3M TR-490 Crimp Tool Crimp Tool for Uninsulated Terminals, Insulated Terminals

RS Stock No.:: 837-7428
Mfr. Part No.:: TR-490
Brand:: 3M

3M TR-490 Crimp Tool Crimp Tool for Uninsulated Terminals, Insulated Terminals

View all Crimp Tools

Subtotal (1 unit)*

£350.41

(exc. VAT)

£420.49

(inc. VAT)

FREE delivery for orders over £50.00

Stocked by manufacturer

Ready to ship from 08 April 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£350.41

*price indicative

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RS Stock No.:: 837-7428
Mfr. Part No.:: TR-490
Brand:: 3M

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	3M
	Product Type	Crimp Tool
	Sub Type	Crimp Tool
	For Use With	Uninsulated Terminals, Insulated Terminals
	Handle Type	Plastic Hand Grip
	Series	TR-490
	Overall Length	11.5in
	Adjustable Ratchet	Yes
	Standards/Approvals	UL Listed, CSA certified
	Minimum Wire Size AWG	22
	Maximum Wire Size AWG	10

	Select all
	Brand 3M
	Product Type Crimp Tool
	Sub Type Crimp Tool
	For Use With Uninsulated Terminals, Insulated Terminals
	Handle Type Plastic Hand Grip
	Series TR-490
	Overall Length 11.5in
	Adjustable Ratchet Yes
	Standards/Approvals UL Listed, CSA certified
	Minimum Wire Size AWG 22
	Maximum Wire Size AWG 10

Datasheet

RoHS Status: Not Applicable

COO (Country of Origin):: US

3M Crimping Tool, Colour-Coded Dies, 22 to 10AWG Wire Range - TR-490

Need a hand joining cables to connectors? Choose this 3M crimping tool. It's made of hardened, corrosion-resistant steel, so it's your trusty sidekick even in harsh environmental conditions. The device comes with a bright red plastic handle that's not only easy to spot in a crowded toolbox, but also offers a firm, comfortable grip. Thanks to its positive ratchet action, it won't let go until you get a complete crimp, giving you a reliable connection.

• Colour-coded dies for precise cable terminal location

• Can be used for cable sizes from 22 to 10AWG for versatility

• Ratchet release lever makes removing misplaced terminals easy

Applications

• Computer networking

• Electrical workshops

• Office wiring

Can I undo a crimp?

It's very difficult to undo a crimp, and re-crimped cable ends rarely offer a reliable connection. Your best bet is to cut the wire and make a new crimp.

3M Crimp Tools for Scotchlok Range

3M range of crimp tools for use with the Scotchlok™ range of crimp terminals.

The Scotchlok™ series has been designed as a premium line of terminals and offers a wide variety of insulation types such as heat shrink, nylon, vinyl and non-insulated. They also come with various barrel styles to choose from such as butted, brazed, seamless and interlocking. The offer effective and reliable performance and have been designed for easy instillation.