MABUARN ER Spring Collet ER11 ER16 ER20 ER25 Set with Plastic Case for CNC Lathe Engraving and Milling Tool Workholding Chuck (ER20 15PCS)

Material: The ER spring collet set is made of high quality 65Mn spring steel with high wear resistance and durable characteristic. High performance: The run-out tolerance of AA type is less than 0.0003", the standard type is less than 0.0006". Application: It's suitable for CNC, engraving machines and other equipment. Used in milling, boring, drilling, wire tapping and other operations, Gripping range: --ER11 10PCS (1/16", 5/64", 3/32", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32"); --ER16 13PCS (1/16", 5/64", 3/32", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 3/8", 13/32"); --ER20 15PCS (1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32". 5/16", 3/8", 13/32", 7/16", 15/32", 1/2"); --ER25 20PCS (1/16", 5/64", 3/32", 7/64", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 9/16", 5/8", 3/4"). Package: ER11: 10pcs of collets with a strong plastic case; ER16: 13pcs of collets with a strong plastic case; ER20: 15pcs of collets with a strong plastic case; ER25: 20pcs of collets with a strong plastic case.