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About Counterbores
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Create flat-bottomed holes, so your screw heads sit flush, recessed, or slightly raised.
Counterbores for High-Profile Rounded-Head Screws
Cut flat, close-fitting recesses for fillister-head screws. These counterbores cut deeply enough for screws with tall head profiles to sit flush with the surface.
High-Speed Steel
 |
Durable and wear resistant, these counterbores make accurate cuts in most materials without chipping or cracking.
Uncoated | |||||||||
|---|---|---|---|---|---|---|---|---|---|
For Screw Size | Body Dia. | Overall Lg. | Shank Type | No. of Flutes | Pilot Lg. | Each | |||
| No. 12 | 0.372" | 3" | Round | 2 | 0.250" | 2909A21 | 000000 | ||
 Counterbore for High-Profile Rounded-Head Screw, Uncoated High-Speed Steel, for Number 12 Screw Size EachDelivers tomorrow 7-9 am  | |||||||||
