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25PCS HSS Drill Bit Set
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Product Details
Place of Origin: | Jiangsu, China | Brand Name: | TONGYU | Model Number: | TY11-1.1.8.5 |
Type: | Twist Drill Bit | Material: | Other, High Speed Steel, HSS Cobalt, HSS, HSS-R | Use: | Metal Drilling |
Product Description
Specifications
1.25pcs drill bit set2.Available in HSS-Co, HSS
3 Different surface coatings are available.
4.DIN338 standard
25PCS HSS Drill Bit Set
1.25pcs drill bit set
2.Available in HSS-Co, HSS
3 Different surface coatings are available.
4.DIN338 standard
Believe it or not, there’s a drill bit make for almost every application. Using the right drill bits can make almost every any home improvement project easier.
Tongyu Tools help to determine which drill bit is the best fit for your drill and your project.
The material from which bits are manufactured play a big role in the life and performance of the bit. Drill bits are available in :
High speed steel (HSS): harder than steel blades; stay sharper longer.
HSS Cobalt: Extremely hard and dissipate heat quickly. They are most commonly used for boring in stainless steel and other metals.
We can supply the following HSS grade:
HSS GRADE | HRC | CHEMICAL COMPOSITION (%) | International | DIN | ASTM | JIS | ||||
C | W | Mo | Cr | V | ||||||
W4Mo2Cr4VSi(4241) | 60-62 | 0.9-1.0 | 1.5-2.5 | 0.5-1.2 | 3.8-6.0 | 0.5-1.0 | T-4241 | / | / | / |
W4Mo3Cr4V(W4341) | 62-65 | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.3-1.7 | 4341 | W4 | / | / |
W9Mo3Cr4V(W9341) | 63-66 | 0.77-0.87 | 8.5-9.5 | 2.7-3.3 | 3.8-4.4 | 1.3-1.7 | 9341 | W9 | / | / |
W6Mo5Cr4V2(M2) | 63-66 | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 6542 | M2 | M2 | SKH51 |
W6Mo5Cr4V2Co5(M35) | 64-67 | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | Co5% | M35 | M35 | SKH55 |
W2Mo9Cr4V Co8 (M42) | 66-68 | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.35 | Co8% | M42 | M42 | SKH59 |
We can supply the following different workmanship
Roll Forged | |
Harf Ground | |
Fully Ground | |
Milled |
Suitable Standard
Roll Forged | a.DIN338 b,DIN340 c, Jobber Length |
Harf Ground | a.DIN338 b.DIN340 c.DIN1897 d.Jobber Length |
Fully Ground | a.DIN338 b,DIN340 c,DIN1897 d,Aircraft Extension e, Jobber Length |
f,Taper Length g,Screw Machine Length | |
Milled | a.DIN340 b,DIN1869 c,Aircraft Extension d,Extra Length |
We can supply the following standard.
Straight Shank Series | 1. DIN338 2. DIN340 |
3. DIN1897 4. DIN1869 | |
5. Jobber Length 6. Aircraft Extension | |
7. Taper Length 8. Screw Machine Length | |
9. Extra Length | |
Taper Shank Series | 5. DIN341 |
6. DIN345 |
1.25pcs drill bit set
2.Available in HSS-Co, HSS
3 Different surface coatings are available.
4.DIN338 standard
Material | HSS-Co5%, HSS6542, HSS4341, HSS4241 |
Workmanship | Rolled, Fully ground. |
Surface coating | 1.Black finished |
2. Edge ground | |
3. Edge ground Tin-coated | |
4. Fully ground bright | |
5. Fully ground black finished | |
6. Fully ground Tin-coated. | |
Angle point | 118~135 degree or split point |
Size | 1~13*0.5 |
Item NO. | TY11-1.1.8.5 |
Size: | 1.0~13.0*0.5mm |
Packing: | Inner: Plastic grip box |
outer: Caton. | |
N.W./G.W. | 23/24KGS |
Meast: | 45*29*20cm |
TONGYU's philosophy is based on three principles: safety, efficiency and precision.
Pls. contact us freely for more information, I will reply you ASAP!
Hope you will enjoy a comfortable cooperation with us!
Contact Us
- Danyang Tongyu Tools Co., Ltd.
- Contact nameDavid Yu
- Phone0086-511-86325949
- AddressRm. 5, Bldg. 05, Binjiang New City, Houxiang, Danbei Town
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