Filter by
System of Measurement
Screw Size
Body Diameter
Pilot Head Diameter
Sold As
Counterbore Type
DFARS Specialty Metals
Export Control Classification Number (ECCN)
Flute Type
For Cutting
Length
Manufacturer
Pilot Type
REACH
RoHS
Tolerance Rating
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Number of Flutes
Pilot Length
Shank Type
Finish
Overall Length
Material
About Counterbores
Create flat-bottomed holes, so your screw heads sit flush, recessed, or slightly raised.
Counterbores for High-Profile Rounded-Head Screws
High-Speed Steel
Uncoated | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | Body Dia. | Overall Lg. | Shank Type | No. of Flutes | Pilot Lg. | Mfr. | Each | |||
| No. 1 | 0.133" | 2 1/2" | Round | 2 | 0.170" | Republic Drill | 2909A23 | 000000 | ||
Counterbore for High-Profile Rounded-Head Screw, Uncoated High-Speed Steel, for Number 1 Screw Size EachIn stock Select a compatible file type: Parasolid | ||||||||||

























