DIN 6331/6923/977 Flange Nuts

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The DIN 6331/6923/977 flange nuts and the general m18 flange nutare basically the same in size and thread specification, but compared with the m30 flange nut, the gasket and the DIN 6331/din 6923 flange nuts/977 flange nuts are integrated, and there are anti-skid tooth patterns on the bottom, which increases the nut and the workpiece. Compared with the combination of ordinary nut and washer, it is firmer and has greater tensile force. The flange nut surface itself has the anti-slip and stop functions of the flat washer and the spring washer, so there is no need to add the flat washer and the spring washer during assembly, which will be counterproductive

DIN 6331/din6923 hex flange nut/977 Flange Nuts Specifications

DIN 6331 galvanized flange nuts

DIN 6331 - 2003 Hexagon Collar Nuts with a Height of 1.5d

DIN 6923 Hex Flange Nut

Flange Nut DIN 6923 - 1983 Hexagon Nuts With Flange

Equivalent norm: GB/T6177.1, ISO 4161, EN 1661, ANSI/ASME B18.2.4.4M, NF E 25-406

DIN 977 Flange Nuts

DIN 977 - 1998 Hexagon Weld Nuts with Flange

Equivalent norm: GB/T 13681.2, ISO 21670, DIN EN ISO 21670

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