ER20-14 0.005 High Precision Elastic Chuck – Nickel-Plated, Hardened Steel for Exceptional Durability and Precision C16Q-MTFNR16 offering superior heat dissipation and

offering superior heat dissipation and structural rigidity

Surface Ra is consistently low

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"Excellent black oxide finish that prevents chip-welding

ER20-14 0.005 High Precision Elastic Chuck – Nickel-Plated, Hardened Steel for Exceptional Durability and Precision C16Q-MTFNR16 offering superior heat dissipation andSpecifications: Designation: ER20 14(0. 005 0. 008) AAA grade high precision elastic chuck ER20, ER collet lock Diameter : 21mm Height : 31. 5mm With nut : ER20A Package Includes: A Chuck (not include With nut) Features: Mn manganese titanium hardened steel is made with precision, hardened, shock resistant and durable Good hardenability, can withstand multiple impacts, strong and durable, long life The hollow knife groove of the collet is ground The