bolt&nut

Bolt is nonstandard part, two threaded threads can be combined with nuts.

Mainly Application: construction and installation, mechanical parts connection, vehicle ship, bridge rail.

Mainly Shape: arch, square, triangle, ablique triangle etc.

Material: Q235A, Q345B.

Stainless steel material: 201, 304, 321, 304L, 316, 316L.

U-shaped bolt standard: JB/ZQ4321-2006.