87853 Type 190-AL Left-Hand Spiral Heavy-Duty Jobber Length 135Â degree Split Point Drill Bit 17pc Set 112 Teeth worms and worm gears operating

worms and worm gears operating together must have the same diametrical pitch and threads

Housing is crimped together at bolt holes

Narrow Contours and Surfaces

and enhance coolant flow

87853 Type 190-AL Left-Hand Spiral Heavy-Duty Jobber Length 135Â degree Split Point Drill Bit 17pc Set 112 Teeth worms and worm gears operatingSpecial Hi Molybdenum tool steel. 135 degree split point for fast penetration and accurate starting without center punch. Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance. Body and clearance are gold surface treated for maximum lubricity. Ideal for removing broken studs. Click Here for product catalog Proudly Manufactured in the U. S. A