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About Counterbores
Create flat-bottomed holes, so your screw heads sit flush, recessed, or slightly raised.
Counterbores for High-Profile Rounded-Head Screws
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High-Speed Steel
Uncoated | |||||||||
---|---|---|---|---|---|---|---|---|---|
For Screw Size | Body Dia. | Overall Lg. | Shank Type | No. of Flutes | Pilot Lg. | Each | |||
No. 1 | 0.133" | 2 1/2" | Round | 2 | 0.170" | 0000000 | 000000 | ||
![]() Counterbore for High-Profile Rounded-Head Screw, Uncoated High-Speed Steel, for Number 1 Screw Size EachDelivers Tuesday 7-9 am | |||||||||