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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Drill Bit Sets
These jobbers'-length bits have the rigidity and length required for most applications.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
| No. of Pieces | Drill Bit Sizes Included | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||
|---|---|---|---|---|---|---|
Black-Oxide High-Speed Steel | ||||||
| 41 | 6.0-10.0 mm (increments of 0.1 mm) | Standard | __ | Steel, Iron, Stainless Steel | 0000000 | 0000000 |
Black-and-Gold-Oxide High-Speed Steel | ||||||
| 41 | 6.0-10.0 mm (increments of 0.1 mm) | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 00000000 | 000000 |
Cobalt Steel Drill Bit Sets
These jobbers'-length bits have the rigidity and length required for most applications. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
| Number of Pieces | Drill Bit Sizes Included | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||
|---|---|---|---|---|---|---|
Uncoated Cobalt Steel | ||||||
| 41 | 6.0-10.0 mm (increments of 0.1 mm) | Split | NAS907 Type J | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 0000000 |