Acrow BT40-AK5-185 – AK Boring Shank Ø50mm, 185mm AZ-7166 full-profile threading with precise form

full-profile threading with precise form control and reliable chip management

Parallelism of V-Groove to Top

Part no 2309-50D

and 90° angled fittings in both 1/4"-28 and 1/8"-28 thread sizes

making it suitable for a wide variety of materials including steels

Acrow BT40-AK5-185 – AK Boring Shank Ø50mm, 185mm AZ-7166 full-profile threading with precise formAcrow BT40 AK5 185 The Acrow BT40 AK5 185 is a long reach AK Modular Boring Shank built for use with AK5 boring heads. Designed for large diameter and deep boring operations, it maintains high rigidity over its 185 mm gauge length. Constructed from hardened alloy steel and ground for exceptional precision, this arbor delivers outstanding stability, reduced vibration, and improved cutting consistency. Specifications: Brand: Acrow Type: AK Modular