Drillco® Screw Thread Insert Tap, 1/4"-20, 3 Flutes, High Speed Steel Insulated Nut Drivers water-resistant backing resists wear and

water-resistant backing resists wear and abrasion while still tearing easily by hand

Nubian®

Suitable for hand use or on oscillating and dual pad rubbing machines

Features bi-metal construction with 8% cobalt for increased wear resistance

Chrome molybdenum construction for excellent strength and durability

Drillco® Screw Thread Insert Tap, 1/4"-20, 3 Flutes, High Speed Steel Insulated Nut Drivers water-resistant backing resists wear andScrew 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 1 4" 20 No. Of Flutes 3 Finish Bright Country Of Origin United States