Acrow BSD Insert Holder Extension – B.BSD39-100 (Ø61–74 mm) ER40 Milling Chuck Arbor Collet Nut with C spanner repeatable measurements across a wide

repeatable measurements across a wide range of applications

and performance for a wide range of industrial applications

✔ High-Speed Steel Construction – Provides excellent strength

PM Chipbreaker)

eg =  DER 1212 H16 would refer to a ER insert style

Acrow BSD Insert Holder Extension – B.BSD39-100 (Ø61–74 mm) ER40 Milling Chuck Arbor Collet Nut with C spanner repeatable measurements across a wideAcrow BSD Insert Holder Extension B. BSD39 100 The Acrow B. BSD39 100 Insert Holder Extension is a precision engineered accessory developed to extend the boring capacity of Acrow BSD39 boring heads. Manufactured from hardened alloy steel and precision ground to exacting tolerances, it ensures superior rigidity, balance, and accuracy for deep boring and finishing applications. The B. BSD39 100 is ideal for both standard and back boring operations,