Acrow BT40-AK5-135 Ø50mm Modular Boring Shank Insize Spherical Anvil Tube Micrometer 50-75mm Range Series 3260-75A the Insize 4643-3B1 is ideal

the Insize 4643-3B1 is ideal for workshop and inspection use

Colour: Natural nylon

✔ Versatile Use – Effective for a wide variety of materials

Small End Diameter (d₁): 4

Acrow BT40-AK5-135 Ø50mm Modular Boring Shank Insize Spherical Anvil Tube Micrometer 50-75mm Range Series 3260-75A the Insize 4643-3B1 is idealAcrow BT40 AK2 080 AK Modular Boring Shank (24 mm, 80 mm Length) The Acrow BT40 AK2 080 is a compact AK Modular Boring Shank designed for use with AK2 boring heads. Its 80 mm gauge length provides stability and rigidity for precision boring at short depths. Made from hardened alloy steel and precision ground, this modular shank ensures accurate alignment and consistent performance in high speed machining applications. Specifications: Brand: Acrow