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About Drill Bits
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Compare material, finish, length class, and decimal size equivalents.
Reduced-Shank High-Speed Steel Drill Bits
 |
Jobbers' Length |
 |
Extended Length |
 |
Standard |
Cut large holes with drill presses and portable drills that have a standard-size chuck. The shank on these bits has a smaller diameter than the cutting tip. High-speed steel is good for general purpose drilling in most metals. Also known as Silver and Deming bits.
Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
Extended Length—Drill through panels and thick workpieces with our longest bits. Their length is good for creating deep holes but makes them less rigid than other bits. As a result, they are more prone to wobbling or breaking, especially when drilling hard materials.
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 | |||
Jobbers' Length | |||||||||||
Black Oxide | |||||||||||
| 59/64" | 0.9219" | 6" | 2.1" | Reduced Round | 1/2" | Standard | Chicago-Latrobe | 2933A65 | 000000 | ||
| 59/64" | 0.9219" | 6" | 2.1" | Reduced Round/3-Flat | 1/2" | Standard | Chicago-Latrobe | 29415A49 | 00000 | ||
Extended Length | |||||||||||
Black Oxide | |||||||||||
| 59/64" | 0.9219" | 12" | 9" | Reduced Round | 1/2" | Standard | Republic Drill | 2464A29 | 000000 | ||
| 59/64" | 0.9219" | 18" | 12" | Reduced Round | 1/2" | Standard | Republic Drill | 2464A59 | 000000 | ||
High-Speed Steel Drill Bits
 | |
Jobbers' Length Morse Taper Shank | Standard |
Our basic drill bits are also the most versatile. Cut holes in a variety of metals, from the softest aluminum to the hardest steel.
Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
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 | |||
Jobbers' Length | |||||||||||
Black Oxide | |||||||||||
| 59/64" | 0.9219" | 10 3/4" | 4.74" | Morse Taper | Morse 3 | Standard | Chicago-Latrobe | 2929A427 | 0000000 | ||
Reduced-Shank Cobalt Steel Drill Bits
 |
Jobbers' Length |
 |
Split |
More wear resistant than high-speed steel, these bits cut large holes with tools that have a standard-size chuck. The shank has a smaller diameter than the cutting tip and fits drill presses and portable drills. Cobalt steel bits last at least twice as long as high-speed steel. They can also run up to 25% faster at higher temperatures without being damaged on hard materials such as nickel. Also known as Silver and Deming bits.
Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
Uncoated—Polished to eject chips, these are also known as bright finish bits.
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Mfr. | Each | |||
Jobbers' Length | |||||||||||
Uncoated | |||||||||||
| 59/64" | 0.9219" | 6" | 2.1" | Reduced Round | 1/2" | Split | Chicago-Latrobe | 8939A56 | 0000000 | ||
Impact Wrench Taps
 |  |
Thread holes 15 times faster than by hand. Made with an oversized shank and hardened high-speed steel, these taps are built to handle the high torque of impact wrenches to cut material quickly. Your wrench’s rapid hammering keeps these taps moving forward for smooth, continuous cutting. Those rapid blows also help break and clear chips as you cut, so you don’t need to pause and reverse, even in large holes and tough materials. This also means the tap is less likely to jam on chips and snap.
You’ll need a VersaDrive chuck (sold separately) to install these taps into your impact wrench. You can also get chucks for impact drivers (sold separately).
Titanium Nitride (TiN) Coated—Run at higher speeds and last twice as long as uncoated taps.
Taper Chamfer—Good for both starting holes and threading through holes. These taps have the longest taper to gradually engage with the material, reducing the force needed to turn them. They can't reach the bottom of blind holes, however, so you will likely need to finish with a bottoming-chamfer tap.
Drill Bit | Shank | Taper Chamfer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Thread Lg. | Overall Lg. | Thread Type | No. of Flutes | Size | Decimal Size Equiv. | Type | Size | Mfr. | Each | |||
Hardened High-Speed Steel | |||||||||||||
Titanium Nitride (TiN) Coated | |||||||||||||
| 1"-12 | 1 3/4" | 4 11/32" | UNF | 4 | 59/64" | 0.9219" | VersaDrive Hex | 7/16" | Holemaker Technology | 9618N41 | 0000000 | ||
 |
Quick-Change |
 |
Strong-Hold |
These chucks mount directly onto the square drive of your impact wrench. They work with any tool with a VersaDrive hex shank, so you don’t need to swap chucks to use drill bits, reamers, and other tools.
Quick-Change Pull-Back Tool Release—Require just one hand to load. Push your tool in the chuck until you hear the ball detents click into place. To remove your tool, pull back the collar.
Strong-Hold Push-Forward Tool Release—Hold cutting tools more securely than quick-change chucks. To insert and remove cutting tools, you must push a collar forward. Since impact force drives your cutting tool the opposite way, it can’t come loose from the chuck while you work.
Manganese Phosphate-Coated Steel—The coating on these chucks prevents rust.
For Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
For Square Drive Size | Type | Size | Overall Lg. | Material | Includes | Each | |||
Quick-Change Pull-Back Tool Release | |||||||||
| 1/2" | VersaDrive Hex | 7/16" | 2 5/32" | Black-Oxide Steel | Retaining Ring, Retention Pin | 9589N112 | 000000 | ||
Strong-Hold Push-Forward Tool Release | |||||||||
| 3/8" | VersaDrive Hex | 7/16" | 2" | Manganese Phosphate-Coated Steel | Retaining Ring, Retention Pin | 9589N111 | 000000 | ||
| 1/2" | VersaDrive Hex | 7/16" | 2 5/32" | Manganese Phosphate-Coated Steel | Retaining Ring, Retention Pin | 9589N113 | 000000 | ||
| 3/4" | VersaDrive Hex | 7/16" | 2 3/8" | Manganese Phosphate-Coated Steel | Retaining Ring, Retention Pin | 9589N114 | 000000 | ||
 |
Extend your cutting tool’s reach. These extensions attach to your chuck and accept any tool with a VersaDrive hex shank.
