Used for drilling and reaming
Made of high quality Alloy tool steel 40Gr which is forged and has longer life, not Aluminum. Precision ground and hardened
High quality 10.9 grade galvanized screws which have 1 time longer life than others
Center bolt thread : M10x1
Height adjustment screw allows to accommodate various center height of different lathe chuck
Manufactured by an ISO 9001 certified manufacturer and come with an unique quality tracking number which can be tracked by the user