Description
Cobalt – Aircraft Type J Jobber Length DrillsHeavy duty constructionCobalt steel offers increased hardness, toughness, wear resistance and heat resistanceRecommended for drilling tough, high tensile strength materials that generate higher cutting temperatures including high alloy steels, ferrous castings, titanium, inconel, stainless steels and other difficult-to-drill materials135Degreesplit pointCountry 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.govDrill Bit Size / Cutting Diameter (DC) 7/16″Cutting Depth u200e4-1/16″Drill Bit Size / Cutting Diameter (DC) – Inch 7/16″Flute Length u200e4-1/16″Decimal Equivalent 0.4375Point Shape SplitMeasurement Type InchShank Type StraightAngle 135 DegreesConnection Diameter Machine Side (DCONMS) 7/16″Cutting Edge Material HSSCoShape NAS 907, Type JFlute Type StandardTool Radius 135 DegreesCoating Black OxideSeries/List 2330Coolant Supply Property (CSP) ExternalOverall Length (OAL) u200e5-1/2″









