Q-Tech Precision Clampings Supply and resharpning broches in H.S.S. ,M2 ,M-35and M3 class 2 gradesteel.Push and pull type broches can be supplied in lenght upto 1.6 meters long in the following rofile Spline : Internal Hole Keyway streght sided Square with or without chamfer involute Round conllex/ oncaue Serrations Rectangular Hexagonal combined round and single key way etc Trapezoidal Irregular Shapes etc Push/pull types Helical broches upto 700 mm lenght can also be manufactured and supplier