Crimping Tools (16)

Crimping Tools: Your Comprehensive Guide to Crimping Pliers

Cable Crimping tools are devices used to join two pieces of metal or other ductile materials by deforming one or both to hold the other. They are widely used in electrical work and networking.

There are several types of crimping tools tailored for specific tasks. Electrical crimping tools are commonly used to secure wires into connectors like spade, ring, or butt connectors. These include manual crimpers for small jobs, ratchet crimpers that ensure consistent pressure, and hydraulic crimpers designed for heavy-duty cables.

Coaxial cable crimpers are used for attaching connectors like F-type, BNC, or RCA to coaxial cables and often come with interchangeable dies. RJ45/RJ11 crimping tools are essential in networking and telephony for attaching Ethernet or telephone connectors and may also feature built-in wire cutters and strippers. Bootlace ferrule crimpers are used to crimp end sleeves onto stranded wires, improving electrical connections in control cabinets and terminal blocks.

For more information regarding product specification and suitability, please click on the links below or contact the helpful sales team at C&W Berry. We also sell a vast range of Cable for domestic and industrial uses in different cores providing armoured, fire and hot and cold temperature protection.

The following brief guide will help to provide further information relating to crimping tools, including their types, functionality, usage recommendations, and tips for optimal performance.

Table of Contents

1. What Types of Crimping Tools Are There?
2. How Do I Choose The Right Crimping Tools?
3. What Are The Common Mistakes When Choosing Crimping Tools?
4. How Should Crimping Tools Be Maintained?
5. Why Should I Use Crimping Tools?

1. What Types of Crimping Tools Are There?

Crimping tools are used to join two pieces of metal or other materials by deforming one or both to hold the other. They are commonly used in electrical, networking, automotive and metalworking applications. Here is a brief summary of the main types of crimping tools:

Manual Crimping Tools:

• Purpose: Are hand operated using physical force and are commonly used on small jobs or field work
• Ratcheting crimpers: For more precise and consistent pressure
• Non-ratcheting crimpers: Are cheaper, faster and less consistent

Hydraulic Crimping Tools: Use hydraulic pressure to apply greater force

• Use: Suitable for large cables and heavy-duty applications
• Powered: Uses a hydraulic pump to generate pressure for crimping electrical connectors
• Benefits: Suitable for large cables and heavy-duty applications

Pneumatic Crimping Tools:

• Purpose: Use compressed air for fast and consistent operation
• Use: Commonly used in industrial assembly
• Benefits: For swift and dependable operation

Electric Crimping Tools:

• Benefits: Portable, efficient and consistent
• Purpose: Used in high-volume or field jobs
• Power: Often battery powered
• Use: Crimping wire terminals and connectors

RJ45/RJ11 Crimping Tools:

• Benefits: Portable, efficient and consistent
• Purpose: For attaching Ethernet or telephone connectors
• Use: Networking and telephony

Bootlace Ferrule Crimpers:

• Purpose: For improving electrical connections in control cabinets and terminal blocks
• Use: Crimp end sleeves onto stranded wires

We have selected a variety of portable sizes and designs that are made from high grade steel with ergonomic handles that offer the ability to bend, strip or crimp a diverse range of insulated wires and terminals.

2. How Do I Choose The Right Crimping Tools?

Choosing the right cable crimping tool from C&W Berry is crucial for ensuring secure and reliable electrical connections. Feel free to ask one of our friendly and knowledgeable team with any questions you may have. Here are some key factors to consider:

• Identify the Connector Type: Different connectors require different tools. Know what you’re crimping e.g. Insulated terminals (e.g., spade, ring terminals), non-insulated terminals, coaxial connectors, modular plugs (RJ45, RJ11), ferrules or battery lugs / heavy-duty lugs
• Match Wire Gauge: Check that the crimping tool supports the SWG (Standard Wire Gauge) or mm² size range of the wire you’re using. Some tools are adjustable for a range whilst others are fixed for specific sizes or types
• Manual vs. Hydraulic vs. Ratchet: Choose the tool type based on volume and force requirements. Manual crimpers are suitable for light, occasional work whilst ratchet crimpers ensure consistent pressure so are ideal for professional use. Hydraulic crimpers are used for heavy-duty lugs and large cables and offer high force with less effort.
• Check for Die Compatibility (for interchangeable die tools): If you're using a tool with interchangeable dies, make sure the die set matches your connector and wire and that the crimper body supports that die size and shape
• Certifications & Standards: For professional or regulated work choose tools that meet ISO standards and use manufacturer-recommended tools if required
• Ergonomics and Build Quality: Look for comfortable grips and durable construction e.g. forged steel and consider the working environment e.g. compact crimpers for tight spaces
• Durability and Maintenance: For DIY and low volume then basic hand crimper might suffice whilst for production and high-volume repetition it is worth investing in ratcheting or pneumatic/hydraulic systems

Choose a crimping tool that matches the specific connector type and wire gauge you are working with, ensuring it meets industry standards for your application e.g. electrical, networking, coaxial. Look for features like ratcheting mechanisms, ergonomic grips and interchangeable dies for better precision, comfort and versatility.

3. What Are The Common Mistakes When Choosing Crimping Tools?

When choosing crimping tools, selecting the wrong one can lead to poor electrical connections, safety issues or damaged components. Here are the most common mistakes to avoid:

1. Using the Wrong Tool for the Connector Type: Using a universal crimper on a specific terminal (e.g. insulated vs. non-insulated, coaxial, RJ45) leads to poor crimps, weak connections, or wire damage, so always match the crimping tool to the exact type and brand of connector you are using
2. Ignoring Wire Gauge Compatibility: Choosing a tool that doesn’t support the wire gauge you are working with will result in loose or crushed connections, so always verify the crimping tool’s supported wire gauge range (SWG or mm²) before use
3. Overlooking the Quality of the Crimper: Buying a cheap, low-quality tool will often result in inconsistent crimps, tool wear, or failure after limited use, so always invest in reputable brands stocked by C&W Berry for reliability and durability
4. Not Using a Ratcheting Mechanism (When Needed): Using non-ratcheting tools on precision or high-volume jobs results in inconsistent pressure and incomplete crimps, so use a ratcheting crimper for consistent results, especially for professional or high-volume tasks
5. Forgetting to Check for Calibration or Wear: Using a worn-out or uncalibrated crimper will result in poor electrical contact or failed connections, so regularly inspect and calibrate tools if required (especially with hydraulic or professional-grade crimpers)
6. Assuming One Tool Does Everything: Using one crimper across multiple applications (e.g., data, coax, automotive) often results in incompatible crimps or damage to terminals, so use specialized tools for specific jobs (e.g. Ethernet, battery cables or ferrules)
7. Not Following Manufacturer’s Instructions: Improper tool setup or technique results in crimps that don’t meet spec or fail under load, so always read and follow both the crimper and terminal manufacturer’s recommendations
8. Not Considering Long-Term Use: Choosing a crimper based solely on short-term needs without thinking about future uses
9. Not Budgeting for Quality: It’s tempting to choose the cheapest option, but cutting corners on quality could result in a crimping tool that doesn’t last long or doesn't perform as expected. Balancing cost with durability and functionality is key

When selecting a crimping tool from C&W Berry, it is important to consider factors such as wire gauge compatibility, ergonomic design, build quality and the availability of interchangeable dies. Use a crimp inspection tool or pull test method to verify the crimp's strength and conductivity, especially in critical applications.

4. How Should Crimping Tools Be Maintained?

Maintaining a crimping tool from C&W Berry properly ensures it remains reliable, safe, and accurate. Here’s a brief summery on how to maintain your crimping tool:

• Clean Regularly: Wipe after each use: Remove dirt, debris and metal shavings using a clean, dry cloth. Deep clean periodically by using a soft brush and mild solvent to clean moving parts and jaws
• Lubricate Moving Parts: Apply a light machine oil or tool lubricant to pivot points and joints to ensure smooth operation, however, avoid over-lubricating as excess oil attracts dirt and debris
• Inspect for Wear and Damage: Check crimping dies and jaws for wear, cracks or deformation and inspect handles and pivot points for looseness or damage and replace any worn or damaged components immediately
• Calibration and Adjustment: If your crimping tool is ratcheted or calibrated, periodically test it using known standards or test crimps, so adjust or recalibrate according to the manufacturer’s specifications
• Store Properly: Store in a dry, clean environment to avoid rust and corrosion and use the protective case if provided, especially for precision tools
• Follow Manufacturer’s Instructions: Always refer to the user manual for specific maintenance instructions, part numbers and approved lubricants or cleaners

Never use a damaged or uncalibrated crimping tool, as it can lead to faulty crimps and electrical failures.

5. Why Should I Use Crimping Tools?

Using a crimping tool from C&W Berry is essential when you need to securely attach a connector to a cable or wire, especially in electrical, networking, or audio/video applications. Here are a few reasons why you should use a crimping tool instead of cheaper alternatives like pliers or twisting by hand:

1. Secure, Reliable Connections: A crimping tool applies even, calibrated pressure ensuring a solid mechanical and electrical bond. This minimizes the risk of loose connections, shorts or electrical resistance
2. Maintains Signal Integrity: In networking or audio setups a poorly crimped connector can degrade signal quality. Proper crimping ensures minimal signal loss and interference
3. Prevents Overheating & Fire Risks: Bad connections generate heat. A correctly crimped wire has low resistance, reducing the risk of overheating and potential fire hazards
4. Designed for the Job: Crimping tools are designed for specific terminals (like RJ45, RJ11, coaxial, or ferrules) meaning they fit precisely and consistently. This makes them much more efficient than makeshift tools
5. Saves Time and Effort: A proper crimping tool allows you to do the job faster and more easily, especially when working with multiple connections
6. Ensures Compliance with Standards: For professional installations (electrical, automotive, or networking), proper crimping ensures compliance with safety and quality standards

It is important to use a crimping tool from C&W Berry when you want safe, durable and professional-quality connections and remember it is a small investment that will pay off in reliability and performance.

For further technical information relating to our range of crimping tools, please telephone our main sales line on  01772 431 216 or email [email protected].