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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
Chip-Clearing Carbide Drill Bits
Jobbers' Length Parabolic Flute Round Shank | Standard |
Drill Taps
Spiral Flute |
Thread | Drill Bit | Plug Chamfer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Lg. | Overall Lg. | Size | Decimal Size Equiv. | Point Angle | Flute Type | No. of Flutes | Thread Type | Pitch Dia. Limit | Each | |||
Uncoated High-Speed Steel | |||||||||||||
| 1/2"-13 | 1 3/8" | 4 1/16" | 27/64" | 0.4219" | 110° | Spiral | 2 | UNC | H3 | 2748A57 | 000000 | ||
| 1/2"-20 | 1 3/8" | 4 1/16" | 29/64" | 0.4531" | 110° | Spiral | 2 | UNF | H3 | 2748A58 | 00000 | ||
| M12 × 1.75 mm | 1 3/8" | 4 1/16" | 10.2 mm | 0.4015" | 110° | Spiral | 2 | Metric | D6 | 2748A68 | 00000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
| 1/2"-13 | 1 3/8" | 4 1/16" | 27/64" | 0.4219" | 118° | Spiral | 2 | UNC | H3 | 2748A91 | 00000 | ||
Quick-Change Hex Shank Drill Taps for Drills and Screwdrivers
Thread | Drill Bit | Plug Chamfer | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size | Lg. | Overall Lg. | Size | Decimal Size Equiv. | Point Angle | Flute Type | No. of Flutes | Thread Type | Pitch Dia. Limit | Hex Shank Size | Each | |||
Titanium Nitride (TiN)-Coated High-Speed Steel | ||||||||||||||
| 1/2"-20 | 1 3/8" | 4 1/16" | 29/64" | 0.4531" | 118° | Spiral | 2 | UNF | H3 | 1/4" | 3464A125 | 000000 | ||



























