Acrow BSD Insert Holder Extension – B.BSD31-045 (Ø41–51 mm) Insize Small Hole Bore Gauge 10-18.5mm Range Series 2852-18 Hardened and precision-ground for durability

Hardened and precision-ground for durability and accuracy

- 16mm diameter ideal for creating precise pilot holes

Thread Size: ½″ x 13 TPI

INSIZE levels and protractors are the perfect instruments for leveling out components

Acrow BSD Insert Holder Extension – B.BSD31-045 (Ø41–51 mm) Insize Small Hole Bore Gauge 10-18.5mm Range Series 2852-18 Hardened and precision-ground for durabilityAcrow 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,