
Milwaukee® Tool
Milwaukee® Tool 48-89-2329 Thunderbolt® RED HELIX™ Jobber Length Twist Drill Bit, Steel, Cobalt Coated
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- Milwaukee® Cobalt RED HELIX™ Drill Bits are engineered for extreme durability and long life in hard metal applications. Designed with a Variable Helix™ that includes an aggressive 35 deg Helix Angle which ends at 15 deg, the Cobalt bits with RED HELIX™ provide Rapid Chip Removal™ limiting heat buildup to Stay Sharper Longer™. The 135 deg split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough applications and provide Up to 10X life vs. Black Oxide Drill Bits™ but can be used in all twist drilling applications.
Milwaukee® Jobber Length Twist Drill Bit, Series: Thunderbolt® RED HELIX™, Imperial, 1/2 in Drill Size - Fraction, 0.5 in Drill Size - Decimal Inch, 5.12 in Overall Length, 4-1/2 in Cutting Depth, Parabolic Flute, 4-1/2 in Flute Length, 3/8 in Shank, 3-Flat/Reduced Shank, 135 deg Point, Split Point, Right Hand Cutting, Steel Cutting Edge, Steel, Cobalt Coated, Applicable Materials: Wood, Metal, Plastic, PVC and Stainless Steel
- Up to 10X life vs black oxide
- 135 deg split point for precision start no walking
- Red HELIX™ design for rapid chip Removal™
- CHIP BREAKER™ decreased heat buildup
- Secure Grip™ - prevents bit from slipping in chuck
- MaterialSteelApplicable MaterialsWood, Metal, Plastic, PVC and Stainless SteelCutting Depth4-1/2Cutting DirectionRight HandCutting Edge MaterialSteelDrill Diameter Measurement SystemImperialDrill Size - Decimal Inch0.5Drill Size - Fraction1/2FinishCobalt CoatedFlute Length4-1/2Flute TypeParabolicManufacturerMilwaukee ToolManufacturer #48-89-2329Overall Length5.12 inPoint Angle135Point TypeSplitSeriesThunderbolt RED HELIXShank Size3/8Shank Type3-Flat/Reduced