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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
High-Speed Steel Drill Bits
Shank | Each | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | Mfr. | 1-9 | 10-Up | |||
Jobbers' Length | ||||||||||||
Black/Gold Oxide | ||||||||||||
| 6.9 | 0.2717" | 105 | 69.9 | Round | 6.9 mm | Split | Viking Norseman Drill | 30565A293 | 00000 | 00000 | ||
Short Length | ||||||||||||
Black Oxide | ||||||||||||
| 6.9 | 0.2717" | 74 | 34 | Round | 6.9 mm | Split | Dormer Pramet | 28255A119 | 0000 | 0000 | ||
Cobalt Steel Drill Bits
Jobbers' Length Round Shank | Split |
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size, mm | Decimal Size Equiv. | Overall Lg., mm | Max. Drilling Dp., mm | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Jobbers' Length | |||||||||||
Titanium Nitride (TiN) Coated | |||||||||||
| 6.9 | 0.2717" | 109 | 69 | Round | 6.9 mm | Split | Dormer Pramet | 5058N136 | 000000 | ||
Titanium Aluminum Nitride (TiAlN) Coated | |||||||||||
| 6.9 | 0.2717" | 109 | 69 | Round | 6.9 mm | Split | Dormer Pramet | 5058N147 | 00000 | ||
Gold Oxide | |||||||||||
| 6.9 | 0.2717" | 109 | 55.2 | Round | 6.9 mm | Split | Dormer Pramet | 29355A116 | 0000 | ||




























