
Features
1. Spiral groove design, easy chip removal, not easy to stick to the knife, to achieve high efficiency machining workpiece higher precision, more glossy
2. Heat-treated toughness, wear-resistant and durable, widely used.
3. Shank chamfering layout makes clamping easier.
Product name | M35 Cobalt taper shank twist drill | Material | HSS-CO high speed steel |
Specification | 12-85mm | Product application | A3 spring steel Luo molybdenum vanadium 12CrMo H13 40R Q355B stainless steel and other materials below 30 ° hardness |

Warm tips: Measurement methods, measuring tools and other factors affect the error is normal, please prevail in kind size!
Specification | Slot length(mm) | Total length(mm) | Morse taper number | Taper C | Outer cone diameter(mm) |
10.0-10.5 | 170 | 250 | No.1 | 1:20.047 | 12.065 |
10.6-11.8 | 175 | 255 | |||
11.9-13.1 | 180 | 260 | |||
13.2-14.0 | 185 | 265 | |||
14.1-15.0 | 190 | 290 | No.2 | 1:20.020 | 17.78 |
15.1-16.0 | 195 | 295 | |||
16.1-17.0 | 200 | 300 | |||
17.1-18.0 | 205 | 305 | |||
18.1-19.0 | 210 | 310 | |||
19.1-20.0 | 220 | 320 | |||
20.1-21.0 | 230 | 330 | |||
21.1-22.3 | 235 | 335 | |||
22.4-23.0 | 240 | 340 | |||
23.1-23.5 | 240 | 360 | No.3 | 1:19.922 | 23.825 |
23.6-25.0 | 245 | 365 | |||
25.1-26.5 | 255 | 375 | |||
26.6-28.0 | 265 | 385 | |||
28.1-30.0 | 275 | 395 | |||
30.1-31.5 | 285 | 405 | |||
31.6-31.7 | 295 | 415 | |||
31.8-33.5 | 295 | 445 | No.4 | 1:19.254 | 31.267 |
33.6-35.5 | 305 | 455 | |||
35.6-37.5 | 315 | 465 | |||
37.6-40.0 | 325 | 475 | |||
40.1-42.5 | 335 | 485 | |||
42.6-45.0 | 345 | 495 | |||
45.1-47.5 | 355 | 505 | |||
47.6-50.0 | 365 | 515 | |||
50.1-50.8 | 375 | 525 |












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Q1: who are we?
A1: Founded in 2015, MSK (Tianjin) Cutting Technology CO.Ltd has grown continuously and passed Rheinland ISO 9001authentication.With German SACCKE high-end five-axis grinding centers, German ZOLLER six-axis tool inspection center, Taiwan PALMARY machine and other international advanced manufacturing equipment, we are committed to producing high-end,professional and efficient CNC tool.
Q2: Are you trading company or manufacturer
A2: We are the factory of carbide tools.
Q3: Can you send products to our Forwarder in China?
A3: Yes,if you have Forwarder in China,we will glad to send products to him/her.
Q4: What terms of payment are acceptable?
A4: Normally we accept T/T.
Q5: Do you accept OEM orders?
A5: Yes, OEM and customization are available, and we also provide label printing service.
Q6: Why should you choose us?
A6:1) Cost control - purchasing high-quality products at an appropriate price.
2) Quick response - within 48 hours, professional personnel will provide you with a quote and address your concerns.
3) High quality - The company always proves with sincere intention that the products it provides are 100% high-quality.
4) After sales service and technical guidance - The company provides after-sales service and technical guidance according to customer requirements and needs.