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Hexalobular socket pan head screw ISO14583 M4X20 Grade 8.8 Zinc plate

This International Standard specifies the characteristics of hexalobular socket pan head screws in product grades A and with thread sizes from M2 up to and including M10.

A hexalobular socket pan head screw with thread M4, nominal length l = 20 mm and property class 8.8 is
designated as follows:
Hexalobular socked pan head screw ISO 14583 - M4x 20 - 8.8

    Shanghai summery industrial machine Co.,Ltd was established in 2006,it is located at Shanghai,which is the most vigorous city in world.

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