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IRWIN 88813 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN 88814 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN 88815 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN 88816 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN 87908 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN 87910 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN 87916 Spade Drill Bit, Flat Flute, Hex Shank, 1/4 in Dia Shank
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
IRWIN SPEEDBOR 3041004 Auger Bit Wood Boring Bit, Tapered Flute, 2-3/8 in L
The IRWIN SPEEDBOR? MAX SPEED? wood drilling bit is the fastest SPEEDBOR? ever. The speed tip features a full screw point that allows bit to self-feed, as well as three cutting spurs for faster, cleaner holes, less breakout and extended drilling life. The tapered tri-flute design allows for faster chip ejection and less binding. Its grooved hex shank prevents slipping and fits all standard 1/4 in quick-change chucks, including impact drills.
