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Materials & Applications
Compatibility
Materials & Applications
Recommended use cases for this product across common industrial materials and jobsite applications.
steel
stainless steel
alloys
non-ferrous materials
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Technical Description
Essential product information, specifications, and recommended use before ordering.
Champion 799-3/8X82 Three-Flute HSS Countersink, 3/8" x 82°
799-3/8X82 is a Champion 799 three-flute HSS countersink with a 82° included angle and 3/8" cutting diameter. The chatter-resistant design is made for countersinking, chamfering and deburring a variety of steels and alloys in portable power drills, drill presses and machine applications.
Key Benefits
- Three-flute HSS design supports smooth, chatter-free countersinking.
- 82° angle matches the selected fastener or finishing requirement.
- 3/8" diameter targets the exact hole size for the job.
- High-speed steel supports repeated work in steel and metal alloys.
- Made for portable drills, drill presses and machine applications.
Applications
- Countersinking and chamfering steel and metal alloys
- Deburring drilled holes before fastening or finishing
- Portable power drills, drill presses and machine tools
- 3/8" diameter holes requiring a 82° countersink angle
Technical Specifications
| Manufacturer part number | 799-3/8X82 |
|---|---|
| Series | Champion 799 |
| Tool type | Three-flute countersink |
| Cutting diameter | 3/8" |
| Countersink angle | 82° |
| Material | High-speed steel |
| Shank diameter | 1/4" |
| Overall length | 1-21/32" |
| Country of origin | Made in USA |
How to Use
Use the 799-3/8X82 in rotary mode with the cutter aligned to the hole. Apply controlled feed pressure and let the flutes cut rather than forcing the tool. Choose the correct speed for the material and clear chips between operations.
Cutting tools may shatter if misused or overloaded. Wear eye protection and follow the tool and machine manufacturer's operating instructions.
Most Interesting Product Feature
Product highlight
Most Interesting Product Feature
- The three-flute geometry ensures a perfectly balanced cut — reduced chatter + smoother finish = fewer rejected parts.
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