Special bushes are used for awkward workpiece. A drill bush is shaped to prevent drill run due to the sloping workpiece face.
Order Example: Product specification with diagram print.Sometimes the centre of the drilled holes is placed so close to each other that it is impossible to provide any drill bushes in the jig plate. Under such circumstances, a combined plate-type of bush is used. The plate bush is made of Tool Steel. Several bushes can be combined into a single plate bush. The plate bush is screwed and dowelled to the jig plate.
Order Example: Product specification with diagram print.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 HM-18-20-11.00MM(Metric)
