Acrow BT40-AK4-145 – AK Boring Shank Ø39mm, 145mm 105 mm Length) Range: 4-62TPI

Range: 4-62TPI

The E-Z Coil Kit Economy 5/16"-24 X 1

this insert cuts the complete thread profile crest

Trusted brand known for precision and quality in cutting tools

5 x 15 x 150mm

Acrow BT40-AK4-145 – AK Boring Shank Ø39mm, 145mm 105 mm Length) Range: 4-62TPIAcrow BT40 AK4 145 AK Modular Boring Shank (39 mm, 145 mm Length) The Acrow BT40 AK4 145 is a medium length AK Modular Boring Shank designed for use with AK4 boring heads. With a 145 mm gauge length and 39 mm body diameter, this arbor offers an excellent balance of rigidity and reach, ensuring precise boring with stable cutting performance. Its precision ground surface and hardened alloy construction deliver high accuracy and long service life.