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The IRWIN 91137 is a 37/64 Hanson 1/2 Sh S&D drill bit. It is made from M-7 high speed steel to provide excellent abrasion resistance for tough drilling tasks. The three-flatted shank design ensures a strong grip in the chuck, reducing slippage during use. This drill bit is particularly effective for creating large holes in applications such as heavy-duty metal drilling, automotive work, body shops, and metal fabrication.
This drill bit is designed for high performance in professional environments, making it a reliable choice for trade professionals.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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