Irwin® Cobalt High Speed Steel Drill Bits, 1/4"
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$16.99
$43.99
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- Type: Series 3016/631, jobber length
- Bit diameter: 1/4 in
- Shank type: Straight
- Flute length: 1 3/8 in
- Overall length: 2 1/2 in
- Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals
- Produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
- 135 deg split point reduces feed pressure for easier penetration without working hard
- Applicable materials: Hard steel, stainless steel and titanium