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⚡ Drill like a pro, last like a legend.
The Bosch CO21 21-Piece Cobalt Metal Drill Bit Set delivers professional-grade performance with cobalt steel construction for 4X longer life and superior heat resistance. Featuring a no-skate split-point tip and three-flat shank design, it ensures precision and slip-free operation across 21 laser-etched sizes, perfect for drilling stainless steel, cast iron, titanium, and a variety of other materials.

| ASIN | B06XY7W87H |
| Best Sellers Rank | #11,450 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Jobber Drill Bits |
| Brand | Bosch |
| Brand Name | Bosch |
| Customer Reviews | 4.7 out of 5 stars 8,082 Reviews |
| Cutting Angle String | 135 degrees |
| Cutting Diameter | 0.5 inches |
| Finish Type | Titanium |
| Finish Types | Titanium |
| Global Trade Identification Number | 00000346471540 |
| Included Components | Bit Sizes: (2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2" |
| Item Dimensions | 4.6 x 9 x 1.5 inches |
| Item Type Name | CO21 Cobalt Metal Drill Bit Set (21 Piece) |
| Item Weight | 1.1 pounds |
| Manufacturer | Bosch |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | CO21 |
| Number of Flutes | 2 |
| Number of Pieces | 21 |
| Part Number | CO21 |
| Point Style | Split Point |
| Set Name | 21-Piece Assorted Set |
| Shank Type | 3-Flat |
| Surface Recommendation | Cast Iron,Metal,Plastic,Stainless,Stainless Steel,Steel,Wood |
| Tool Flute Type | Spiral |
| UPC | 000346471540 |
| Unit Count | 1 Count |
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