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Product Review
- 3/32", 7/64" and 1/8" pilot with 3/8" counterbore; 9/64" pilot with 1/2" counterbore
- Each countersink tool includes replaceable HSS twist drill for drilling pilot hole
- Includes precision milled 3" long driver bit with hardened #2 Square Drive Insert
- Compatible with Centrotec chuck for extremely close axial alignment of bit and output shaft of drill
- Reduced run-out and maximum torque transfer between drill and bit
