Home > Products > HSS Drill Bit > GOST 14952-75 Type B HSS Center Drill Bit
GOST 14952-75 Type B HSS Center Drill Bit
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Product Details
| Place of Origin | Jiangsu, China | Brand Name | TONGYU | |
| Model Number | TY10-GOST4 | Type | Other, Twist Drill Bit, A | |
| Material | High Speed Steel | Use | Metal Drilling |
Product Description
Specifications
1.High speed steel Material.2.Strict heat treatment
3.Precisely Processing.
GOST 14952-75 Type B Combined Center Drill Bit
Specification:
| 1. Standard: | OST 14952-75 (DIN standard is also available) |
| 2. Material: | HSS 4241(W4Mo2Cr4V), HSS 4341(W4Mo3Cr4V), HSS 6542(W6Mo5Cr4V2), M35 (W6Mo5Cr4V2Co5) |
| 3. Hardness: | HSS4241: HRC59-61, HSS4341:HRC63-64, HSS 6542:64-65, HSS M35:HRC 66-67 |
| 4. Processing: | Milled/Fully ground |
5. Point angle | 120 degree |
6. Surface finishing: | Bright finishing;Tin-coated |
| 7.Application: | can be used in lathes to make centre holes. |
8. Size:
Ø1 | Ø2 | L1 | L2 |
| MM | MM | MM | MM |
| 1 | 4 | 37.5 | 1.9 |
| 1.25 | 5 | 42 | 2.2 |
| 1.6 | 6.3 | 47 | 2.8 |
| 2 | 8 | 52.5 | 3.3 |
| 2.5 | 10 | 59 | 4.1 |
| 3.15 | 11.2 | 63 | 4.9 |
| 4 | 14 | 70 | 6.2 |
| 5 | 18 | 78 | 7.5 |
| 6.3 | 20 | 83 | 9.2 |
| 8 | 25 | 103 | 11.5 |
| 10 | 31.5 | 128 | 14.2 |
The quality of HSS tools are basically decided by HSS raw material and heat treatment. We can keep a strict control of these procedure.
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Contact Us
- Danyang Tongyu Tools Co., Ltd.
- Contact nameDavid Yu Chat Now
- Phone0086-511-86325949
- AddressRm. 5, Bldg. 05, Binjiang New City, Houxiang, Danbei Town
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