Insize Setting Standard for Screw Thread Micrometer 64-48TPI Series 3281-SP64 Carmex Mill Thread Solid Carbide 11 UN w/ internal coolant through flutes 28.9mm Stylish Design: The sleek chrome

Stylish Design: The sleek chrome finish adds a modern touch to any sink or countertop setup

Trusted Quality – Manufactured under SOMTA’s world-class tooling standards

general-purpose drill manufactured to ANSI standards

Part No: 1011280

Insize Setting Standard for Screw Thread Micrometer 64-48TPI Series 3281-SP64 Carmex Mill Thread Solid Carbide 11 UN w/ internal coolant through flutes 28.9mm Stylish Design: The sleek chromeThe Insize 3281 SP64 55 Setting Standard is a precision accessory designed for calibrating and setting screw thread micrometers used for measuring Whitworth and other 55 thread forms. Engineered for high accuracy and repeatable calibration, this setting standard ensures reliable thread pitch diameter measurement in workshop, inspection, and manufacturing applications. Designed for use with compatible Insize screw thread micrometers, the 3281 SP64 is