Headed Bush
Headed bush are used to control hole depth. The collar of the bush provides positive stop against the jig plate. The collar also prevents axial movement of the bush with the drill. The bush is either placed close to the workpiece or far enough away from the workpiece to permit swarf to escape between it and the workpiece. Headed drill bushes are provided with seating of the bush in the hole in the drill plate and undercutting the head of the bush. A lead is provided for easy entry of the bush in the drill plate
Order Example:
H-40-8-3/8
