Nuts are usually come with a bolt or rod or pre-assemblied thread part. The most often used nuts are hex nut, hex jam nut, hex flange nut, hex slotted nuts, hex top lock nut also nylon lock nut or metal lock nut.
Basically, there are metric and inch standard nuts used. Metric standard series as per DIN, ISO, JIS, UNI, GB, EN standards and inch series as per ANSI/ASME/BS/AU/IFI/SAE standards
Quality of Nuts generally are specified as Class 5, 8, 10, 12 for metric series (DIN/ISO/JIS) while inch series marked as Grade 2, 5, 8 as per SAE requirement.
Materials used for manufacturing nuts usually are carbon steel (with extra surface coating to get a corrosion resistant character), stainless steel and brass, while other alloy steels are also used for specified requirements of constructional nuts.
HEAVY HEX NUT, also called high strength nut, usually use with a structure bolt in constructions. Standard as per ASTM A194 Grade 2H, 4, 6, 8
More optional nuts, Coupling Nuts, T Nuts, Weld Nuts, K Nuts, Furniture Nuts, Rivet Nuts, Square Nuts, Slotted Nuts, please visit our online shop www.hexnuts.cn for technical drawings, weight list, packing and shipping information. Metric Standard: DIN934 DIN555 DIN439 Inch Standard: ANSI B18.2.2 hex nut and Hex Jam Nut, BS/JIS, for more information about hex nuts, please visit www.hexnuts.cn |
Nuts Surface Treatment-Plain Finish |
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Nuts Surface Treatment-Black Oxide |
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Nuts Surface Treatment-Zinc Coating |
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Nuts Surface Treatment-Yellow Zinc |
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