Skip to content
SIBO Tools

Table of Contents

How to Utilize a Manual Crimp Tool: Ultimate Guide to Successful Operation

Whether doing electrical wiring,  or fastening metals together, a hand crimping tool has many applications. A crimper can connect wires to connectors or clasp two materials together through compression, creating a mechanical connection of great strength.

This article will describe how to use a crimper correctly and provide additional suggestions on how to generate ease in achieving your work trying to accomplish using your manual crimp tool.

What is a Hand Crimps Tool? – Definition

A crimper is simply a tool designed for applying pressure to properly compress an electrical component of some type; such as connectors, lugs, and/or cable ends and to attach the cable to that electrical component properly by putting the necessary amount of compression between both parts, without damaging either part.

How to Properly Use a Hand Crimp Tool-Step-By-Step Instructions

Step 1 – Choosing the Right Tool

Choose a crimping tool based on the project you are going to complete. For example, there are manual hand crimpers available for small projects and other types of crimpers that are much heavier duty (more advanced models). Before starting your project, be sure that the crimping tool you choose can accommodate the size of the wire (i.e. Gauge) and/or connector size that you plan to use for your project.

Step 2 – Preparation of Materials

Using a wire stripper will allow you to strip away just enough insulation off of your wire so that there will be enough copper exposed in order for your connector to fit inside of it. Don’t overstrip, or you expose too much wire and create a bad/unsafe connection.

Step 3 – Insert the Wire into the Connector

Insert wire into connector (terminal) – ensure it is fully inserted and secure. A proper connection will ensure no issues during crimping.

Step 4 – Use the Correct Slot Size on the Crimping Tool

Open the tool and position the connector in the proper slot. Use the sizes in the tool to match against the size of the wire and connector.

Step 5 – Apply Pressure Evenly

Squeeze the tool with even pressure on both handles until the connection is crimped properly. Crimp the connector to wire tightly without crushing or damaging it. Some tools have a ratchet-type mechanism to supply the proper amount of pressure during each squeeze.

Step 6 – Inspect the Crimp

After crimping, check the tightness of the connection by tugging very lightly on the wire. If it doesn’t pull out easily, you’re good! A good connection is represented by a crimp that is snug and smooth, while a crimp that is uneven or loose may need to be redone.

Best Practices for Using Hand Crimping Tools

  • Use the Right Die Size: Using dies and wire sizes that do not match may result in weak connections.
  • Perform Regular Maintenance on the Tool: Ensure that you keep the crimping tool clean and in a dry location so that it does not rust or become worn.
  • Practice on Scrap Materials: Before crimping your actual wires, practice crimping spare connectors to develop your crimping technique.
  • Follow Safety Protocols: Wear safety glasses and always use caution when working with connectors and wires to avoid potential accidents.

FAQs About Hand Crimping Tools

What Are Hand Crimpers Used For?

Hand crimpers are commonly used to attach (secure) terminals, lugs, and connectors to wires, helping to produce and form a reliable electrical connection. They are also utilized when making coaxial and/or Ethernet cables, making jewelry and other metal accessories, as well as in specialty crimping applications such as plumbing and automotive.

How Do I Identify the Appropriate Hand Crimping Tool for My Needs?

Your project’s requirements will define your crimping tool selection. Examples include, but are not limited to, applying the type/size of wire and connector, tool durability, and ease of use of the tool. Check the manufacturer’s specifications for your tool and check compatibility with your wire type before using it.

Can I Use Pliers Instead of a Hand Crimper?

Pliers may work in some situations; however, pliers do not provide the correct amount of pressure or uniform crimping necessary for secure connections. If you want a safe, dependable, and long-lasting result, then it is always best to use a hand crimping tool specifically designed for crimping tasks.

What is the Difference Between Manual and Hydraulic Hand Crimping Tools?

A manual hand crimper relies solely on the user’s strength to create the crimp. The best applications for a manual hand crimper would be smaller or infrequently used crimping jobs. A hydraulic crimper uses hydraulic force to create the crimp, making this tool the most effective choice for larger wires and heavy-duty applications.

Common Mistakes When Using a Hand Crimping Tool

  • Using connectors that are too large or too small for your wire.
  • Over-crimping or under-crimping will result in either a weak connection or brittle connection.
  • Not inspecting the crimp visually after the crimp has been applied.
  • Not keeping your hand crimping tool in needlessly used or poorly maintained condition, thereby causing unnecessary loss of performance from your tool.

By avoiding these common mistakes and following the best practices outlined above, you will be able to achieve successful and durable crimping results on your project.

Where to Buy the Best Hand Crimping Tools

When looking for a hand crimping tool to purchase, choose a brand with a good reputation. Consider price, durability, and versatility when making your selection. You can find many types of hand crimping tools in various price ranges and with many user reviews at Amazon and through specialty tool retailers. Search for tools compatible with a wide range of wire sizes and tools that have received positive feedback from customers.

If you require professional-grade or industrial-level crimping tools, you can find them available through several manufacturers such as Klein Tools, Greenlee, and IWISS.

Conclusion

The ability to properly and consistently use a hand crimping tool is an important skill for both hobbyist and professional tradespeople. By following this guide step-by-step; selecting the right crimping tool for your needs; and making sure you follow the best practices as mentioned above; applying crimped connections will ensure that you receive consistent and secure crimping results each time. If you take care of the crimping tool, it will serve you well for a long period of time for all of your crimping requirements from electrical to artistic projects.