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 |
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5~10 days if the goods are in stock.Or it is 45 days if the goods are not in stock, it is according to quantity.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shipment.
irrevocable LC at sight.