... OEM available from us. 1. TCT core drill, 19.05mm universal shank for clamping strength and finish. 2. Applicable to hole ... press, like Alfra, Hougen, Jancy, Euroboor, BDS, Ruko.3. Can be used on various materials, like steel plate, Copper, aluminium, cast ... used to steel structure project, rail way traffic, bridging, shipbuilding, machine manufacture and so on. EquipmentEnterprise cultureCertificate