Acrow AK1-020EXT Extension – 20 mm Caliper Accessory_Setting Block HSS-Co8e Construction – Provides superior

HSS-Co8e Construction – Provides superior hot hardness and wear resistance for extended tool life

The SOMTA 5011203 – M12 x 1

135° split point: Lower thrust

Mill-Thread Solid Carbide – 18 UN

Carbide measuring faces for excellent wear resistance and long service life

Acrow AK1-020EXT Extension – 20 mm Caliper Accessory_Setting Block HSS-Co8e Construction – Provides superiorAcrow AK1 020EXT Extension 20 mm The Acrow AK1 020EXT is a precision engineered extension designed to increase boring head reach while maintaining concentricity and rigidity during deep bore machining. Manufactured from high grade hardened alloy steel, this extension delivers maximum strength, balance, and accuracy under high speed cutting conditions. It is fully compatible with Acrow BSD Series Boring Heads and other standard modular boring systems,