35380 Type 221-P Heavy-Duty Parabolic Flute Taper Length Black Oxide Tang Drive 135Â degree Split Point Drill Bits (12 pack) 8.6mm and compound worm ratios ranging

and compound worm ratios ranging from 5:1 to 10

and neoprene outer jacket provides flexibility and a high oil-resistance

porous bronze bearing material

including plain

35380 Type 221-P Heavy-Duty Parabolic Flute Taper Length Black Oxide Tang Drive 135Â degree Split Point Drill Bits (12 pack) 8.6mm and compound worm ratios rangingParabolic flute drills are designed to eliminate the need for frequent drill retraction when deep hole drilling in low to medium tensile strength materials. The split point and heavy duty design provide superior performance by permitting higher feed rates and continuous drilling of deep holes. Click Here for product catalog Proudly Manufactured in the U. S. A