... .Various shank versions 3.dia. 12-65mm 1. HSS hole cutter, with more stable clamping for stable cutting and finish of ... , like steel plate, Copper, aluminium, cast iron, stainless steel and plastic. 5. The specifications from the Φ12mm to Φ65mm, depth of ... project, railway traffic, bridging, shipbuilding, machine manufacture, aviation and spaceflight. plastic box inside, carton outside