Ningbo ASME Fastener Co., Ltd

Heavy Hex Bolts ASTM A320, A307B, A325/A490 Type 1, A325M/A490M, A193 GR.B7, B7M, B8, B8M, B16

Standard: ASME B 18.2.1

Size: 3/8 inch - 3 inch

Material: B7(Alloy steel, AISI 4140/4142, Carton steel), B8(Class 1/ Class 2 Stainless steel, AISI 304),
B8M(Class 1/ Class 2 Stainless steel, AISI 304)

Threads: B18.1.1 2A 3A UNC UN UNF

Finish: Black, Black zine, Galvanized, Color zinc, PTFE, cadmium (CAD), Galvanized nickel, Dacromet,
Geomet, Hot-dip Galvanized and more

Services: According to drawings or samples to manufacture products. Support OEM/ODM services

Package: a. Plastic bag with outer carton b. According to your requirements

Delivery time: 3-7 days for sample order, 10-20 days for full container order. We will provide shipping information to you anytime

Package sepcifications:
a. Plastic bag with outer carton
b. According to your requirements

Supply Ability: 1300 Tons Per Month

Minimum Order Quantity: 500Kgs each model