OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 20 Insert while the spiral point geometry

while the spiral point geometry minimizes chip buildup and chatter for smoother

and serious hobbyists who demand reliable deep-hole performance

with reliable performance up to 55 HRc

helping you achieve efficient material removal while maintaining accuracy and reducing vibration

OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 20 Insert while the spiral point geometryThe OSG UNC Spiral Flute Threading Tap is engineered for precise, reliable threading in blind holes. Crafted from cobalt enhanced HSS E and finished with a durable steam oxide coating, its built to handle demanding machining tasks with consistency. Size & Thread: 1 4 20 UNC threading tap designed for standard blind hole applications. Material: HSS E (high speed steel with cobalt) for improved heat resistance and edge retention. Coating: Steam oxide