Filter by
System of Measurement
Drill Bit Size
Decimal Size Equivalent
For Use On
Drill Bit Point Type
Flute Direction
Thread Size
Maximum Drilling Depth
Sold As
For Drill Bit Size Decimal Equivalent
Number of Flutes
DFARS Specialty Metals
Export Control Classification Number (ECCN)
About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
High-Speed Steel Drill Bits
Jobbers' Length Round Shank | Short Length Round Shank | Extended Length Round Shank |
Standard | Split |
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Black Oxide | ||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.11" | Round | 0.089" | Split | 2901A217 | 00000 | ||
Titanium Nitride (TiN) Coated | ||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.11" | Round | 0.089" | Split | 29045A767 | 0000 | ||
Uncoated | ||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.11" | Round | 0.089" | Standard | 30585A57 | 0000 | ||
Short Length | ||||||||||
Black Oxide | ||||||||||
| 43 Ga. | 0.089" | 1 3/4" | 0.61" | Round | 0.089" | Split | 2896A557 | 0000 | ||
Titanium Nitride (TiN) Coated | ||||||||||
| 43 Ga. | 0.089" | 1 3/4" | 0.75" | Round | 0.089" | Split | 3584A232 | 0000 | ||
Uncoated | ||||||||||
| 43 Ga. | 0.089" | 1 3/4" | 0.75" | Round | 0.089" | Standard | 8947A197 | 0000 | ||
Extended Length | ||||||||||
Black Oxide | ||||||||||
| 43 Ga. | 0.089" | 4 1/4" | 2.11" | Round | 0.089" | Standard | 3096A357 | 0000 | ||
Titanium Nitride (TiN) Coated | ||||||||||
| 43 Ga. | 0.089" | 4 1/4" | 2.25" | Round | 0.089" | Standard | 28965A829 | 0000 | ||
Cobalt Steel Drill Bits
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Titanium Nitride (TiN) Coated | ||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.25" | Round | 0.089" | Split | 27995A657 | 00000 | ||
Uncoated | ||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.11" | Round | 0.089" | Split | 3033A257 | 0000 | ||
Short Length | ||||||||||
Titanium Nitride (TiN) Coated | ||||||||||
| 43 Ga. | 0.089" | 1 3/4" | 0.35" | Round | 0.089" | Split | 28765A929 | 0000 | ||
Uncoated | ||||||||||
| 43 Ga. | 0.089" | 1 3/4" | 0.6" | Round | 0.089" | Split | 28765A823 | 0000 | ||
Drill Bit Size Gauges
For System of Measurement | For Use With | For Drill Bit Size | Wd. | Ht. | Thk. | Material | Color | Mounting Hole Dia. | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wire Gauge | Drills/Taps | 60 Ga., 59 Ga., 58 Ga., 57 Ga., 56 Ga., 55 Ga., 54 Ga., 53 Ga., 52 Ga., 51 Ga., 50 Ga., 49 Ga., 48 Ga., 47 Ga., 46 Ga., 45 Ga., 44 Ga., 43 Ga., 42 Ga., 41 Ga., 40 Ga., 39 Ga., 38 Ga., 37 Ga., 36 Ga., 35 Ga., 34 Ga., 33 Ga., 32 Ga., 31 Ga., 30 Ga., 29 Ga., 28 Ga., 27 Ga., 26 Ga., 25 Ga., 24 Ga., 23 Ga., 22 Ga., 21 Ga., 20 Ga., 19 Ga., 18 Ga., 17 Ga., 16 Ga., 15 Ga., 14 Ga., 13 Ga., 12 Ga., 11 Ga., 10 Ga., 9 Ga., 8 Ga., 7 Ga., 6 Ga., 5 Ga., 4 Ga., 3 Ga., 2 Ga., 1 Ga. | 2 1/2" | 6 1/2" | 5/64" | Steel | Silver | 1/8" | 8986A68 | 000000 |
Carbide Drill Bits
Drill Bit Guides
![]() | ![]() |
For Drill Bit Size | For Drill Bit Size Decimal Equiv. | Lg. | Wd. | Ht. | Material | Each | ||
|---|---|---|---|---|---|---|---|---|
| 3/64", 1/16", 5/64", 3/32", 7/64", 1/8", 10 Ga., 21 Ga., 25 Ga., 29 Ga., 30 Ga., 33 Ga., 36 Ga., 37 Ga., 38 Ga., 40 Ga., 43 Ga., 45 Ga., 47 Ga., 50 Ga., 53 Ga. | 0.0469", 0.0595", 0.0625", 0.07", 0.0781", 0.0785", 0.082", 0.089", 0.0938", 0.098", 0.1015", 0.104", 0.1065", 0.1094", 0.113", 0.125", 0.128", 0.136", 0.1495", 0.159", 0.1935" | 3 5/8" | 5/8" | 1/2" | Steel | 9550T17 | 000000 |
Expanded-Shank Carbide Drill Bits
Jobbers' Length | Standard |
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Titanium Nitride (TiN) Coated | ||||||||||
| 43 Ga. | 0.089" | 1 1/2" | 0.34" | Expanded Round | 1/8" | Four Facet | 6415N155 | 000000 | ||
Titanium Aluminum Nitride (TiAlN) Coated | ||||||||||
| 43 Ga. | 0.089" | 1 1/2" | 0.36" | Expanded Round | 1/8" | Standard | 2598N147 | 00000 | ||
Uncoated | ||||||||||
| 43 Ga. | 0.089" | 1 1/2" | 0.34" | Expanded Round | 1/8" | Standard | 2841A44 | 0000 | ||
Short-Flute Cobalt Steel Drill Bits
Jobbers' Length Round Shank | Extended Length Round Shank | Split |
Chip-Clearing High-Speed Steel Drill Bits
Jobbers' Length High Helix Flute Round Shank | Jobbers' Length Parabolic Flute Round Shank |
Standard |
Split |
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Flute Type | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | |||||||||||
Black Oxide | |||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.1" | Parabolic | Round | 0.089" | Split | 27575A67 | 00000 | ||
Titanium Nitride (TiN) Coated | |||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.1" | Parabolic | Round | 0.089" | Split | 29925A988 | 0000 | ||
Uncoated | |||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.1" | Parabolic | Round | 0.089" | Split | 2761A253 | 0000 | ||
| 43 Ga. | 0.089" | 2 1/4" | 1.11" | High Helix | Round | 0.089" | Standard | 2912A218 | 0000 | ||
Carbide Drill Bits for Hardened Steel
Short-Flute High-Speed Steel Drill Bits
Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite
Shank | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Angle | Drill Bit Point Type | Bit Style | Each | |||
Jobbers' Length | ||||||||||||
Uncoated | ||||||||||||
| 43 Ga. | 0.089" | 2" | 0.8" | Round | 0.089" | 140° | Brad | Fluted | 2828A856 | 000000 | ||
Left-Hand High-Speed Steel Drill Bits
Jobbers' Length Round Shank | Standard |
Shank | Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | 1-11 | 12-Up | |||
Jobbers' Length | |||||||||||
Uncoated | |||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.07" | Round | 0.089" | Standard | 3024A267 | 00000 | 00000 | ||
Chip-Clearing Cobalt Steel Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Flute Type | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | |||||||||||
Uncoated | |||||||||||
| 43 Ga. | 0.089" | 2 1/4" | 1.22" | Parabolic | Round | 0.089" | Split | 28555A67 | 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 | |||
Uncoated High-Speed Steel | ||||||||||||||
| 4-40 | 3/8" | 2 7/8" | 43 Ga. | 0.089" | 118° | Spiral | 2 | UNC | H2 | 1/4" | 3464A11 | 000000 | ||
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 | |||||||||||||
| 4-40 | 3/8" | 1 7/8" | 43 Ga. | 0.089" | 110° | Spiral | 2 | UNC | H2 | 2748A14 | 000000 | ||
Titanium Nitride (TiN)-Coated High-Speed Steel | |||||||||||||
| 4-40 | 3/8" | 1 7/8" | 43 Ga. | 0.089" | 118° | Spiral | 2 | UNC | H2 | 2748A81 | 00000 | ||
Depth-Limiting Drill Stops
![]() |
For Drill Bit Size | For Drill Bit Size Decimal Equiv. | Overall Lg. | OD | Hex Key Size for Set Screw | Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|
For Wire Gauge Drill Bits | |||||||||
| 43 Ga. | 0.0890" | 1/2" | 3/8" | 3/32" | Steel | 8865A114 | 00000 | ||
M2 High-Speed Tool Steel Rod Sets
Includes | No. of Pieces | Dia. Tolerance | Mechanical Finish | Each | ||
|---|---|---|---|---|---|---|
| Sizes 1-60 and a metal index case | 60 | -0.0002" to 0" | Precision Ground | 2952A6 | 0000000 |
Extensions for Round-Shank Drill Bits
Undersized Hardened Multipurpose M2 High-Speed Tool Steel Rods
Dia. | Dia. Tolerance | Drill Bit Size | Lg. | Yield Strength | Hardness | Mechanical Finish | Each | ||
|---|---|---|---|---|---|---|---|---|---|
| 0.089" | -0.0002" to 0" | 43 Ga. | 2 1/4" | Not Rated | Rockwell C60 (Extra Hard) | Precision Ground | 3009A257 | 00000 |































