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CNC Tool Holders (BT/SK/CAT/NT/HSK/ISO)

Zhenghao Machinery manufactures a comprehensive range of CNC tool holders covering all major international standards: BT (JIS), SK (DIN), CAT (ANSI), NT (ISO), and HSK taper systems. Our tool holder types include ER collet chucks, tapping tool holders (WF and GT telescopic series), weldon/side lock holders (SLN/SLA), shell mill holders, and face mill arbors. Each tool holder is precision machined from 20CrMnTi alloy steel, carburized and hardened to HRC 58-62, with taper accuracy conforming to AT3 grade. Monthly production capacity exceeds 50,000 pieces, serving OEM brands and distributors worldwide.