Hss Co Drill Bits
DIN338 M35 Material Co5% Hss Cobalt Drill Bits for Hard Metal
- This bit is made from M35 grade cobalt steel, meaning it’s built to last.
- Making it one of the most durable bits on the market.
- It can also be used on softer materials like wood and aluminum alloy.
- Precision ground surface ensures smooth and accurate drilling.
- Feature a fast and sharp cutting action
- Product Details
- Factory
- Material
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Product Description |
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| More Choice For You: Home > Cobalt Drill Bit | |
| Product Name | DIN338 M35 Material Co5% Hss Cobalt Drill Bits for Hard Metal |
| Size | 1-13mm |
| Material | M35 (Co5%), M42 (Co8%) |
| Flute Type | Single Flute |
| Shank | Round Shank (We also Have Reduced Shank, Taper Shank, Hex Shank) |
| Surface Finish | Amber (We also have Black Oxide) |
| Package | 10 or 5pcs in One Plastic Box |
| Product Size | |||||
| DIN338 | |||||
| Diameter(mm) | Flute Length(mm) | Overall Length(mm) | Diameter(mm) | Flute Length(mm) | Overall Length(mm) |
| 0.5 | 6 | 22 | 9.5 | 81 | 125 |
| 1.0 | 12 | 34 | 10.0 | 87 | 133 |
| 1.5 | 20 | 43 | 10.5 | 87 | 133 |
| 2.0 | 24 | 49 | 11.0 | 94 | 142 |
| 2.5 | 30 | 57 | 11.5 | 94 | 142 |
| 3.0 | 33 | 61 | 12.0 | 101 | 151 |
| 3.2 | 36 | 65 | 12.5 | 101 | 151 |
| 3.5 | 39 | 70 | 13.0 | 101 | 151 |
| 4.0 | 43 | 75 | 13.5 | 108 | 160 |
| 4.2 | 43 | 75 | 14.0 | 108 | 160 |
| 4.5 | 47 | 80 | 14.5 | 114 | 169 |
| 4.8 | 52 | 86 | 15.0 | 114 | 169 |
| 5.0 | 52 | 86 | 15.5 | 120 | 178 |
| 5.2 | 52 | 86 | 16.0 | 120 | 178 |
| 5.5 | 57 | 93 | 16.5 | 125 | 184 |
| 6.0 | 57 | 93 | 17.0 | 125 | 184 |
| 6.5 | 63 | 101 | 17.5 | 130 | 191 |
| 7.0 | 69 | 109 | 18.0 | 130 | 191 |
| 7.5 | 69 | 109 | 18.5 | 135 | 198 |
| 8.0 | 75 | 117 | 19.0 | 135 | 198 |
| 8.5 | 75 | 117 | 19.5 | 140 | 205 |
| 9.0 | 81 | 125 | 20.0 | 140 | 205 |
| Jobber Length Fraction | |||||
| Diameter (Inch) | Flute Length(Inch) | Overall Length(mm) | Diameter (Inch) | Flute Length(Inch) | Overall Length(mm) |
| 3/64″ | 3/4″ | 1-3/4″ | 25/64″ | 3-3/4″ | 5-1/8″ |
| 1/16″ | 7/8″ | 1-7/8″ | 13/32″ | 3-7/8″ | 5-1/4″ |
| 5/64″ | 1″ | 2″ | 27/64″ | 3-15/16″ | 5-3/8″ |
| 3/32″ | 1-1/8″ | 2-1/4″ | 7/16″ | 4-1/16″ | 5-1/2″ |
| 7/64″ | 1-1/2″ | 2-5/8″ | 29/64″ | 4-3/16″ | 5-5/8″ |
| 1/8″ | 1-5/8″ | 2-3/4″ | 15/32″ | 4-5/16″ | 5-3/4″ |
| 9/64″ | 1-3/4″ | 2-7/8″ | 31/64″ | 4-3/8″ | 5-7/8″ |
| 5/32″ | 2″ | 3-1/8″ | 1/2″ | 4-1/2″ | 6″ |
| 11/64″ | 2-1/8″ | 3-1/4″ | 33/64″ | 4-13/16″ | 6-5/8″ |
| 3/16″ | 2-5/16″ | 3-1/2″ | 17/32″ | 4-13/16″ | 6-5/8″ |
| 13/64″ | 2-7/16″ | 3-5/8″ | 35/64″ | 4-13/16″ | 6-5/8″ |
| 7/32″ | 2-1/2″ | 3-3/4″ | 9/16″ | 4-13/16″ | 6-5/8″ |
| 15/64″ | 2-5/8″ | 3-7/8″ | 37/64″ | 4-13/16″ | 6-5/8″ |
| 1/4″ | 2-3/4″ | 4″ | 19/32″ | 5-3/16″ | 7-1/8″ |
| 17/64″ | 2-7/8″ | 4-1/8″ | 39/64″ | 5-3/16″ | 7-1/8″ |
| 9/32″ | 2-15/16″ | 4-1/4″ | 5/8″ | 5-3/16″ | 7-1/8″ |
| 19/64″ | 3-1/16″ | 4-3/8″ | 41/64″ | 5-3/16″ | 7-1/8″ |
| 5/16″ | 3-3/16″ | 4-1/2″ | 21/32″ | 5-3/16″ | 7-1/8″ |
| 21/64″ | 3-5/16″ | 4-5/8″ | 43/64″ | 5-5/8″ | 7-5/8″ |
| 11/32″ | 3-7/16″ | 4-3/4″ | 11/16″ | 5-5/8″ | 7-5/8″ |
| 23/64″ | 3-1/2″ | 4-7/8″ | |||
| 3/8″ | 3-5/8″ | 5″ | |||
| Jobber Length Number | |||||
| Diameter | Flute Length(Inch) | Overall Length(mm) | Diameter | Flute Length(Inch) | Overall Length(mm) |
| 1# | 2-5/8″ | 3-7/8″ | 31″ | 1-5/8″ | 2-3/4″ |
| 2# | 2-5/8″ | 3-7/8″ | 32″ | 1-5/8″ | 2-3/4″ |
| 3# | 2-1/2″ | 3-3/4″ | 33″ | 1-1/2″ | 2-5/8″ |
| 4# | 2-1/2″ | 3-3/4″ | 34″ | 1-1/2″ | 2-5/8″ |
| 5# | 2-1/2″ | 3-3/4″ | 35″ | 1-1/2″ | 2-5/8″ |
| 6# | 2-1/2″ | 3-3/4″ | 36″ | 1-7/16″ | 2-1/2″ |
| 7# | 2-7/16″ | 3-5/8″ | 37″ | 1-7/16″ | 2-1/2″ |
| 8# | 2-7/16″ | 3-5/8″ | 38″ | 1-7/16″ | 2-1/2″ |
| 9# | 2-7/16″ | 3-5/8″ | 39″ | 1-3/8″ | 2-3/8″ |
| 10# | 2-7/16″ | 3-5/8″ | 40″ | 1-3/8″ | 2-3/8″ |
| 11# | 2-5/16″ | 3-1/2″ | 41″ | 1-3/8″ | 2-3/8″ |
| 12# | 2-5/16″ | 3-1/2″ | 42″ | 1-1/4″ | 2-1/4″ |
| 13# | 2-5/16″ | 3-1/2″ | 43″ | 1-1/4″ | 2-1/4″ |
| 14# | 2-3/16″ | 3-3/8″ | 44″ | 1-1/8″ | 2-1/8″ |
| 15# | 2-3/16″ | 3-3/8″ | 45″ | 1-1/8″ | 2-1/8″ |
| 16# | 2-3/16″ | 3-3/8″ | 46″ | 1-1/8″ | 2-1/8″ |
| 17# | 2-3/16″ | 3-3/8″ | 47″ | 1″ | 2″ |
| 18# | 2-1/8″ | 3-1/4″ | 48″ | 1″ | 2″ |
| 19# | 2-1/8″ | 3-1/4″ | 49″ | 1″ | 2″ |
| 20# | 2-1/8″ | 3-1/4″ | 50″ | 1″ | 2″ |
| 21# | 2-1/8″ | 3-1/4″ | 51″ | 1″ | 2″ |
| 22# | 2″ | 3-1/8″ | 52″ | 7/8″ | 1-7/8″ |
| 23# | 2″ | 3-1/8″ | 53″ | 7/8″ | 1-7/8″ |
| 24# | 2″ | 3-1/8″ | 54″ | 7/8″ | 1-7/8″ |
| 25# | 1-7/8″ | 3″ | 55″ | 7/8″ | 1-7/8″ |
| 26# | 1-7/8″ | 3″ | 56″ | 3/4″ | 1-3/4″ |
| 27# | 1-7/8″ | 3″ | 57″ | 3/4″ | 1-3/4″ |
| 28# | 1-3/4″ | 2-7/8″ | 58″ | 11/16″ | 1-5/8″ |
| 29# | 1-3/4″ | 2-7/8″ | 59″ | 11/16″ | 1-5/8″ |
| 30# | 1-5/8″ | 2-3/4″ | 60″ | 11/16″ | 1-5/8″ |
| Jobber Length Letter | |||||
| Diameter | Flute Length(Inch) | Overall Length(mm) | Diameter (Inch) | Flute Length(Inch) | Overall Length(mm) |
| A | 2-5/8″ | 3-7/8″ | N | 3-1/16″ | 4-3/8″ |
| B | 2-3/4″ | 4″ | O | 4-1/2″ | 4-1/2″ |
| C | 2-3/4″ | 4″ | P | 4-5/8″ | 4-5/8″ |
| D | 2-3/4″ | 4″ | Q | 4-3/4″ | 4-3/4″ |
| E | 2-3/4″ | 4″ | R | 4-3/4″ | 4-3/4″ |
| F | 2-7/8″ | 4-1/8″ | S | 4-7/8″ | 4-7/8″ |
| G | 2-7/8″ | 4-1/8″ | T | 4-7/8″ | 4-7/8″ |
| H | 2-7/8″ | 4-1/8″ | U | 5″ | 5″ |
| I | 2-7/8″ | 4-1/8″ | V | 3-5/8″ | 5″ |
| J | 2-7/8″ | 4-1/8″ | W | 3-3/4″ | 5-1/8″ |
| K | 2-15/16″ | 4-1/4″ | X | 3-3/4″ | 5-1/8″ |
| L | 2-15/16″ | 4-1/4″ | Y | 3-7/8″ | 5-1/4″ |
| M | 3-1/16″ | 4-3/8″ | Z | 3-7/8″ | 5-1/4″ |
| * Custom-tailor would be available against customers’ requirements | |||||
HSS cobalt drill bits are more expensive than other drill bits, but it can drilling for a long lifetime, 135 point can easily drill on the metal prevent walking. High regrind, high hardness, high sharpness!
Best Cobalt Drill Bits can drill into stainless steel, iron, aluminum and other hard materials.
135 degree split point no need center punch tool, the ultimate in accuracy and performance.
High Speed Steel (HSS) Cobalt
We will tell you about why cobalt drill bit is the best for stainless steel, please click here!
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