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Torque and hardness meets or exceed ANSI standards
Hot-riveted joint ensures smooth action and no handle wobble
Great for deck framing and stairway building
Ideal bits to use with templates for setting butt hinges
Tungsten carbide tip for durability in concrete and brick
Irwin Speedbor 3041020 Auger Boring Bit, 1-3/8 in Dia, 6 in OAL, Tapered Flute, 3-Flute, 3/8 in Dia Shank, Hex Shank paint--05-29-26 Torque and hardness meets orThe 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. Three
