Acrow AK4-045EXT Extension – 45 mm 3203-8A Easy to use and adjust

Easy to use and adjust inside groove caliper to measure the diameter of grooves inside small bores

accurate measurement of 45° chamfer dimensions

making it ideal for professional and industrial use

✔ Compact Design & Versatility – The 1/4" shank diameter ensures compatibility with a wide range of rotary tools

HSS Strength and Durability – Long service life even in challenging conditions

Acrow AK4-045EXT Extension – 45 mm 3203-8A Easy to use and adjustAcrow AK4 045EXT Extension 45 mm The Acrow AK4 045EXT is a precision engineered extension designed to extend boring head reach while maintaining excellent rigidity and alignment accuracy. Constructed from hardened alloy steel and precision ground, this extension provides superior strength, balance, and vibration resistance during high speed machining. It is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, enabling