Castle nut
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Hex nati mkulu mphamvu 4.8 6.8 8.8 10.9 12.9 muyezo kukula Zinc Plain Hex Slotted Castle Nut UNF UNC ANSI DIN935 kupanga mtengo wathunthu
Kupanga Tsatanetsatane Wopanga Ubwino wa YC Background YC Principle Phukusi
