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1/2-Inch RED HELIX™ Cobalt Drill Bit, 1-Pack
- Mfg.#
- 48-89-2329
- Sku#
- 498717
- Up to 10X life vs black oxide
- RED HELIX™ design for rapid chip removal
- 135 deg split point for precision start
- Chip Breaker decreased heat build-up
- Secure-Grip prevents bit from slipping in chuck
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
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 build-up 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.
Specifications
General
| Applicable Materials | Metal Plastic PVC Stainless Steel Wood |
|---|---|
| Finish | Bright |
| Flute Type | Twist |
| Material | Cobalt |
| Point Angle | 135 deg |
| Point Type | Split |
| Shank Type | 3-Flat Reduced |
| Type | Twist Drill Bit |
Dimensions
| Diameter | 1/2 in |
|---|---|
| Flute Length | 4-1/2 in |
| Length | 5-1/8 in |
| Shank Diameter | 3/8 in |
| Shank Length | 5/8 in |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | CHN |
|---|---|
| Prop 65 Warning |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
|
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