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System of Measurement System of Measurement |
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Shank Type Shank Type |
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Round | Morse Taper |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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For Use On For Use On |
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Material Material |
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Finish Finish |
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Bit Style Bit Style |
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![]() | Spiral Flute |
Flute Direction Flute Direction |
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Right Hand |
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Left Hand |
Point Style Point Style |
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Standard |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Individual/Set Individual/Set |
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Morse Taper Diameter Morse Taper Diameter |
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Morse Taper Number Morse Taper Number |
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Point Angle Point Angle |
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Length Class Length Class |
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![]() | Jobbers' Length |
Shank Size Shank Size |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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High-Speed Steel Morse Taper-Shank Drill Bits

Install the Morse taper shank directly into the tapered spindle on machines such as drill presses and lathes.
Morse Taper | |||||||||||
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Size | Decimal Size Equivalent | No. | Dia. | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | Specifications Met | For Use On | Each | |
Metric | |||||||||||
Black-Oxide High-Speed Steel | |||||||||||
18.5 mm | 0.728" | 2 | 0.7" | 223mm | 74mm | Morse Taper | Standard | DIN 345 | Steel, Iron, Stainless Steel | 0000000 | 000000 |
High-Speed Steel Left-Hand Drill Bits

Black Oxide
Also known as reverse-flute bits, the flutes spiral in the opposite direction of other bits. Use in counterclockwise drilling applications such as removing broken screws. These bits are jobbers' length and 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.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
10.0 mm | 0.3937" | 133mm | 74mm | Round | 10mm | Standard | Steel, Iron, Stainless Steel | DIN 338 | 00000000 | 000000 |