbon fiber are commonly used.
The material you choose can affect the tool’s longevity and performance. For instance, steel-based crimpers offer superior strength and durability than their counterparts made from composite materials. However, typically, they may be more expensive than options made from composite material.
Versatility
Versatility can be a crucial factor when choosing the best wire crimpers. Multi-functional tools with built-in strippers and cable cutters can prove beneficial in completing various tasks without needing multiple tools.
On the other hand, single-purpose tools might be better suited for specialized tasks that require precision or power beyond what a multi-tool could provide. When selecting a crimper based on versatility, it is important not to sacrifice functionality or quality over that versatility.
Now that we know some key features to consider when choosing the perfect wire crimper for your needs, let us discuss…
Design Aspects And Functionality
Mechanism
Wire crimping tools utilize different mechanisms, including several repetitive cycles that produce a consistent and reliable connection. The ratchet mechanism allows for smooth and repetitive pressure application while reducing the hand fatigue associated with lesser-quality wire crimpers.
Some of the most reliable types of wire crimpers include those that use a ratchet mechanism because it ensures
that each crimp is uniform and consistent.
Construction
A solid construction design ensures consistent performance.
One such design feature is the built-in spring that helps to keep the jaws open and accessible. Additionally, a well-constructed crimper should be made using high-quality materials and robust manufacturing techniques to ensure durability, long-lasting service life, and reliable performance.
Compatibility
When selecting a wire crimping tool based on compatibility, consider both the type of connector as well as the wire gauge size. Some tools are specifically designed to work with different gauge sizes or types of connectors versus others that are more versatile.
Choosing a crimper specific to your needs will minimize errors, prevent unwanted damage, and ensure an efficient workflow, saving you time and money.
Hand Strength Requirements
Certain wire crimping tools require less hand strength than others, making them ideal for individuals who may have conditions affecting their grip. Often referred to as “easy squeeze” models because they use progressive leverage designs with minimal force needed from the user. You can also choose from manual or electrical options.
These models allow users of all strengths to achieve professional-level results without causing undue fatigue or strain.
Design aspects and functionality are crucial features to keep in mind when selecting the best wire crimping tool. Now that we have gone through key design aspects, let’s focus on selecting the right wire crimper for your specific needs.
Selecting The Best Wire Crimping Tool
Choosing the best wire crimping tool is crucial for every electrician. If you’re working with wires and connectors regularly, investing in a high-quality one is a must. Before choosing, there are several factors to consider.
First, identify the type of wire and connector you will be working with. This will determine the gauge of the wire and the size of the connector that needs to be crimped. If your tool isn’t capable of accommodating the specific gauge or size of wire, then it won’t be effective in creating a secure connection.
Another factor to consider is, again, the material used in making the crimping tool itself. You want a tool made from high-quality materials such as steel or aluminum, which can provide durability even after repeated use.
Think of your crimping tool like a pair of electrical work boots — you want them to fit properly and be comfortable enough to wear all day. In the same way, you want a crimping tool that fits your hand well and feels comfortable enough to use for extended periods.
When selecting a wire crimping tool, price versus quality can often feel like a trade-off. However, investing in a higher-priced tool with superior quality can save you money in the long run by avoiding having to replace tools frequently due to wear and tear.
Safety Measures For Wire Crimping
When working with electrical wiring, safety MUST always be a top priority. SAFETY COMES FIRST! ALWAYS.
Wire crimping tools, while essential for efficient and effective electrical work, can also pose some potential hazards if not used properly. Here are some safety measures to keep in mind when using wire crimping tools:
Wear The Right PPE
First and foremost, it is important to wear proper personal protective equipment (PPE). This includes gloves, eye protection, and appropriate clothing that covers the body. Gloves provide an added layer of insulation. Eye protection can prevent debris from entering the eyes during the crimping process.
Ensure The Wires Have Been Correctly Prepped
Additionally, always ensure that the wires you are crimping have been properly stripped and cut before being placed into the tool. Improperly prepared wires may result in loose connections. To prevent this, invest in good-quality wire strippers and cutters specifically designed for electrical work.
Choose The Appropriate Wire Crimper Size
Another important aspect of safety is selecting the appropriate size of wire crimping tool for the job at hand.
While it may be tempting to use a larger tool to get the job done quickly, doing so increases the risk of damaging both the tool and connector components. However, using a tool that is too small may result in incomplete or weak crimps that could eventually lead to an electrical failure or potential safety hazard.
Think of it like fitting a square peg into a round hole. If the connector does not fit snugly into the crimper, then it’s likely that electricity won’t flow as intended through this misshapen connection point.
Don’t Use On Live Circuits
Another common mistake is attempting to use wire crimping tools on live circuits. NEVER attempt to crimp wires while they are still carrying electrical current, as doing so can cause electrical shocks, burns, or other serious injuries. Always ensure that the power source has been turned off and that the wires have been properly disconnected before proceeding with any crimping work.
Regular Maintenance
Lastly, regular maintenance of wire crimping tools is important to keep them in good working condition and prevent potential wear and tear.
Check for any signs of damage or defects before each use, and replace any worn or damaged components immediately. Additionally, keep the tool clean and debris-free to prevent any interference during the crimping process.
By following these safety measures, you can ensure both your own safety and the effectiveness of your electrical work when using wire crimping tools. With proper attention to detail and care, you’ll be well on your way to getting the best wire crimping tool for the job!
1 – Haisstronica 6PCS Crimping Tool Set
A great multi-purpose crimper that can handle most of the tasks. However, it might require some practice to get used to it.
- Strong Crimps Is The Core- The main job of the tool is to make beautiful crimps! The hand-replacement crimping tool jaws is tightened securely, which also means that there is no jaw drop, especially in ocean and specific scenarios.The haisstronica crimp tool jaws forged with 40CR precision…
- Wire Crimping Tool Set- The tool set includes 1 wire crimping tool,6 different types of chrome dies. Complete with crimping tools for wiring projects, All you need to do is just take it away!
- Choose Without Barriers-Your equipment should never hold you back; When you need to change different wire connectors,the AWG-marked chrome-plated crimp dies offer you 6 options including heat shrink connectors,Insulated and nylon wire terminals,Non-insulated terminals,Insulated cable-end…
- Precise Eatchet Structure- A good product depends on exquisite workmanship! Features a comfortable grip and firm ratchet action for smooth crimp tool action and good release. The crimp secures tightly “like a solder” to the wire terminal. Make equipment more secure!
- Buyer Confidence- We stand behind the quality of our products. If for any reason you are not satisfied with your purchase,please contact us.We offer a 30-day money-back guarantee,and a 12-month replacement warranty giving customers a 100% Satisfaction Guarantee for risk-free purchases!
PROS
- Strong and well-made
- Easy to use
- Versatile with many crimping abilities
CONS
- Does not come with instructions
- May not be ideal for heavy use
2 – Klein Tools 3005CR Wire Crimper Tool, Ratcheting Insulated Terminal Crimper
An excellent crimping tool that offers great results with less effort. Even a novice should be able to work with it easily!
- Crimps insulated terminals onto 10-22 AWG stranded copper wire
- Adjustable compound action design puts more crimping power into each squeeze
- Three crimping cavities in one tool: 22–16 AWG (Red), 16–14 AWG (Blue) and 12–10 AWG (Yellow) terminals
- Built-in ratchet ensures full-cycle crimping for a uniform crimp every time
- Unique cavity design provides consistent crimp from either side of the tool
- Dial adjusts the amount of force applied to the crimp
- Dual-material molded grips provide added comfort
PROS
- Reasonably priced
- Color-coded jaws for easy identification
- Provides a strong crimp
- Very durable construction
CONS
- Some users don’t prefer the handle design
- The release lever in it is hard to reach
3 – Hand Operated Hydraulic Crimping Tool Range 12 AWG-2/0
An inexpensive choice for anyone looking for a decent-quality hydraulic crimping tool to get basic jobs done. However, it will take some tries to determine the right size for your needs.
- Hydraulic crimping tool specification: Crimping range 12 AWG-2/0 AWG, Stroke 0.45 Inch
- Hydraulic crimping tool 9 pairs of dies: 12.10.8.6.4.2.1/0. 2/0 AWG and 1/8 “for stainless steel wire rope
- 【Wide Application】 The crimper tool is great for battery and welding cables , power Wires , and electrical cables ,even can be rotated 180° freely for narrow space working
- 【Comfortable grip】 The vinyl-dipped grip is very comfortable and easy to use and Wont slip. The handle has a return spring for one-handed operation
- 【Easy operation】The mold can be easily replaced by one-way fixed latch
PROS
- Inexpensive compared to other hydraulic crimpers
- Offers a tight crimp with less effort
- Versatile in use with 9 pairs of dies
CONS
- Issues with the die sizes
- Not the most durable choice
- A bit bulky
4 – Ferrule Crimping Tool Kit
- FERRULE CRIMPING RANGE: The crimping range is AWG: 28-7 (0.08-10mm²). Each Kit comes with A Handy Ferrule Crimping Plier (Quadrilateral) with 1800pcs Wire Ferrules (AWG: 22-8)
- SELF-ADJUSTABLE RATCHET: Automatically adjusting itself to the appropriate diameter for stripping terminals, the ratchet self-adjusting design improves accuracy and reliability during crimping to avoid wasting terminals
- ERGONOMIC HANDLE DESIGN: With nylon material and the leverage theorem, the handle allows you to save energy, which makes your operation easier and provides you with sturdy crimping
- PORTABLE FUNCTIONAL KIT: Ferrule Crimping Tool Kit could help you quickly complete the wiring, suitable for all kinds of equipment switches, batteries, cars and household, electronic components with pins etc
- HIGH-QUALITY MATERIAL: Wire Ferrules is made of high-quality tinned copper and Nylon insulating sleeves to ensure excellent electrical conductivity and high corrosion resistance. The Nylon sheath has the characteristics of insulation and flame retardant, which is safe and reliable
PROS
- Adjustable ratchet works smoothly
- Cheap
- Easy to use
- Color-coded ferrules for easy identification
- Decent quality
CONS
- May not be very durable
- Not an industry-grade crimp
5 – Wire Terminals Crimping Tool Kit, Insulated Ratcheting Terminals
While not the best choice for professionals, this crimping tool set offers great value for money. It will hold up well for moderate use.
- PROFESSIONAL CRIMPING TOOL:Ratcheting Wire Terminal Crimper features a ratcheting mechanism design with adjustable crimping compression. It has a steel jaw with color coded wire.
- GOOD PERFORMANCE:This wire crimper is made of premium industrial grade high strength chrome vanadium steel which is treated with black oxidation,rust and corrosion resistance.
- PRECISE RATCHETING MECHANISM:Wire connectors are crimped by squeezing the handle through a complete ratcheting cycle until the handle releases automatically.The wire connectors can be secured by the ratcheting for you to insert the wires into the crimp.
- ADJUSTABLE CRIMPING COMPRESSION:This terminal crimper with a ratchet that you can adjust the handle crimp strength by adjusting the roulette to ensure uniform crimping each time.
- 800PCS CONNECTORS:It comes with a box of 800pcs- 27 types of wire terminals connectors. RED for (0.5-1.5mm² /AWG 20-16), BLUE for (1.5-2.5mm² /AWG 16-14), YELLOW for (4-6mm² /AWG 12-10).
PROS
- Cheap
- Sturdy
- Color-coded jaws for easy identification
- Ergonomic handle
- Good quality crimp connectors
CONS
- Crimping issues noted by some users
6 – Qibaok Crimping Tool Ratcheting Wire Crimper for Heat Shrink Connectors
One of the best and most affordable crimping tools for heat shrink connectors!
- This wire crimper tool works best with heat shrink connectors.this hand crimper has efficient ratcheting mechanism and High-precision jaw which is color coded. Crimping is accurate and never damage the terminal,crimping is in one step.
- Ergonomic handle provides maximum comfort and reduced hand fatigue.Non-slip design to ensure strong grips in any condition,provides maximum leverage and increased comfort making the grip self adjusting.
- This wire crimper is made of premium industrial grade high strength carbon steel which is treated with black oxidation,rust and corrosion resistance.Qibaok professional insulated wire terminals connectors ratcheting crimper tool is designed for 22-10AWG.
- This terminal crimper has a star wheel that you can adjust the handle crimp strength by adjusting the roulette to ensure uniform crimping each time.Heavy Duty Full-Cycle ratcheting terminal crimper with labor saving system help to a easier operation.The ratcheting function allows to secure a wire…
- Wire Crimper can be used for home appliance repair, home circuit repair, vehicle circuit connection, and everything about circuit connection.
PROS
- Reasonably priced
- Provides a good crimp in most cases
- Durable
- Color-coded jaws make crimping easier
CONS
- The plastic handles tend to slide off when using
- Issues when crimping small connectors
7 – Wire Rope Crimping Tool, Up To 2.2mm Swager
A durable and reliable crimping set for cutting cables and crimping different-sized wires.
- 【Premium Quality】- The wire crimping tool was made of heavy-duty stainless steel, which is corrosion and rust resistance. 4 positions: 0.1-0.5mm, 0.5-1.0mm, 1.0-2.0mm, 2.2mm, It can easily crimp copper/aluminum sleeve and more from 50-450 lb test line.
- 【Special-Purpose】- Cable crimper tool With non-slip grips and self-locking. The safety lock is an easy way to keep your crimper closed when you don’t use it. And the mechanism design makes it more relaxing to provide optimum pressure.
- 【Wide Application】- Crimping tool kit comes with 2 hardened steel side cutters, which can help you cut the wire without frays and the strong spring opens the cutters instead by your hands. Coordinate with aluminum double-barrel ferrule crimping loop sleeve can be widely used for wire rope.
- 【Package Included】- High precision wire rope crimping tool with a 100Pcs Aluminum double-barrel ferrule crimping loop sleeve kit.
- 【Pay Attention to】- ❶ The crimping tool can only be crimped to aluminum sleeves of 3/32″ and below. ❷ The cutting section can only cut wire ropes 1/16″ and below.
PROS
- Great value for money
- Good build quality
- Easy to use and works well
- The handle offers a good grip
CONS
- Some users note it being quite heavy
- The double barrel ferrules come only in 1 size
8 – Coax Cable Compression Crimper Tool Kit – 20 pcs Coaxial Compression Fitting Connector
While not ideal for extensive use, this 3-in-1 crimping tool is an easily portable tool suitable for minor fixes in your home or workplace!
- ✨【Specifications of Rotating Cable Stripper】: Use RG58 / 59/62/6 / 3v2v / 4c / 5c, 2-blade design; fully adjustable and replaceable blades; made of high-impact materials.
- ✨【3 in 1 compression/crimping tool】: Use with RG-6, RG-59, RG-58, BNC, RCA, etc. Suitable for compression connectors of most brands. Compression distance: 20.3mm, the squeeze pliers use high standard crimping die. The pressing is accurate, and the F head is not easily damaged. It guarantees the quality of pressing, and at the same time shows a beautiful pressing appearance.
- ✨【Compressed F connector】: The high-quality connector is designed to provide professional, safe, and waterproof connections for RG6 coaxial cables. All metal structure, anti-corrosion nickel plating. Used indoors/outdoors for airtight weather. Very suitable for a variety of coaxial cable applications, such as antenna, CATV, satellite, CCTV, broadband cable, etc.
- ✨【Serving you】: This compression tool kit is a compact solution for technicians and DIYers to use the highest performance coaxial cable termination tool in the industry.
- ✨【Application】: Whether it is installing satellite TV antennas/CCTV, mobile cable TV and cable modems, or connecting cables to your house, all of these are convenient toolsets you need.
PROS
- Very affordable
- Crimping mechanism functions well
- Good quality
- Compact in size
CONS
- The cable stripper doesn’t work great
- Doesn’t come with instructions
9 – RJ45 Crimping Tool Ethernet Crimper for Cat6 Cat5 Cat5e
It’s a reliable and cost-effective tool for working with ethernet cables. It might take a few attempts to get the hang of it.
- Ethernet and Phone Plugs Compatibility- The RJ45 Crimp Tool is a durable all-in-one tool you can use to trim 8P8C and 6P6C modular connectors, RJ45 Cat6 Cat6a Cat5e Cat5 Connector ends and RJ12 connectors (except AMP). Ideal for terminating custom Ethernet patch cables and telephone cables of…
- Precise Crimping- The professional crimping die-set allows the Ethernet crimping tool precisely crimp pins of the plug, puncture the insulation of the network cable and fixing each twisted wires into the RJ45 connectors, therefore allowing a connection between the copper wire and connector.
- Made from Thickened Cold-rolled Steel-The heavy-duty steel material allows the crimper to features a stable and rugged platform that ensures consistency in connecting and terminating wires,thus ensuring that your trims will always be flush and clean.
- Comes with Replacement Blade-The pass through rj45 crimp tool features a replaceable blade. Thus, you can replace the blade with a new one in case it becomes blunt over time. Besides, the blade is protected with a blade guard for enhanced safety and maintaining its sharpness for a long time.
- RJ45 Cat6 Connector- 20 pieces RJ45 connectors included in the RJ45 crimping tool. Support for cat6 cat5 cat5e 24AWG~26AWG network cables. If there is any problems and question，please contact us directly. We will get back to you soon and provide you with the best solution!
PROS
- Functions well
- Versatile in use as it’s compatible with different ethernet cables
- Durable and long-lasting
- Includes RJ45 connectors
- Good value for money
CONS
- Limited to ethernet cables
- Some complaints about crimping errors
10 – iCrimp Crimper for AWG 8-2 Works for Non-Insulated Terminals
A versatile and affordable crimping tool for a wide range of electrical, wiring, and repair tasks!
- 【General Features】Precision ratchet system makes it stable to hold terminals. Elastomer grips fit comfortably in hand. Durable dies made of chrome-molybdenum steel.
- 【Color Marks】Colored size marks help you to check the size of crimping die even in the environment where is unsufficiently lightly and improve your work efficiency.
- 【Capability】Crimps non-insulated 8 to 2 AWG solderless terminals and connectors for for auto electrical, marine and motorcycle wiring repairs or loom assembly.
- 【All Tests Passed】Continuous durability test 30,000 times. Tensile test. Salt water spraying. Heat aging. Electrical resistance. Vibration fatigue.
- 【Satisfaction】 -iCrimp products are backed by an unmatched reliability and consistency, coming with quality assurance you can trust. If you meet any problems, please do not hesitate to contact us.
PROS
- Great for crimping non-insulated wires
- Versatile in use
- Heavy-duty construction
- Reasonably priced
- Easy and convenient to use
CONS
- Requires some practices to get good crimping results
- Quite bulky
11 – 10 Tons Hydraulic Wire Battery Cable Lug Terminal Crimping Tool – 9 Pairs of Dies
- DURABILITY & SAFETY: Made of durable materials with high strength and good toughness. When the pressure reaches the maximum value, just twist the button, it will release automatically.
- HUMANIZED DESIGN: With this professional crimper, you can crimp wires and butt connectors easily. It is much easier than using a pair of hand crimpers. It provides with more reliable and convenient crimping operations.
- WIDE APPLICATION: It is equipped with 11 sets of the crimping dies and its head can be rotated 180° freely to benefit narrow space working, a good choice for battery and welding cables, power wires, electrical cables, etc.
- SPECIFICATION: Crimps 12 AWG to 2/0 AWG size copper and aluminum wires. Crimping range is from 4 to 70 mm2. Maximum crimping power:10 tons.
- ON-OFF CONTROL: On-Off control for quick operations. The C-style head makes side entry easier to change the dies.
PROS
- Good build quality
- Works well for most applications and wire sizes
- Very easy to handle
- Reasonably priced
- The ergonomic handle provides a good grip
CONS
- Dies can be too big for some applications
- Heavier than manual crimpers
All things considered, key things to look out when picking a wire crimper are ergonomics for comfortable use, material quality for durability, compatibility with your wire and connector types, and safety features to prevent mishaps and ensure reliable connections.
If you are a pro (or becoming one!), you also know you will likely end up with a few different wire crimpers to help you carry out different jobs. If you have a question, drop me a q below and I’ll get to you with my own personal preferences!
Thanks for staying tuned! At Electrician Tools Reviews we select the best electrical gear to help you be safe and comfortable at the job, but also to help you excel at this great trade.
Diclaimer: Electrical work requires professional tradespeople to be carried out. All products here are recommended based on research, and chosen from 18 years of experience as a fully licensed electrician in Chile New Zealand. You are responsible for your safety, we are just here to help!)
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