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Bolt Manufacturers Special Shape Bolt High Tensile Steel For Ball Mill Machinery Carbon Steel Black Oxide Crusher Bolts
1. Grade: 4140 steel 12.9
2. Size: M3-48
3. Standard: DIN
4. Certification: ISO9001, SGS, CTI, ROHS
5. Special Features:
1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills.
2. The high strength screws can be reliably used in small,middle and large cement mills,coal mils and mine mills.
3. The high strength bolts have been properly heat-treated to achieve better mechanical properties.
4. The standard bolt units include one rubber ring,concave washer,spring washer and nut.
6. Chemical Composition:
| Composition(%) | C | Si | Mn | S | P | Cr | Mo |
| 42CrMo(4140 Grade8.8) | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
7.Description:
| Product Name | Special bolt nut ball mill machinery liner plate bolts |
| Material | Stainless Steel,Alloy Steel,Carbon Steel,Brass,Aluminum or as your requirements |
| size | M2~M30 or custom Made |
| Finish | Plain, black, zinc plated/according to your requirement |
| Standard | ISO,GB,DIN,JIS,ANSI/ASME,BSW,Non-standard. or base on the Drawings or Samples |
| Usage | Car,Machinery etc |
| Certificate | ISO9001,IATF16949,SGS,ROHS,etc |
| Used | Building industry machinery |
8. Product Details Picture: