Nylock Nut ပါ။
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Hex nut high strength 4.8 6.8 8.8 10.9 12.9 standard size Zinc Plain Nylon Insert Lock Nuts UNF UNC ANSI DIN982 DIN985 A4-70 လက်ကားဈေးနှုန်း
Production Detail Production Advantages YC Background YC Principle Package
