4Pcs Collet Chuck, BT30-ER16 Collet Chuck Set 2.76" Gage Length 0.0001" TIR Tool Holder for Clamping CNC Mill Drill Lathe

【Type】BT30-ER16 collet chuck 【Tir】0.0001 inch 【Projection Length】2.76 inch 【Function】BT30-ER16 collet chuck has good centering function and is mainly used for clamping straight shank cutter 【Application】BT30-ER16 collet chuck is suitable for clamping end mills, drills, taps, reamers, center drills and other cutting tools