System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent |
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Material Material |
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Finish Finish |
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Point Style Point Style |
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Standard |
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Four Facet |
Length Class Length Class |
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![]() | Jobbers' Length |
Flute Direction Flute Direction |
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Right Hand |
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Left Hand |
Individual/Set Individual/Set |
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Shank Type Shank Type |
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Bit Style Bit Style |
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![]() | Spiral Flute |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Drill Bits


These jobbers'-length bits have the rigidity and length required for most applications.
For technical drawings and 3-D models, click on a part number.
Shank | Each | ||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Metric | |||||||||
Uncoated High-Speed Steel | |||||||||
0.35 mm | 0.0138" | 19mm | 4.8mm | Round | 0.35mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
0.36 mm | 0.0142" | 19mm | 4.8mm | Round | 0.36mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.38 mm | 0.015" | 19mm | 4.8mm | Round | 0.38mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.40 mm | 0.0157" | 19mm | 4.8mm | Round | 0.4mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.42 mm | 0.0165" | 22mm | 4.8mm | Round | 0.42mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.44 mm | 0.0173" | 22mm | 4.8mm | Round | 0.44mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.45 mm | 0.0177" | 22mm | 4.8mm | Round | 0.45mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.46 mm | 0.0181" | 22mm | 4.8mm | Round | 0.46mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.48 mm | 0.0189" | 22mm | 4.8mm | Round | 0.48mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
0.50 mm | 0.0197" | 22mm | 4.8mm | Round | 0.5mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
Quick-Change Carbide Drill Bits

Make fast bit changes—all of these bits have the same shank diameter, eliminating the need for different collets to hold each size. Made of solid carbide for the highest accuracy and longest tool life, they are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits. They retain a sharp, hard edge at high temperatures for the best performance on hard and abrasive material. These bits require rigid toolholding to prevent breakage and should not be used in handheld drilling. All are jobbers’ length so they have the rigidity and length required for most applications.
Drill bits with a four-facet point keep centered without a pilot hole.
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 | Each | |
Metric | |||||||||
Uncoated Carbide | |||||||||
0.35 mm | 0.0138" | 38mm | 4.8mm | Round | 3.175mm | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
0.40 mm | 0.0157" | 38mm | 4.8mm | Round | 3.175mm | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
High-Speed Steel Left-Hand Drill Bits

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.
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 | ||||||||||
Uncoated High-Speed Steel | ||||||||||
1.2 mm | 0.0472" | 38mm | 4.8mm | Round | 1.2mm | Standard | Steel, Iron, Stainless Steel | DIN 338 | 000000000 | 000000 |