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.

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