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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Drill Bits
Black Oxide
Black and Gold Oxide
Standard
Split
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.
Shank | Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
9.9 mm | 0.3898" | 133mm | 67.2mm | Round | 9.9mm | Standard | DIN 338 | Steel, Iron, Stainless Steel | 00000000 | 000000 |
Black-and-Gold Oxide High-Speed Steel | ||||||||||
| 9.9 mm | 0.3898" | 130mm | 92.1mm | Round | 9.9mm | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 000000000 | 00000 |