OSG Threading Tap - UNC Spiral Point HSS-E - Steam Oxide Coated - Through Hole - No. 4 x 40 Face Mill Arbors - Anti-Vibration predictable reaming and a cleaner

predictable reaming and a cleaner finish

25 mm diameter is suitable for a wide range of applications

18 mm jobber drill delivers enduring performance and longevity for everyday tasks in stainless steels

enabling confident go/no-go checks and faster quality control

a taper shank for secure seating in compatible toolholders

OSG Threading Tap - UNC Spiral Point HSS-E - Steam Oxide Coated - Through Hole - No. 4 x 40 Face Mill Arbors - Anti-Vibration predictable reaming and a cleanerThe OSG UNC Spiral Point Threading Tap No. 4 x 40 is a precision threading tool designed for through hole applications, delivering clean, accurate UNC threads with reliable tool life. Built from cobalt infused HSS E and finished with a steam oxide coating, its engineered for demanding machining environments. Thread Type: UNC spiral point design optimized for through hole tapping, promoting efficient thread formation. Material: HSS E (high speed steel