Carmex Thread Mills Solid Carbide - For Aluminium - UN (UNC UNF UNEF UNS) - 5/16 x 18 - UnCoated Centre Drill this gauge supports tight tolerance

this gauge supports tight tolerance control across cylindrical parts

while the straight shank ensures solid seating in compatible holders

DIN 212-B tolerance: Delivers a precise bore size with a ±0

and hobbyists who demand predictable performance on every job

Ball nose with tapered

Carmex Thread Mills Solid Carbide - For Aluminium - UN (UNC UNF UNEF UNS) - 5/16 x 18 - UnCoated Centre Drill this gauge supports tight toleranceCarmex AMT solid carbide thread mills are purpose built for high speed aluminum threading, delivering precise UNC UNF UNEF UNS threads with clean, consistent results. Sized at 5 16" diameter with 18 TPI, this uncoated tool is ideal for shops seeking reliable, repeatable aluminum thread production. Thread size & standards: 5 16" diameter, 18 TPI, compatible with UNC UNF UNEF UNS aluminum threads for versatile applications. Material & construction: