Acrow BSD Insert Holder Extension – B.BSD19-050 (Ø30–36 mm) 100 Piece Metric Keyway and 164 Piece Woodruff Keys Grab Kit Assortment this sleeve allows for the

this sleeve allows for the reduction from MT4 to MT2 taper shanks

The Insize 4131-5C1 is designed for gauging 5/8-11UNC threads

Key Advantage: High-performance threading with long tool life and excellent dimensional control

Comprehensive Selection: Includes 108 pieces of straight quick-connect fittings

Precision-Ground Flutes: Promotes smooth chip flow and accurate hole sizing

Acrow BSD Insert Holder Extension – B.BSD19-050 (Ø30–36 mm) 100 Piece Metric Keyway and 164 Piece Woodruff Keys Grab Kit Assortment this sleeve allows for theAcrow BSD Insert Holder Extension B. BSD19 050 The Acrow B. BSD19 050 Insert Holder Extension is a precision engineered accessory designed to extend the boring range of Acrow BSD19 boring heads. Constructed from high grade hardened alloy steel and precision ground, it ensures superior rigidity, balance, and alignment during high accuracy boring operations. This model is ideal for applications requiring extended boring depth or back boring capability