China National standard GB Manufacturers, Wholesale National standard GB Factory

National standard GB

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GB6187.1-C All-metal hexagonal flange lock nuts (flattened type)
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GB6187.1-B All-gold flexed hexagonal flange lock nut (three-point pressure)
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GB6187.2-A All-metal hexagonal flange face lock nut with fine pitch thread (clutch type)
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GB6187.2-B all-metal hexagonal flange face lock nut with fine pitch (three-point pressure)

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Haiyan Jindu Hardware Co.,Ltd..

Address :

NO.2666 Lenggang Road,Wuyuan Town, Haiyan County,Jiaxing City,Zhejiang,China
Phone :

+86-0573-86975838
E-mail :

[email protected](Jenney Sun)

[email protected](Cathy Luo)