RotoStop Rotating Stop Collar For Countersink Drill Bits SN01-02 very coarse coating applied by

very coarse coating applied by fellow craftsmen

very flexible and crush resistant helix acts as a wear-strip

Rip TPI: 7

You'll create accurate cutting angles and straight edges in a fraction of the time it now takes and your tools will be easier and safer to work with

RotoStop Rotating Stop Collar For Countersink Drill Bits SN01-02 very coarse coating applied byRotating stop collar uses a low friction bearing in a large diameter ring to control the countersink depth of Snappy Gold Screw Countersinks. The inside of the rotating stop collar continues to spin with the countersink to prevent burning or marring the workpiece. Countersink bit is not included. Features: Rotating stop collar will not burn or mar the workpiece Works with Snappy Gold Screw Countersinks with twist bits Attaches via longer twist bit