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The 30 I 12 UN MT7 Mill-Thread Insert is specifically engineered for internal threading of Unified National (UN) profiles on CNC milling machines using helical interpolation
improved hole centring
Extended Tool Life – HSS-PM substrate with PVD FeN coating provides durability and wear resistance
Part No: 11059001364
Remove the Tang: Use the breaking pin tool to remove the tang from the insert
Acrow BT40-AK1-120 – AK Boring Shank Ø19mm, 120mm Ø23.5–31.5 mm Drill Range) The 30 I 12 UNAcrow BT40 AK1 120 AK Modular Boring Shank (19 mm, 120 mm Length) The Acrow BT40 AK1 120 is a medium length AK Modular Boring Shank designed for use with AK1 boring heads. With a 120 mm gauge length, it offers a balanced combination of reach and rigidity. Crafted from premium hardened alloy steel and precision ground for maximum accuracy, it delivers consistent cutting performance and excellent concentricity in moderate depth boring operations.
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