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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 |
 |
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.
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 | Each | |||
Jobbers' Length | ||||||||||
Black Oxide | ||||||||||
| 1 9/16" | 1.5625" | 6" | 2.1" | Reduced Round | 3/4" | Standard | 8772A21 | 0000000 | ||
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 | Each | |||
Jobbers' Length | ||||||||||
Black Oxide | ||||||||||
| 1 9/16" | 1.5625" | 16 5/8" | 7.28" | Morse Taper | Morse 5 | Standard | 2929A612 | 0000000 | ||
Reduced-Shank Cobalt Steel Drill Bits
 |  |
Jobbers' Length | Split |
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Type | Size | Drill Bit Point Type | Each | |||
Jobbers' Length | ||||||||||
Uncoated | ||||||||||
| 1 9/16" | 1.5625" | 6" | 3" | Reduced Round | 3/4" | Split | 8814A54 | 0000000 | ||
Fast-Cutting Smooth-Finish Drill Bits for Wood
 |
Round Shank Standard Point |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Uncoated | |||||||||
Round Shank | |||||||||
| 1 9/16" | 1.5625" | 6" | 4" | 1/2" | Standard | 2890A29 | 000000 | ||
Tight-Tolerance Water-Hardening W1 Tool Steel Rods
 |
Ready for turning in your lathe, these rods are precision ground and held to strict diameter and straightness tolerances. Also known as drill rod. With far less alloy content than other tool steel, W1 is the most machinable we offer. These rods are often used to make hammers, files, and reamers—tools that don't require the dimensional stability of A2 or O1. These rods are also decarb-free, which means any surface flaws created during the manufacturing process have been removed. This makes them even more machinable and leads to better results from heat treating or finishing. Heat treat the surface for extra wear resistance. Or, quench this steel in water to boost its hardness and strength, giving it a sharper, more durable edge for small tools.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Drill Bit Size | Fabrication | Heat Treatment | Yield Strength, psi | Mechanical Finish | Hardness | Max. Hardness After Heat Treatment | Specs. Met | 1 ft. Long | 3 ft. Long | 6 ft. Long | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.5625" | -0.001" to 0.001" | 1 9/16" | Hot Rolled | Annealed | 50,000 | Precision Ground | Rockwell B95 (Medium) | Rockwell C65 | ASTM A686 | 8890K201 | 000000 | 0000000 | 0000000 |
