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Replacement Pilot Bit, 1/4 x 3-1/2-Inch
31907 - spec sheet
Warnings
- Never use on or near live electrical circuits.
- Read and follow safety instructions in power tool owners manual.
- Always wear approved eye protection.
Features
- For use with Klein arbors (Cat. Nos. 31905 and 31906)
- Optimized teeth pattern, Tri-lobe Shank, 118° Split-point Design
- Tri-lobe shank prevents slipping
- Tempered high-speed steel
- 118-degree split-point design
- Optimized teeth pattern for fast, consistent cutting of steel
31907 - spec sheet
Manufacturer Resources
Spec Sheet
Product Specs
- Item Depth:
- 5.6250 in
- Item Height:
- 0.1800 in
- Item Weight:
- 0.0200 lbs
- Item Width:
- 1.7280 in
- Department:
- Electrical
- Product Group:
- Hand Tools
- Product Subgroup:
- Screwdrivers & Drivers
- Product Type:
- Replacement Bit
- Product Size:
- 1/4" x 3-1/2" (0.6 x 8.9 cm)
- Product Details:
- Replacement Bit
- Product Weight:
- 0.32 oz (9.1 g)
Klein Tools 31907 – Frequently Asked Questions
1) What arbors does the Klein Tools 31907 pilot bit fit?
The 31907 pilot bit is made for Klein arbors, catalog numbers 31905 and 31906. It drops into those arbors as the center pilot when you are cutting holes in steel. If you are running a different brand of hole cutter arbor, this is not the pilot to order.
2) Will a Klein pilot bit cut through steel electrical boxes and enclosures?
Yes. The 31907 is tempered high-speed steel with an optimized teeth pattern for fast, consistent cutting of steel, and a 118 degree split point so it starts on contact instead of walking across the surface.
3) Why does my pilot bit keep spinning in the chuck, and does this one fix that?
Slipping usually means a round shank is turning under load. The 31907 uses a tri-lobe shank, which grips the three chuck jaws and prevents slipping. Pair it with the Klein 31905 or 31906 arbor it was built for.
4) Do I need to replace the whole Klein hole cutter arbor when the pilot bit dulls or snaps?
No. The 31907 is sold as a replacement pilot bit on its own, so a dull or broken pilot in a Klein 31905 or 31906 arbor is a bit swap, not a new arbor. Handy for MRO stock where crews are cutting steel boxes regularly.
5) Can I use the Klein 31907 pilot bit on energized panels?
No. Klein's instruction is never to use it on or near live electrical circuits. De-energize first, follow the safety instructions in your power tool's manual, and wear approved eye protection. This is a drilling bit, not an insulated tool.
How fast can I get the Klein Tools 31907 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools 31907 come with a warranty?
Absolutely. The Klein Tools 31907 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Klein Tools 31907?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools 31907 from ZenSupply?
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and
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