Hex Coupling Nuts
1.Material:carbon,stainless steel
2.Size:6*18-12*36
3.Surface:Galvanized
4.Fast delivery,secure

Hex coupling nuts

1.applicable to concrect the role of fixed interconnection with a variety of casing gecko,car repair and all kinds of bolt with screw connection.
2. to improve the strength and efficiency of the products ,using multi- stage cold pier directly molding machines and automatic tapping machine.
3. the shape can be circular and hexagonal different and various special -shaped nut with long teeth.