KM.RB500 locking bolts without locking lock with hexagonal collar and knurled knob M8, M10, M12 - simple design sizes: M8 x 1.0 mm, M10 x 1.0 mm, M12 x 1.5 mm, material: galvanised steel, application: locking bolts in the basic design for quick and easy positioning in perforated rails. and various pieces. The locking and unlocking is done by hand by pulling up the plastic button. Material -------------- Locking pin: hardened stainless steel and chemically nickel-plated threaded sleeve: .......galvanised steel, blue nickel-plated, knurled button: polyamide black, thread drive: hexagon socket, thread shape: fine thread, locking lock: without RoHS compliant: yes