Carmex Threading Tap - Spiral Point - UNC Supercut Tap - HSS-E - 5/16 x 18 ER Collet Chucks and hobbyists who demand dependable

and hobbyists who demand dependable results across hardened steels and alloys

10 mm diameter with D = 0 + 0

Extended tool life in cast iron: Wear-resistant carbide substrate and optimized edge geometry minimize wear

it helps shops reduce tool changes and keep production moving with confidence

this reamer delivers consistent hole sizes and a superior finished bore

Carmex Threading Tap - Spiral Point - UNC Supercut Tap - HSS-E - 5/16 x 18 ER Collet Chucks and hobbyists who demand dependableThe Carmex Threading Tap with Spiral Point for UNC is a precision tool designed for machinists and fabrication professionals who need fast, clean Unified National Coarse threads. Built for demanding materials and high speed tapping, it delivers reliable performance from the first cut. Size & Thread: 5 16" diameter, 18 TPI UNC (Unified National Coarse) for standard coarse thread applications. Material: HSS E (high speed steel with cobalt) for