Drillco® Screw Thread Insert Tap, 5/16"-18, 4 Flutes, High Speed Steel FRL Replacement Parts & Accessories spatter resistant spindle and simplified

spatter resistant spindle and simplified heavy-duty pad offer great value for industrial use

TiN coating increases the surface hardness and improves tool life

Durable all-metal housing and steel gears with ball bearing construction allows this adapter to handle up to 235 in-lbs

All cast iron pumps have steel valves for longer life

Drillco® Screw Thread Insert Tap, 5/16"-18, 4 Flutes, High Speed Steel FRL Replacement Parts & Accessories spatter resistant spindle and simplifiedScrew Thread Insert (STI) taps are dimensionally oversize and utilize a larger tap drill size so that thread they produce will accommodate a helical screw thread insert Specifications Material High Speed Steel Pipe Size 5 16" 18 No. Of Flutes 4 Finish Bright Country Of Origin United States