21 Dia. - 3-1/4" OAL - Surface Treated-Cobalt-Heavy Duty Jobber Drill Series/List #2340 MT1117148

Cobalt - Aircraft Type J Jobber Length Drills Heavy duty construction Cobalt steel offers increased hardness, toughness, wear resistance and heat resistance Recommended 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 materials 135Degree split pointCountry of OriginUSA Drill Bit Size / Cutting Diameter (DC) #21 Cutting Depth u200e2-1/8" Decimal Equivalent 0.1590 Flute Length u200e2-1/8" Drill Bit Size / Cutting Diameter (DC) - Letter /xa0Wire Gauge #21 Point Shape Split Measurement Type Wire Gage Shank Type Straight Angle 135 Degrees Connection Diameter Machine Side (DCONMS) 0.161" Cutting Edge Material HSSCo Shape NAS 907, Type J Flute Type Standard Tool Radius 135 Degrees Coating Black Oxide Series/List # 2340 Coolant Supply Property (CSP) External Overall Length (OAL) u200e3-1/4"