Kuphatikiza mtedza
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Hex nati mkulu mphamvu 4.8 6.8 8.8 10.9 12.9 muyezo kukula Zinc Plain Kulumikiza Hex Long Coupling Nut UNF UNC ANSI DIN6334 kupanga mtengo wathunthu
Kupanga Tsatanetsatane Wopanga Ubwino wa YC Background YC Principle Phukusi
