Square nuts are square fasteners with internal threads, commonly used with bolts.

Material: Stainless steel and alloys

Specifications: Common specifications are M4-M10, common square nuts are DIN557, DIN562, GB39

Surface treatment: Chrome plating, zinc plating or spray anti-rust paint, etc.

Application: Construction industry, transportation industry, power engineering

Advantages: Excellent fastening effect, various specifications, wide range of applications