1/4 (ltr e) hp carb drill 5d

The TiAlN coating on these drill bits withstands high temperatures and protects the bits from wear during high-speed, dry machining applications with difficult-to-machine ferrous metals. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece, and they have a straight shank that installs into a drill chuck or similar toolholder. This listing is for each. Technical Specification Item Jobber Length Drill Bit Drill Bit Size 1/4 in Decimal Equivalent 0.2500 Measurement System Fractional Inch Material - Machining Carbide Finish - Machining TiAlN Drill Bit Point Angle 140 Degrees Drill Bit Point Type R Thinning Point Coolant Fed Non-Coolant Through Flute Type Spiral Number of Flutes 2 Flute Length 53.00 mm Maximum Drilling Depth 53.00 mm Helix Angle 30 Degrees Cutting Direction Right Hand Shank Type - Machining Straight Shank Dia. 8.00 mm Shank Length 38.00 mm Overall Length 91.00 mm Depth:Dia. Ratio 5xD Drill Length Class Jobber Length Drill Bit Grouping Individual Series HP245 Standards Not Rated Drill Diameter Tolerance +0.006/+0.021 mm Sheeter Drill No Primary Material Application Cast Iron, Hardened Steel, Steel, Tool and Die Steel Primary Material Application ISO Code H, K, P Secondary Material Application Casting Aluminum, Hardened Steel Secondary Material Application ISO Code H, N