Long Cobalt Drill Bits
DIN340 HSS CO 5% M35 Long Twist Drill Bits for Stainless Steel Cast Iron
- It also features a twisted spiral design that easy to remove sawdust and iron filings.
- Made of high-quality material and finished with a fine polish, this drill bit is built to last.
- They are compatible with many electric drills and drilling machines.
- Making it perfect for any drilling job.
- it’s the perfect drill bit for wood, aluminum, plastic, and hard metals.
- Product Details
- Factory
- Material
| Product Description | |
| More Choice For You: Home > Cobalt Drill Bit | |
| Product Name | DIN340 HSS CO 5% M35 Long Twist Drill Bits for Stainless Steel Cast Iron |
| 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 | |||||
| DIN1869 R1 RN | |||||
| Diameter (mm) | Flute Length (mm) | Overall Length (mm) | Diameter (mm) | Flute Length (mm) | Overall Length (mm) |
| 2.0 | 85 | 125 | 8.0 | 165 | 240 |
| 2.5 | 95 | 140 | 8.5 | 165 | 240 |
| 3.0 | 100 | 150 | 9.0 | 175 | 250 |
| 3.5 | 115 | 165 | 9.5 | 175 | 250 |
| 4.0 | 120 | 175 | 10.0 | 185 | 265 |
| 4.5 | 125 | 185 | 10.5 | 185 | 265 |
| 5.0 | 135 | 195 | 11.0 | 195 | 280 |
| 5.5 | 140 | 205 | 11.5 | 195 | 280 |
| 6.0 | 140 | 205 | 12.0 | 205 | 295 |
| 6.5 | 150 | 215 | 12.5 | 205 | 295 |
| 7.0 | 155 | 225 | 13.0 | 205 | 295 |
| 7.5 | 155 | 225 | |||
| DIN1869 R2 RN | |||||
| Diameter (mm) | Flute Length (mm) | Overall Length (mm) | Diameter (mm) | Flute Length (mm) | Overall Length (mm) |
| 3.0 | 130 | 190 | 8.5 | 210 | 305 |
| 3.5 | 145 | 210 | 9.0 | 220 | 320 |
| 4.0 | 150 | 220 | 9.5 | 220 | 320 |
| 4.5 | 160 | 235 | 10.0 | 235 | 340 |
| 5.0 | 170 | 245 | 10.5 | 235 | 340 |
| 5.5 | 180 | 260 | 11.0 | 250 | 365 |
| 6.0 | 180 | 260 | 11.5 | 250 | 365 |
| 6.5 | 190 | 275 | 12.0 | 260 | 375 |
| 7.0 | 200 | 290 | 12.5 | 260 | 375 |
| 7.5 | 200 | 290 | 13.0 | 260 | 375 |
| 8.0 | 210 | 305 | |||
| DIN1869 R3 RN | |||||
| Diameter (mm) | Flute Length (mm) | Overall Length (mm) | Diameter (mm) | Flute Length (mm) | Overall Length (mm) |
| 3.5 | 180 | 265 | 8.5 | 265 | 390 |
| 4.0 | 190 | 280 | 9.0 | 280 | 410 |
| 4.5 | 200 | 295 | 9.5 | 280 | 410 |
| 5.0 | 210 | 315 | 10.0 | 295 | 430 |
| 5.5 | 225 | 330 | 10.5 | 295 | 430 |
| 6.0 | 225 | 330 | 11.0 | 310 | 455 |
| 6.5 | 235 | 350 | 11.5 | 310 | 455 |
| 7.0 | 250 | 370 | 12.0 | 330 | 480 |
| 7.5 | 250 | 370 | 12.5 | 330 | 480 |
| 8.0 | 265 | 390 | 13.0 | 330 | 480 |
| Aircraft Extension (6″, 12″) | |||||
| Diameter (mm) | Flute Length (mm) | Overall Length (mm) | Diameter (mm) | Flute Length (mm) | Overall Length (mm) |
| 1/16″ | 7/8″ | 6″/12″ | 1/4″ | 2-3/4″ | 6″/12″ |
| 5/64″ | 1″ | 6″/12″ | 17/64″ | 2-7/8″ | 6″/12″ |
| 3/32″ | 1-1/4″ | 6″/12″ | 9/32″ | 2-15/16″ | 6″/12″ |
| 7/64″ | 1-1/2″ | 6″/12″ | 19/64″ | 3-1/16″ | 6″/12″ |
| 1/8″ | 1-5/8″ | 6″/12″ | 5/16″ | 2-2/16″ | 6″/12″ |
| 9/64″ | 1-3/4″ | 6″/12″ | 21/64″ | 3-5/16″ | 6″/12″ |
| 5/32″ | 2″ | 6″/12″ | 11/32″ | 3-7/16″ | 6″/12″ |
| 11/64″ | 2-1/8″ | 6″/12″ | 23/64″ | 3-1/2″ | 6″/12″ |
| 3/16″ | 2-5/16″ | 6″/12″ | 3/8″ | 3-5/8″ | 6″/12″ |
| 13/64″ | 2-7/16″ | 6″/12″ | 7/16″ | 4-1/16″ | 6″/12″ |
| 7/32″ | 2-1/2″ | 6″/12″ | 1/2″ | 4-1/2″ | 6″/12″ |
| 15/64″ | 2-5/8″ | 6″/12″ | |||
| * Custom-tailor would be available against customers’ requirements | |||||
Hss twist drill bits, black and gold surface provide a protection to prevent rusty. Drilling accurate without a center punch tool, it can drill in general metal drilling. 135 degree split point eliminate drill walking on work-pieces. High quality guarantee hss twist drill bits!
- Material: M2 HSS 6542
- Surface: Black & Gold
- Use: Metal Drilling
Hss twist drill bits for drilling on copper, stainless steel, iron and other materials.
Hss twist Drill Bits use long life, Factory price.
- Surface: Black and Gold
- Material: M2 HSS 6542
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