3mm PAR COUNTERBORE

R308.04

Category: SKU: 1200179602030

Description

Product type:- PAR COUNTERBORE

Material:- Heavy Duty High Speed Steel

Finish:- Bright Silver Finish

Description:- A counterbore is a cylindrical

flat-bottomed hole that enlarges

another coaxial hole,

Use:- used when a fastener, such as a

socket head cap screw, is required

to sit flush with or below the

level of a workpiece’s surface.