35390 Type 221-P Heavy-Duty Parabolic Flute Taper Length Black Oxide Tang Drive 135Â degree Split Point Drill Bits (12 pack)Parabolic 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

Diametral Pitch: 20

with twice the flow

structure by transforming retained austenite into martensite

reinforcement braiding

Model Length Diameter Weight Material Operating Range 4214-ADJ 2

and tightening both nuts

Click here for spec sheets: SUCTFB Spec Sheet

Operating Pressure 0 to 140 PSI

and equipped with a true strain relief

quieter operation

porous bronze bearing material

producing extremely precise tolerances — thus ensuring accurate positioning of gear teeth