Collet Chuck Holder, 1~13mm ER20 Collet Clamping Range Steel Metal Straight Milling Chuck Holder CNC Milling Lathe Tool Holder

[SUITABLE FOR VARIOUS MACHINERY] Suitable for drilling machines, milling machines, lathes, and small machine tools, etc. [HIGH-QUALITY MATERIAL] Made of high-quality 40# steel with high hardness and strength, preventing cracking. [HARDENING TREATMENT] Hardened for increased hardness, excellent texture, and durability. [COST-EFFICIENT DESIGN] Reduces the need for extension tools, saving costs and improving efficiency. [PRECISE AND RELIABLE] Accuracy manufacturing ensures high reliability and stability for optimal performance.