Square Bolt

Square bolt can be tightened or loosened by wrench with the same usage as hex bolt. Compared to the latter, our square product can provide greater force for screwing, larger area of square head size and bigger force surface, often used for rough structure. Also, it can be applied to parts with T shaped groove so as to adjust the bolt position conveniently.

Considering different materials in use, there are carbon steel fastener, alloy steel square bolt and stainless steel square bolt provided by our company. The characteristic of these types of product is respectively low price, light weight and good corrosion resistance, and users can purchase according to different applications.

Square bolt can meet a variety of use requirements with the size ranging from M8 to M52 or from 5/6" to 2" and the screw length from 25 mm to 750 mm or from 1" to 30". Besides, its level of performance ranges from 4.8 to 10.9 or from GR2 to GR8.

System: Metric Size Size: M8--M52 Length: 25MM--750MM Material: Carbon Steel Alloy Steel 　 SS304 SS316 　 Grade: 4.8 　8.8 　10.9 Finished: Self Color 　ZP 　YZP 　H.D.G

System: Inch Size Size: 5/6"-2" Length: 1"--30" Material: Carbon Steel Alloy Steel 　 SS304 SS316 Grade: GR2 　GR5 　GR8 Finished: Self Color 　ZP 　YZP 　H.D.G