1/4" Bit Extensions | Chapman MFG

$ 3.55

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Federal Stock # 1 5120-01-110-5905

  • 3 5/8" length extensions are available with or without a set screw.
  • Set screw is adjustable with CMS-3 .050 Allen hex insert bit & enables another extension/bit to be locked in the extension.
  • CME-01 2" extension is not available with a set screw.
  • 6" extensions do not fit inside any of our tool sets, use a wrap to secure to our soft pack sets
  • Chapman extensions are designed to be used with Chapman bits & are not guaranteed to work as a universal tool
  • Check out our stubby screwdriver handles 
  • Made, hand assembled & inspected in Durham, CT from USA materials.
Chapman MFG Precision Screwdriver Bits

• Precision milled to tight tolerances with flat edges, sharp corners & no burrs for snug screw fit
• Machined from USA steel & heat treated with a black oxide rust inhibitor finish
• Bits are engineered to bend/break BEFORE damaging the screw they fit
• Each bit has ear/or ring stops with ball detent to hold the bit securely in our tools
• Bits have knurled ends for finger tightening & are stamped with the part #
• Non-magnetic for use on electronics & PC boards
Tools can be returned/exchanged in new condition within 45 days of receipt of shipment.
• Refunds are issued once the tools arrive to us.
• Shipping & handling charges are non-refundable.
• Contact us for a return authorization #

Domestic orders shipped next business day via USPS.
• International orders ship in 3 business days
• UPS, FedEx, DHL available, please contact us

Tools are guaranteed to be as represented & free of defects caused by defective materials/faulty workmanship.
• To keep open stock part prices reasonable, we can not offer replacement of worn tools that wear out/break
• Tool replacement requires that faulty parts are returned with proof of purchase within 3 years
• Guarantee doesn't cover products that are improperly used/abused/altered



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