OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 28 ISO Insert - VB Style helping you achieve accurate tool

helping you achieve accurate tool alignment and consistent finishes across production runs and demanding jobs

Solid carbide construction for long tool life: Built from a solid carbide core

it combines practical drawer organization with reliable security

and rigid carbide delivers reliable performance across steel

and stronger overall performance from start to finish

OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 28 ISO Insert - VB Style helping you achieve accurate toolThe OSG UNF Spiral Flute Threading Tap is a precision threading tool designed for blind hole applications, delivering clean, accurate threads in 1 4" x 28 UNF. Built for machinists and fabrication shops, it combines durable materials with a flute geometry that enhances cutting efficiency and reliability. Thread Size and Type: UNF threading, 1 4" diameter with 28 threads per inch for fine pitch, high precision results. Material: HSS E (high speed steel