Jet 570480-1-1/4" -Kut Gold Super Premium M2 H.S.S. Prentice Drill Bit Air Tools Model 553505 (mc311t) has a

Model 553505 (mc311t) has a rolled lip on the cup for extra strength further reducing wire fatigue

700128) All sets meet and ANSI specifications

Clamping Pressure: 8

5/16-Inch Long Arm Ball Nose Hex Key

Jet 570480-1-1/4" -Kut Gold Super Premium M2 H.S.S. Prentice Drill Bit Air Tools Model 553505 (mc311t) has aSuper premium 118 Degree split point drill bits bronze oxide (gold) finish , Made from heavy duty high molybdenum , hardened steel for increased consistency and greater wear resistance , Flutes are ground to extremely tight tolerances for increased accuracy and consistency in the point and split grinding process , resulting in more accurate hole sizes , Flutes have a thin nitro carburized surface to provide extra wear resistance along the cutting edge