| Customization: | Available |
|---|---|
| Material: | 42CrMo |
| Type: | Oval Head Bolt |
|
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Material Grade:4140(42CrMo)
Quality Level: 12.9, 10.9, 8.8, 6.8, 4.8 Grade
Sizes: M20,M24,M27,M30,M36,M42,M45,M48,M72,M100
Specification:M48 x 150,M48 x 180,M48 x 210,M48 x 330,M48 x 370,M48 x 390,M48 x 600,M48 x 700,M48 x 900,M48 x 1080
Bolt-head Shape: Oval head, Square head,Ellipse head;
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.
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 |
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