Drill Bit Decimal Size Equivalents
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About Drill Bits
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Extended-Length Carbide-Tipped Drill Bits
Access hard-to-reach spots and drill deep holes. More wear resistant than cobalt steel and high-speed steel, these carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 1/8" | 0.125" | 5 1/8" | 2.44" | Round | 1/8" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 9/64" | 0.1406" | 5 3/8" | 2.65" | Round | 9/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 5/32" | 0.1563" | 5 3/8" | 2.61" | Round | 5/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 11/64" | 0.1719" | 5 3/4" | 2.95" | Round | 11/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 3/16" | 0.1875" | 5 3/4" | 2.91" | Round | 3/16" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 13/64" | 0.2031" | 6" | 3.12" | Round | 13/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 7/32" | 0.2188" | 6" | 3.08" | Round | 7/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 15/64" | 0.2344" | 6 1/8" | 3.16" | Round | 15/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 1/4" | 0.25" | 6 1/8" | 3.13" | Round | 1/4" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 17/64" | 0.2656" | 6 1/4" | 3.34" | Round | 17/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 9/32" | 0.2813" | 6 1/4" | 3.31" | Round | 9/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 5/16" | 0.3125" | 6 3/8" | 3.38" | Round | 5/16" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 11/32" | 0.3438" | 6 1/2" | 3.44" | Round | 11/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 23/64" | 0.3594" | 6 3/4" | 3.53" | Round | 23/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 3/8" | 0.375" | 6 3/4" | 3.5" | Round | 3/8" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 13/32" | 0.4063" | 7" | 3.56" | Round | 13/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 27/64" | 0.4219" | 7 1/4" | 3.78" | Round | 27/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 7/16" | 0.4375" | 7 1/4" | 3.75" | Round | 7/16" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 1/2" | 0.5" | 7 3/4" | 4" | Round | 1/2" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 33/64" | 0.5156" | 8" | 3.98" | Round | 33/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 17/32" | 0.5313" | 8" | 3.95" | Round | 17/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 9/16" | 0.5625" | 8 1/4" | 4.03" | Round | 9/16" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 39/64" | 0.6094" | 8 3/4" | 3.96" | Round | 39/64" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 5/8" | 0.625" | 8 3/4" | 3.94" | Round | 5/8" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 21/32" | 0.6563" | 9" | 4.14" | Round | 21/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 11/16" | 0.6875" | 9 1/4" | 4.34" | Round | 11/16" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 23/32" | 0.7188" | 9 1/2" | 4.55" | Round | 23/32" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 3/4" | 0.75" | 9 3/4" | 4.75" | Round | 3/4" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 13/16" | 0.8125" | 10" | 4.91" | Round | 13/16" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 7/8" | 0.875" | 10" | 4.81" | Round | 7/8" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 1" | 1" | 11" | 4.88" | Round | 1" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
Metric | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 5.0 mm | 0.1969" | 152mm | 79mm | Round | 5mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 5.5 mm | 0.2165" | 152mm | 79mm | Round | 5.5mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 6.0 mm | 0.2362" | 156mm | 81mm | Round | 6mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 6.5 mm | 0.2559" | 159mm | 83mm | Round | 6.5mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 7.0 mm | 0.2756" | 159mm | 83mm | Round | 7mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 8.0 mm | 0.315" | 162mm | 86mm | Round | 8mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 8.5 mm | 0.3346" | 165mm | 86mm | Round | 8.5mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 9.0 mm | 0.3543" | 171mm | 88mm | Round | 9mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 10.0 mm | 0.3937" | 178mm | 90mm | Round | 10mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 11.0 mm | 0.4331" | 184mm | 96mm | Round | 11mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 12.0 mm | 0.4724" | 191mm | 96mm | Round | 12mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 14.0 mm | 0.5512" | 210mm | 99mm | Round | 14mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 000000 |
| 14.5 mm | 0.5709" | 222mm | 99mm | Round | 14.5mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 000000 |
| 18.0 mm | 0.7087" | 241mm | 115mm | Round | 18mm | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 000000000 | 000000 |