Punching tool accessories Traction bolt Tension screws as accessories for the hole-punch tools. Variably available with or without ball bearing. Traction bolt Hydraulic tension screw for elevated loads Accessories for hole punches. Required as a connecting part between the die and the stamp. For operation with a hydraulic punch. Show products Traction bolt Traction bolt with ball bearing Accessories for hole punches. Required as a connecting part between the die and the stamp. Show products Traction bolt Hydraulic tension screw Accessories for hole punches. Required as a connecting part between the die and the stamp. For operation with a hydraulic punch. Show products