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JST are maintaining our operations throughout this difficult period. Our objective is to continue to meet your requirements wherever possible with our usual high levels of service and support. See our full statement here.

WC-520-GROUP C_51
WC-550 Hand Tool for SSF/M-21T-P1.4 Crimp Contacts
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WC-550 Hand Crimping Tool

The WC-550 is an ergonomically designed, parallel action handtool, designed specifically to crimp our loose piece SSF/M-21T-P1.4 contact.


  • Fitted with a flap locator to ensure the correct positioning of the contact during crimping
  • Ratchet mechanism for crimp conformation
  • Ergonomically designed soft handles
  • Precision ground dies
  • Safe operation
  • 3 cavities to suit wire sizes 18awg, 20awg and 22awg

Full Technical Drawings

If you require full technical drawings or any other in-depth information about this product series, please contact us using the link below.

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Additional Information

There is no additional information available to download for this product series.