Acrow BSD Insert Holder Extension – B.BSD31-045 (Ø41–51 mm) Insize Small Hole Bore Gauge 10-18.5mm Range Series 2852-18 Thread Size: ½″ x 13

Thread Size: ½″ x 13 TPI

Maximum Size: 31 mm

040 Oil Thread Full Profile

Hardened and precision-ground for durability and accuracy

Acrow BSD Insert Holder Extension – B.BSD31-045 (Ø41–51 mm) Insize Small Hole Bore Gauge 10-18.5mm Range Series 2852-18 Thread Size: ½″ x 13Acrow BSD Insert Holder Extension B. BSD31 045 The Acrow B. BSD31 045 Insert Holder Extension is a precision engineered extension designed to expand the reach and capability of Acrow BSD31 boring heads. Manufactured from hardened alloy steel and precision ground to tight tolerances, it offers outstanding rigidity, balance, and minimal run out for accurate boring and finishing operations. This model supports both standard and back boring applications,