Acrow BSD Insert Holder Extension – B.BSD31-090 (Ø50–60 mm) SOMTA - Series 541 HSS UNC Tap 1-1/4" Intermediate 5D insert height (1

5D insert height (1

and ease of use

providing smooth chip control

ensuring versatility

solid carbide and spiral mill-thread tools

Acrow BSD Insert Holder Extension – B.BSD31-090 (Ø50–60 mm) SOMTA - Series 541 HSS UNC Tap 1-1/4" Intermediate 5D insert height (1Acrow BSD Insert Holder Extension B. BSD31 090 The Acrow B. BSD31 090 Insert Holder Extension is a high precision component engineered to extend the working range of Acrow BSD31 boring heads. Made from hardened alloy steel and precision ground to exact tolerances, it delivers excellent rigidity, balance, and concentricity during deep boring and finishing operations. This model allows both forward and back boring, providing maximum flexibility for