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🔧 Elevate your craft with precision and power—don’t settle for less!
The ColumPRO 4PCS Cobalt Single-End Countersink Chamfer Tool Set features heavy-duty M35 cobalt high-speed steel bits with a 90-degree cutting angle, designed for clean, precise chamfering on metal, wood, and more. Its spiral flute design ensures rapid chip ejection, while the set’s four size options cover a broad range of drilling needs. Compatible with various drills and milling machines, this set combines durability, versatility, and portability for professional-grade results.




| ASIN | B0CP22JJD4 |
| Best Sellers Rank | #25,938 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in Countersink Drill Bits |
| Brand Name | ColumPRO |
| Customer Reviews | 4.7 4.7 out of 5 stars (150) |
| Cutting Angle String | 90 Degrees |
| Finish Types | Cobalt |
| Item Dimensions | 7.5 x 4.7 x 1.61 inches |
| Manufacturer | ColumPRO |
| Material Type | Cobalt High Speed Steel |
| Number of Flutes | 3 |
| Number of Pieces | 4 |
| Part Number | O048-4PACK |
| Set Name | ColumPRO 4PCS Cobalt Single-End Countersink Chamfer Tool Set |
| Shank Type | Straight |
| Surface Recommendation | Copper, Glass, Metal, Wood |
| Tool Flute Type | Spiral |
| Unit Count | 4.0 Count |
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