High Precision NT30-OZ25 M12 Collet Chucks NT Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly NT30 NT40 NT50. Etc. Mold industry, and high-speed engraving machine, used more. 1. Materiel:20CrMnTi 2. Hardness:HRC56-583. Pre-balanceG6.312000rpm, precision balance G 2.5 15000rpm, G 2.5 20000rpm, Products advantages 1. NT Collet Chuck , the unique design of nut: high speed cutting, reduce drag and cutting noise and improve work efficiency, Balance for G2.5 30000rpm. G6.3 12000rpm. 2.NT Collet Chuck, general purpose high speed, high precision machining, cutting effect is good. 3.NT Collet Chuck, surface"environment protection", special coating surface treatment, improve the hardness and endurance of the surface, cleaness better, accuracy stable, surface 4.NT Collet Chuck, higher system accuracy. 5. NT Collet Chuck, higher system stiffness. 6.NT Collet Chuck, better dynamic balance. Our TeLi mainlyinkindsofcollets, kindsoftoolholders, BTtoolholders, CATtoolholders, DATtoolholders, NTtoolholders, HSKtoolholdersseries, boringheadseries, tappingcollets, livecenters