Westward Jobber Length Drill Bit The TiN coating on these bits significantly extends their lifespan and resists heat buildup, making them ideal for drilling steel, stainless steel, and aluminum. Clear chips, faster drilling. The wide, deep parabolic flutes efficiently remove chips and channel heat away from the bit. This allows you to maintain faster drilling speeds even in deep holes. These bits have a straight shank that can compatibility with a variety of drill chucks and similar tool-holder. Drill Bit Size / 5.00 mm Decimal Equivalent / 0.1969 Measurement System / Metric Material - Machining / High-Speed Steel Finish - Machining / TiN Drill Bit Point Angle / 135 ° Drill Bit Point Type / Split Point Coolant Fed / Non-Coolant Through Flute Type / Parabolic Flute Length / 52.00 mm Cutting Direction / Right Hand Shank Type - Machining / Straight Overall Length / 86.00 mm Drill Length Class / Jobber Length Standards / Not Rated Maximum Drilling Depth / 52 mm