Milwaukee
Milwaukee RED HELIX Cobalt Twist Drill Bit, 3/8 in. Diameter, 5 in. Length
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SKU 48-89-2321
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Details
3/8 in. Cobalt Twist Drill Bit for Hard Metals
Milwaukee’s RED HELIX cobalt twist drill bit is engineered for extreme durability and fast drilling in hard metals. A QuadEdge tip and variable helix design improve chip removal and reduce heat, while a thicker tapered web boosts strength for longer life versus black oxide bits.
Key Features:
- Durable Cobalt Construction: Up to 15x life vs. black oxide bits in hard metals
- Precision Starts: 135° split point reduces walking for cleaner holes
- Variable Helix Flutes: 35°–15° geometry accelerates material extraction
- QuadEdge Tip: Stays sharper longer and drills faster with less heat
- Secure 3-Flat Shank: Prevents bit slipping in the chuck for better control
Specifications Table:
| Specification | Details |
|---|---|
| Bit Material | Cobalt |
| Drill Bit Type | Twist |
| Drill Bit Type(s) Included | Twist |
| Individual/Set | Individual |
| Number of Pieces | 1 |
| Pack Size | 1 |
| Material Application | Aluminum, Cast Iron, Duct/Sheet Metal, Stainless Steel, Steel |
| Tools Product Type | Power Tool |
| Shank Style | 3-Flat |
| Shank Diameter | 3/8 in |
| Bit Diameter | 3/8 in |
| Bit Length (in.) | 5 |
| Item Weight | 0.1 lb |
| Drilling Depth (in) | 3.74 |
| Returnable | 180-Day |
| Features | QuadEdge tip, Variable Helix design, Enhanced tapered web, 135° split point |
Frequently Asked Questions (FAQ):
Q: What materials can this bit drill?
A: Designed for aluminum, cast iron, duct/sheet metal, stainless steel, steel, PVC, wood, and more.
Q: What is the shank style?
A: 3-Flat Secure-Grip shank to reduce slipping in the chuck.
Q: What are the dimensions?
A: Bit diameter is 3/8 in.; overall length is 5 in.; shank diameter is 3/8 in.
Q: Is this sold as a single bit or a set?
A: Individual bit (pack size: 1).
Q: Will it work with standard drill/drivers?
A: Yes, it’s compatible with all drill/drivers.
Industrial Precision, Elevated
This sleek cobalt bit brings a refined, hardworking edge to workshop essentials, turning metalwork into a crisp, confident act. The variable helix fluting is a standout, channeling chips away with sculptural ease for smoother, faster holes. Pair it with a brushed-steel drill/driver and a clean pegboard wall to create a purposeful, modern workspace. It’s a small luxury of performance—precise, enduring, and indispensable.
Upgrade your drill kit with Milwaukee’s RED HELIX cobalt bit for faster, longer-lasting performance in hard metals.
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