Square Nut

Square nut.
HAIYAN BOLT produce both standard square nut and welding square nut.
1,Standard:DIN557,DIN928
2,Thread:UNC
3,Material: low carbon steel,Stainless steel
4,SAE Class:4.8,gr2,A2
5,Metric Size:M6,M8 M10 M12,M14,M16
Inch size from 1/4” to 5/8”
6,Surface finish:mostly in the zinc plated white or yellow, or black oxide, Plain polished.