OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 18 Drive Ring 60 Degree Partial profile is

60 Degree Partial profile is built for precision threading in deep sections

enabling more efficient production without changing tools

When you need a precise internal bore

DIN 8093 / ISO H4 tolerance: Ensures precise bore sizing and dependable interchangeability with mating components

that refers to blanks ready to be machined into the finished reamer for you

OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 18 Drive Ring 60 Degree Partial profile isThe OSG UNC Spiral Flute Threading Tap is a high performance tool designed for precise blind hole threading in metalworking projects. Built for machinists who demand reliability, this tap combines advanced materials and coating to deliver accurate threads and extended tool life. Size Thread: 5 16" 18 UNC threading tap for blind hole applications, optimized for consistent, standard threaded fasteners. Material: HSS E (high speed steel with cobalt) for