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A three flatted shank allows for a secure grip with this 5/8 inch reduced shank silver & Deming high speed steel drill bit. Applications for this drill bit include creating large holes, performing heavy duty metal drilling and more.
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Irwin 91140 Description
A three flatted shank allows for a secure grip with this 5/8 inch reduced shank silver & Deming high speed steel drill bit. Applications for this drill bit include creating large holes, performing heavy duty metal drilling and more.
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Ships between 01/12/2026 - 01/14/2026
Product Specifications
| Part Number | 91140, 585-91140 |
| Made in USA | YES |
| Weight | 0.35-lb |
| UPC | 024721911407 |
Manufacturer Description
5/8" HSS Drill Bits 1/2" Reduced Shank Silver & Deming

Ships between 01/12/2026 - 01/14/2026
Similar Drill Bit Products
Irwin 91140 Description
A three flatted shank allows for a secure grip with this 5/8 inch reduced shank silver & Deming high speed steel drill bit. Applications for this drill bit include creating large holes, performing heavy duty metal drilling and more.
Product Specifications
| Part Number | 91140, 585-91140 |
| Made in USA | YES |
| Weight | 0.35-lb |
| UPC | 024721911407 |
Manufacturer Description
5/8" HSS Drill Bits 1/2" Reduced Shank Silver & Deming
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