29Pcs M2 HSS Cobalt Drill Bits Set, 1/16"-1/2" Metal Drill Bits
- 【29Pcs Jobber Drill Bits】This 29-piece drill bit set includes 29 sizes ranging from 1/16 inch to 1/2 inch to meet your drilling needs.
- 【M2 Cobalt High Speed Steel】Made of industrial-grade M2 cobalt high-speed steel, its hardness and wear resistance far exceed those of ordinary high-speed steel. Even under the high temperatures generated by high-speed drilling, it can still maintain the hardness and toughness of the blade, effectively preventing edge curling and breakage, and extending the service life
- 【Application range】It is specially designed for stainless steel, alloy steel, cast steel and other hard metals, and can also be used for plastics, aluminum alloys and wood
- 【Fully Ground Process & 135° Split Point】The spiral grooves are fully ground, ensuring smooth and rapid chip removal, effectively reducing friction and heat buildup. The 135° self-centering tip design allows for precise positioning of the drill bit, eliminating the need for pre-punching to start drilling, improving efficiency and accuracy
- 【After Sales Service】If you have any problems after your purchase, please contact us and we'll get back to you promptly
Estimated shipping
Select a product to estimate shipping.This 29-piece drill bit set from Tech Hyren is designed to provide precision and durability for a wide range of drilling tasks. Crafted with high-quality materials, it’s a versatile addition to any workshop or toolbox.
Key Highlights
- Comprehensive Size Range: Includes 29 sizes, from 1/16 inch to 1/2 inch, covering many drilling needs.
- Enhanced Durability: Constructed from M2 cobalt high-speed steel, offering superior hardness and wear resistance compared to standard high-speed steel.
- Effective Chip Removal: Features fully ground spiral grooves that minimize friction and heat buildup during drilling.
- Precise Drilling: The 135° split point design ensures accurate centering and consistent results.
Useful Facts
- Material: High Speed Steel (HSS)
- Cutting Diameter Range: 1.59 millimeters to 3.175 millimeters
- Shank Type: Round
- Brand: Tech Hyren
Good Fit For
- Metalworking projects
- Working with stainless steel, alloy steel, and cast steel
- DIY enthusiasts and professionals
- Tasks involving plastics, aluminum alloys, and wood
Product details






Specifications
| Main Specification | |
|---|---|
| Manufacturer | Tech Hyren |
| Surface Recommendation | Metal |
| Cutting Diameter | 1.59 millimeters |
| Shank Type | Round |
| Tool Flute Type | Spiral |
| Brand | Tech Hyren |
| Cutting Angle String | 135 Degrees |
| Number of Pieces | 29 |
| Material | High Speed Steel (Hss) |
| Product information | |
|---|---|
| Set Name | 29-Piece M2 Cobalt Drill Bit Set |
| Technical Details | |
|---|---|
| Part Number | HRT0003 |
| Material Type | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Others | |
|---|---|
| Item Highlight | Plastic, Stainless Steel, Wood, cast iron, with Storage Case, Twist Jobber Drill Bits Set for Hardened Metal |
| Product Type | Jobber Drill Bits |
| Tags | |
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