OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/2 x 13 Conventional Single Station Machine Vices making it suitable for finishing

making it suitable for finishing operations in hardened steels and alloys

this drill balances reach and stability for a wide range of tasks—from mid-depth holes in stainless steel to versatility across alloy steels and cast iron

Flute count: 4-flute design for efficient chip evacuation and smooth cutting action

the Toolex Reamer supports precise

reducing friction and improving surface quality in deep or hard-material holes

OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/2 x 13 Conventional Single Station Machine Vices making it suitable for finishingThe OSG UNC Spiral Flute Threading Tap is designed for precision internal threading in blind holes, delivering clean, accurate threads in demanding metalworking tasks. Built with cobalt enhanced HSS and a durable steam oxide coating, it stands up to heat and wear in tough materials. Size and Thread: 1 2" diameter with 13 UNC coarse thread for standard internal threads Material: HSS E (high speed steel with cobalt) for enhanced hardness and wear