Square Weld Nuts are four sided square body nut fasteners with 4 projection at each corner of thesquare, for welding purpose. Metric Self Colour Steel Square Weld Nuts - DIN928. Available from UNIBRIDGE in A2 / 304 Stainless Steel and A4 / 316 Stainless Steel, or any other carbon steel materials, these high precision nuts can be purchased in thread sizes from M3 to M14.
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