OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1.1/4 x 12 ISO Insert - SC Style and the spiral flute with

and the spiral flute with right-hand cutting balances material removal and surface finish for reliable performance across precision reaming operations

It helps you confirm that a hole is tapped to the correct UNC/UNF/UNEF specification

helping extend tool life and maintain dimensional accuracy across multiple holes

ensuring reliable measurement results and compatibility with fixtures and gauges

Repairs: restore damaged internal threads in jigs

OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1.1/4 x 12 ISO Insert - SC Style and the spiral flute withThe OSG UNF Spiral Flute Threading Tap is a precision tool designed for machinists who need reliable, fine pitch threads in blind holes. Crafted for durability and consistent performance, it combines advanced materials and coating to deliver superior results in demanding applications. Thread format: 1 1 4" x 12 UNF (Unified National Fine) threading for precise, small pitch taps. Material: HSS E cobalt alloy (high speed steel with cobalt) for enhanced