GB/T 1231

Structural Bolt Assembly

High strength structural bolt assembly (bolt + nut + washers) for preloaded steel structure connections.

Available Products

M12–M30 | 10.9S

Share your drawing, quantity and delivery requirements for a quotation.

Products	Standard	Specifications
GB/T 1231 Structural Bolt Assembly	GB/T 1231	High strength structural bolt assembly (bolt + nut + washers) per GB/T 1231 for preloaded steel structure connections.

How should I specify a fastener for quotation?: Specify head shape, drive, thread, material and finish. We review the drawing and manufacturing requirements before quotation.
What must be confirmed before production?: Order quantity, sample arrangements, inspection and delivery schedule are agreed for each project.