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System of Measurement System of Measurement |
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Size Size | Show |
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Size Size | Hide |
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Decimal Size Equivalent Decimal Size Equivalent |
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Point Style Point Style |
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Standard |
For Maximum Material Thickness For MaximumMaterial Thickness |
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Number of Sizes Number of Sizes |
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Shank Type Shank Type |
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Hex | Morse Taper |
Bit Style Bit Style |
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Spiral Flute | Multidiameter |
Shank Size Shank Size |
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Material Material |
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Finish Finish |
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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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Flute Direction Flute Direction |
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Right Hand |
Maximum Drilling Depth Maximum Drilling Depth |
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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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Specifications Met Specifications Met |
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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 | |||||||||||
34.0 mm | 1.339" | 4 | 1.231" | 339mm | 136mm | Morse Taper | Standard | DIN 345 | Steel, Iron, Stainless Steel | 0000000 | 0000000 |
High-Speed Steel Multidiameter Drill Bits

Uncoated
Steps with progressively larger diameters let you drill a range of sizes with one bit. Also known as step drills.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
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Size | Decimal Size Equivalent | No. of Sizes | Overall Lg. | For Max. Material Thick. | Type | Size | Point Style | For Use On | Each | |
Metric | ||||||||||
Uncoated High-Speed Steel | ||||||||||
20.0 mm, 22.0 mm, 24.0 mm, 26.0 mm, 28.0 mm, 30.0 mm, 32.0 mm, 34.0 mm | 0.7874", 0.8661", 0.9449", 1.0236", 1.1024", 1.1811", 1.2598", 1.3386" | 8 | 54mm | 5mm | Hex | 11.1mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |