

Irwin 1877720 Countersink Drill Bit, Specifications: 1/4 in Shank, HSS, Includes: 1/2, 5/8 and 3/4 in Countersink
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Precision ground 82 deg tip for countersinking most machinable metals, wood or plastic. HSS with black oxide coating for corrosion-resistance. Five-flute design reduces chatter for smoother drilling and extended life. Set includes one 1/2 in, one 5/8 in and one 3/4 in countersink.
| Finish | : | Black Oxide |
| Includes | : | 1/2 in, 5/8 in and 3/4 in Countersink and Clam |
| Material | : | HSS |
| Specifications | : | 1/4 in Shank |