Description
Acrow BT50 ER25 Collet Chuck Holder – 150 mm Carmex Internal Right Hand ACME Thread Turning Insert 22 mm 6 TPI 22 IR 6 ACME BMA Key Advantage: Excellent stability and The Haron 63W plastic 3227 12 Acrow B.BSD.HD6.64 – Heavy Duty Insert Holder for BSD64 Fine Boring Heads Key Advantage: Excellent stability and accuracy in full form internal threading ✔ Spring Loaded Mechanism – Compresses as drilling progresses to reduce resistance and maintain smooth