About Drill Bits
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Drill Bit Decimal Size Equivalents
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Chip-Clearing Drill Bit Sets
Designed to lift chips out of the hole, these bits reduce clogging and improve coolant flow. They’re jobbers’ length, so they have the rigidity and length required for most applications. A split point keeps the bit centered without a pilot hole.
Parabolic spiral flute drill bits have wider flutes for more efficient chip evacuation than spiral flute drill bits.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than black-oxide drill bits.
For technical drawings and 3-D models, click on a part number.
Number of Pieces | Drill Bit Sizes Included | Point Style | For Use On | Each | |
Inch—Parabolic Spiral Flute | |||||
---|---|---|---|---|---|
Black-Oxide High-Speed Steel | |||||
29 | 1/16"-1/2" (increments of 1/64") | Split | Steel, Iron, Stainless Steel | 0000000 | 0000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||
29 | 1/16"-1/2" (increments of 1/64") | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Metric—Spiral Flute | |||||
Black-Oxide High-Speed Steel | |||||
25 | 1.0-13.0 mm (increments of 0.5 mm) | Split | Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |