#57 Dia. Screw Machine Drill, 135 Degrees, Black Oxide, Series/List # 1398 MT1414883

Aircraft Type C Heavy Duty Screw Machine Length Drills Heavy duty construction 135Degree self-centering point eliminates walking and reduces thrust Short length provides maximum rigidity for increased hole accuracy and extended tool life Recommended for drilling a wide range of low to medium tensile strength materialsCountry of OriginUSAWarning-Proposition 65- For Californian Users onlyWARNING: This product contains a chemical known to the State of California to cause cancer or Birth defects. For more information go towww.P65Warnings.ca.gov Measurement Type Wire Gage Flute Length 1/2" Drill Bit Size / Cutting Diameter (DC) #57 Flute Type Standard Decimal Equivalent 0.0430 Overall Length (OAL) u200e1-3/8" Drill Bit Size / Cutting Diameter (DC) - Letter /xa0Wire Gauge #57 Shank Type Round Angle 135 Degrees Style NAS 907, Type C Shape Screw Machine Point Shape Split Point Coating Black Oxide Connection Diameter Machine Side (DCONMS) 0.043" Cutting Depth 1/2" Series/List # 1398 Cutting Edge Material HSS