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Drill Bit Decimal Size Equivalents
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About Drill Bits
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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.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated and oxide-coated drill bits.
Titanium-aluminum-nitride (TiAlN) coated drill bits are the most wear and temperature resistant for the longest life and highest drilling speeds.
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 | |
Inch | ||||||
|---|---|---|---|---|---|---|
Black-Oxide High-Speed Steel | ||||||
| 13 | 1/16"-1/4" (increments of 1/64") | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 15 | 1/16"-1/2" (increments of 1/32") | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 21 | 1/16"-3/8" (increments of 1/64") | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 29 | 1/16"-1/2" (increments of 1/64") | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 96 | 6 each of sizes 1/16", 3/32", 1/8", 5/32", 11/64", 3/16", 7/32", and 1/4" 3 each of sizes 5/64", 7/64", 9/64", 13/64", 15/64", 9/32", 5/16", and 11/32" 2 each of sizes 17/64", 21/64", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", and 1/2" 1 each of sizes 19/64" and 31/64" | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||
| 13 | 1/16"-1/4" (increments of 1/64") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 15 | 1/16"-1/2" (increments of 1/32") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 21 | 1/16"-3/8" (increments of 1/64") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 29 | 1/16"-1/2" (increments of 1/64") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 96 | 6 each of sizes 1/16", 3/32", 1/8", 5/32", 11/64", 3/16", 7/32", and 1/4" 3 each of sizes 5/64", 7/64", 9/64", 13/64", 15/64", 9/32", 5/16", and 11/32" 2 each of sizes 17/64", 21/64", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", and 1/2" 1 each of sizes 19/64" and 31/64" | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
Titanium-Aluminum-Nitride (TiAlN) Coated High-Speed Steel | ||||||
| 13 | 1/16"-1/4" (increments of 1/64") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
| 15 | 1/16"-1/2" (increments of 1/32") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
| 21 | 1/16"-3/8" (increments of 1/64") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
| 29 | 1/16"-1/2" (increments of 1/64") | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
| 96 | 6 each of sizes 1/16", 3/32", 1/8", 5/32", 11/64", 3/16", 7/32", and 1/4" 3 each of sizes 5/64", 7/64", 9/64", 13/64", 15/64", 9/32", 5/16", and 11/32" 2 each of sizes 17/64", 21/64", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", and 1/2" 1 each of sizes 19/64" and 31/64" | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
Uncoated High-Speed Steel | ||||||
| 13 | 1/16"-1/4" (increments of 1/64") | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
| 15 | 1/16"-1/2" (increments of 1/32") | Standard | __ | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
| 21 | 1/16"-3/8" (increments of 1/64") | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
| 29 | 1/16"-1/2" (increments of 1/64") | Standard | __ | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
| 96 | 6 each of sizes 1/16", 3/32", 1/8", 5/32", 11/64", 3/16", 7/32", and 1/4" 3 each of sizes 5/64", 7/64", 9/64", 13/64", 15/64", 9/32", 5/16", and 11/32" 2 each of sizes 17/64", 21/64", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", and 1/2" 1 each of sizes 19/64" and 31/64" | Split | NAS907 Type A | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Wire Gauge | ||||||
Black-Oxide High-Speed Steel | ||||||
| 20 | 80-61 ga | Standard | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 60 | 60-53 ga 52-1 ga | Standard Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 80 | 80-1 ga | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 249 | 5 each of 60-53 ga 3 each of 22-1 ga, 4 each of 29-23 ga, 5 each of 52-30 ga | Standard Split | __ | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||
| 20 | 80-61 ga | Standard | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 60 | 60-53 ga 52-1 ga | Standard Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 249 | 3 each of 22-1 ga, 4 each of 29-23 ga, 5 each of 60-30 ga | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Uncoated High-Speed Steel | ||||||
| 20 | 80-61 ga | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 60 | 60-1 ga | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 249 | 3 each of 22-1 ga, 4 each of 29-23 ga, 5 each of 60-30 ga | Split | NAS907 Type A | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
Letter | ||||||
Black-Oxide High-Speed Steel | ||||||
| 26 | A-Z | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 72 | 3 each of sizes A-T, 2 each of sizes U-Z | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||
| 26 | A-Z | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 72 | 3 each of sizes A-T, 2 each of sizes U-Z | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
Titanium-Aluminum-Nitride (TiAlN) Coated High-Speed Steel | ||||||
| 26 | A-Z | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
| 72 | 3 each of sizes A-T, 2 each of sizes U-Z | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 000000 |
Uncoated High-Speed Steel | ||||||
| 26 | A-Z | Standard | __ | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
| 72 | 3 each of sizes A-T, 2 each of sizes U-Z | Split | NAS907 Type A | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Metric | ||||||
Black-Oxide High-Speed Steel | ||||||
| 13 | 1.0-7.0 mm (increments of 0.5 mm) | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 25 | 1.0-13.0 mm (increments of 0.5 mm) | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 41 | 6.0-10.0 mm (increments of 0.1 mm) | Standard | __ | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 50 | 1.0-5.9 mm (increments of 0.1 mm) | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 118 | 1.0-2.45 mm (increments of 0.05 mm), 2.5-10.0 mm (increments of 0.1 mm), 10.2 mm, 10.5 mm, 10.8 mm, 11.0 mm, 11.2 mm, 11.5 mm, 11.8 mm, 12.0 mm, 12.2 mm, 12.5 mm, 12.8 mm, 13.0 mm | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Black-and-Gold-Oxide High-Speed Steel | ||||||
| 13 | 1.0 mm and 1.5 mm 2.0-7.0 mm (increments of 0.5 mm) | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 00000000 | 00000 |
| 19 | 1.0 mm and 1.5 mm 2.0-10.0 mm (increments of 0.5 mm) | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 00000000 | 00000 |
| 25 | 1.0 mm and 1.5 mm 2.0-13.0 mm (increments of 0.5 mm) | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 00000000 | 000000 |
| 41 | 6.0-10.0 mm (increments of 0.1 mm) | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 00000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||
| 11 | 1.0-6.0 mm (increments of 0.5 mm) | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 000000 |
| 25 | 1.0-13.0 mm (increments of 0.5 mm) | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 000000 |
Uncoated High-Speed Steel | ||||||
| 19 | 1.0-10.0 mm (increments of 0.5 mm) | Standard | DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 25 | 1.0-13.0 mm (increments of 0.5 mm) | Standard | DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
Inch, Wire Gauge, Letter | ||||||
Black-Oxide High-Speed Steel | ||||||
| 115 | 1/16"-1/2" (increments of 1/64"), 60-1 ga, A-Z | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 115 | 1/16"-1/2" (increments of 1/64"), 52-1 ga, A-Z 60-53 ga | Split Standard | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||
| 115 | 1/16"-1/2" (increments of 1/64"), 52-1 ga, A-Z 60-53 ga | Split Standard | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000000 |
Uncoated High-Speed Steel | ||||||
| 115 | 1/16"-1/2" (increments of 1/64"), 60-1 ga, A-Z | Standard | ASME B94.11M, DIN 338 | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Inch, Wire Gauge, Metric | ||||||
Black-Oxide High-Speed Steel | ||||||
| 114 | 1/16"-1/2" (increments of 1/64"), 60-1 ga, 1.0-13.0 mm (increments of 0.5 mm) | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 000000 |