Drillco® Combined Tap & Drill, 1/2-20, High Speed Steel Polishers For use with core bits

For use with core bits with 5/8"-11 threads

25' with Male Coupling

For use with 6" wheels

These units are principally used on gravity or pressure oiling systems of larger machinery for lubrication where considerable capacities of oil must be dispensed

1/4" (NPTF) air inlet thread

Drillco® Combined Tap & Drill, 1/2-20, High Speed Steel Polishers For use with core bitsDrills and Taps in a single pass, reducing cycle time, and therefore reducing the manufacturing cost of a part The drill part of the tool produces a hole correctly sized for approximately 75% of thread They can be used on multi spindle or hand held drill operations Specifications Material High Speed Steel Drill Size 1 2 20 Decimal Drill Size 1. 65625" Finish Bright Country Of Origin United States