Product Description

B7/L7 Stud Bolts with Two Heavy Hex Nuts 

1. Standard:A**3 B7/ A**0+A**4 2H GR.4 OR7

2. Thread size:1/4"*4" &M*-M**0

3. Gread:B*-L*-B*6

 4. Material: ASTM A**3/A**0/A**3M/A**0M B**-B**-B7M-L*-L7M

5. Marking: standard or as customer’s need

6. Inspection: in-house or the third party

7. Range of Application: chemical industry, petroleum industry, construction industry, domestic installation, and so on

8. Delivery Time: usually within ****0 days after we have confirmed your order

9. MOQ: **0 pieces or as your requirement

*0. Packing: Bulk packing or small boxes packing in cartons then on pallets or as per your requirement usually *5KG/CTN,*6CTNS/PLT

*1. Productivity: ******0 tons per year

We are one leading company of China specializing in all kinds of Pipeline Materials to oil field and refinery as Steel Pipes, Pipe Fittings, Flange, Valves, Gasket, Petroleum Machinery, Fasteners, UV sterilizer, and so on. With the excellent product quality and professional technical service, we have become qualified & steady supplier of some big Oil Companies and Oil Refining Enterprise.

We warmly welcome friends from home and abroad to cooperate with us, and create a bright future together.