OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/2 x 13 Conventional Single Station Machine Vices reducing binding and heat buildup

reducing binding and heat buildup during deep slots

wear‑resistant carbide provides stiffness and long tool life

They are specifically designed for use with ER40 tool holders and are compatible with standard ER40 collet nuts

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

making it well suited for challenging production runs

OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/2 x 13 Conventional Single Station Machine Vices reducing binding and heat buildupThe 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