OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 28 Integral Holders repeatable performance in materials below

repeatable performance in materials below 55 HRc

easy organization

everyday use in demanding environments

76 mm is an intermediate precision finishing tool designed to bring holes to a precise

enabling faster cutting and longer tool life

OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 28 Integral Holders repeatable performance in materials belowThe OSG UNF Spiral Flute Threading Tap is a precision tapping tool designed for blind hole work, delivering clean, accurate 1 4 28 UNF threads with every pass. Built for professional machinists, it emphasizes durability and consistent results in challenging materials. Material: HSSE cobalt substrate for superior wear resistance and heat tolerance during deep internal threading. Coating: Steam oxide coating reduces friction and protects against