All the above materials are composed of alloy steel.
The Gripper is according to the global standard of Pull Stud JIS6399 (MAS403) system.
The surfaces of Grippers are wear-resisting, anticorrosive and special tensile force treatment. The tensile force can hold 1,000 KG force which means 3 million times of lifetime testing circle in our each Grippers. (**ie. BT40)
Easy to assemble and suitable for every type of spindles.
Ours Grippers adopt the rules of OTT and Röhm standards.