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About Drill Bits
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Compare material, finish, length class, and decimal size equivalents.
High-Speed Steel Drill Bits
 |
Short Length Threaded Shank |
 |
Split |
Our basic drill bits are also the most versatile. Cut holes in a variety of metals, from the softest aluminum to the hardest steel.
Short Length—The most rigid bits for drilling the straightest holes.
Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated bits.
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Short Length | |||||||||||
Black Oxide | |||||||||||
| 3/32" | 0.0938" | 3/4" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A62 | 00000 | ||
| 3/32" | 0.0938" | 1 1/4" | 0.69" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A47 | 0000 | ||
| 3/32" | 0.0938" | 2 3/8" | 0.94" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A33 | 0000 | ||
| 7/64" | 0.1094" | 3/4" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A26 | 0000 | ||
| 7/64" | 0.1094" | 1 1/4" | 0.69" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A25 | 0000 | ||
| 7/64" | 0.1094" | 2 3/8" | 0.94" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A24 | 0000 | ||
| 1/8" | 0.125" | 3/4" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A64 | 0000 | ||
| 1/8" | 0.125" | 1 1/4" | 0.69" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A49 | 0000 | ||
| 1/8" | 0.125" | 2 3/8" | 0.94" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A35 | 0000 | ||
| 9/64" | 0.1406" | 7/8" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A29 | 0000 | ||
| 9/64" | 0.1406" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A27 | 0000 | ||
| 5/32" | 0.1563" | 7/8" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A67 | 0000 | ||
| 5/32" | 0.1563" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A53 | 0000 | ||
| 5/32" | 0.1563" | 2 3/8" | 1.13" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A38 | 0000 | ||
| 11/64" | 0.1719" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A76 | 0000 | ||
| 11/64" | 0.1719" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A74 | 0000 | ||
| 3/16" | 0.1875" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A71 | 0000 | ||
| 3/16" | 0.1875" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A56 | 0000 | ||
| 3/16" | 0.1875" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A42 | 0000 | ||
| 13/64" | 0.2031" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A87 | 0000 | ||
| 7/32" | 0.2188" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A93 | 0000 | ||
| 7/32" | 0.2188" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A92 | 0000 | ||
| 1/4" | 0.25" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A73 | 0000 | ||
| 1/4" | 0.25" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A58 | 0000 | ||
| 1/4" | 0.25" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A44 | 0000 | ||
| 40 Ga. | 0.098" | 3/4" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A63 | 0000 | ||
| 40 Ga. | 0.098" | 1 1/4" | 0.69" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A48 | 0000 | ||
| 40 Ga. | 0.098" | 2 3/8" | 0.88" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A34 | 0000 | ||
| 30 Ga. | 0.1285" | 7/8" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A65 | 0000 | ||
| 30 Ga. | 0.1285" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A51 | 0000 | ||
| 30 Ga. | 0.1285" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A36 | 0000 | ||
| 27 Ga. | 0.144" | 7/8" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A66 | 0000 | ||
| 27 Ga. | 0.144" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A52 | 0000 | ||
| 27 Ga. | 0.144" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A37 | 0000 | ||
| 21 Ga. | 0.159" | 7/8" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A68 | 0000 | ||
| 21 Ga. | 0.159" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A54 | 0000 | ||
| 21 Ga. | 0.159" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A39 | 0000 | ||
| 20 Ga. | 0.161" | 7/8" | 0.44" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A69 | 0000 | ||
| 20 Ga. | 0.161" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A55 | 0000 | ||
| 20 Ga. | 0.161" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A41 | 0000 | ||
| 13 Ga. | 0.185" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A79 | 0000 | ||
| 13 Ga. | 0.185" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A78 | 0000 | ||
| 13 Ga. | 0.185" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A77 | 0000 | ||
| 12 Ga. | 0.189" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A83 | 0000 | ||
| 12 Ga. | 0.189" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A82 | 0000 | ||
| 11 Ga. | 0.191" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A86 | 0000 | ||
| 11 Ga. | 0.191" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A85 | 0000 | ||
| 10 Ga. | 0.1935" | 7/8" | 0.38" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A72 | 0000 | ||
| 10 Ga. | 0.1935" | 1 1/2" | 0.63" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A57 | 0000 | ||
| 10 Ga. | 0.1935" | 2 3/8" | 1.19" | Threaded | 1/4" | Split | Tight Fit Tools | 8824A43 | 0000 | ||
Heavy Duty Air-Powered Drills
 |
Style D |
Rated for continuous use, these tools take on your tough drilling jobs. They have heavy duty bearings and hardened steel gears.
For Threaded-Shank Drill Bits—These drills have a threaded spindle instead of a drill chuck for use with threaded-shank drill bits (sold separately).
Air Inlet | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | For Bit Shank Thread Size | Max. No-Load Rotational Speed, rpm | Drive Direction | Power, hp | Average Air Consumption @ Pressure | Pipe Size | Thread Type | Gender | Exhaust Location | Overall Lg. | Wt., lb. | Each | |||
For Threaded-Shank Drill Bits | |||||||||||||||
| D | 1/4"-28 | 2,400 | Clockwise | 2/5 | 22 ft³/min @ 90 psi | 1/4 | NPT | Female | Back | 11 3/32" | 2 | 29955A21 | 000000000 | ||
| D | 1/4"-28 | 5,300 | Clockwise | 2/5 | 22 ft³/min @ 90 psi | 1/4 | NPT | Female | Back | 10 11/16" | 2 | 29955A22 | 00000000 | ||
Tight-Clearance Right-Angle Drill Head Adapters
 |
These right-angle adapters attach to a hand-held drill to reach fasteners in confined spaces with as little as 2" of clearance. Threaded shanks pull drill bits into the workpiece, reducing the push force needed in awkward positions. The 1/4" round shaft fits standard hand-held drill chucks.
Drill Connection Shaft | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Type | Size | For Bit Shank Type | For Bit Shank Thread Size | Max. No-Load Rotational Speed, rpm | Head Ht. | Body Lg. | Each | ||
| Round | 1/4" | Threaded | 1/4"-28 | 2,500 | 1 1/8" | 7 5/16" | 8787A14 | 000000 | |
Tight-Clearance Right-Angle Drill Head Adapter Kits
 |
Kit includes a right-angle adapter and six threaded-shank high-speed drill bits. The adapter allows you to work in tight spaces with as little as 2" clearance. Connect to your hand-held drill with the 1/4" round shaft. For additional drill bit sizes, see Threaded-Shank Drill Bits.
Threaded-Shank Phillips Bits
 |
Thread these bits directly onto your driving tool for an extra-stable connection that minimizes wobbling. Phillips bits align easily with fasteners and deliver more torque than slotted bits.
Steel—Best for dry environments, since moisture will cause these bits to rust.
