M30 X 530mm 40Cr Liner Bolt - Mine Mill Liner Bolt Fastener EB1359
High-performance mine mill liner bolts designed for demanding industrial applications with superior strength and durability.
Product Specifications
- Material Grade: 40Cr Alloy Steel
- Quality Levels: 12.9, 10.9, 8.8, 6.8, 4.8 Grade
- Available Sizes: M20, M24, M27, M30, M36, M42, M45
- Bolt Head Shapes: Oval Head, Square Head, Ellipse Head
- Service Life: 12 months guarantee under normal working conditions
Chemical Composition - 40Cr Material
| Composition (%) |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
| 40Cr |
0.37-0.44 |
0.17-0.37 |
0.5-0.8 |
0.8-1.0 |
≤0.3 |
≤0.035 |
≤0.035 |
≤0.03 |
Frequently Asked Questions
Are you a trading company or manufacturer?
We are the factory.
How long is your delivery time?
Generally 5-10 days if goods are in stock, or 45 days if not in stock (depending on quantity).
What are your payment terms?
Payment ≤ 1000USD: 100% in advance. Payment ≥ 1000USD: 50% T/T in advance, balance before shipment, or irrevocable LC at sight.