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unique features galvanized/plain cross outside hexagon three combination bolt with spring and flat pad industrial household use
high strength class 12.9 8.8 6.8 hexagon bolt
china hardware manufacturer's 4.8/8.8/12.9 din912 black zinc head steel/carbon steel screw standard plain finish hexagon bolt
factory price industrial galvanized zinc plain m12 35 12.9 carbon stainless steel half round/hexagonal/mushroom head cap bolt
m10 m12 carbon steel ss304 astm a325 a196 b7 class 4.8 8.8 10.9 12.9 black oxide zinc din933 din931 standard m3 thread hex bolt
factory building industrial m10 brass custom 8.8 10.9 din stainless carbon steel a2 70 galvanized zinc plain flange hex bolt
global supply chain galvanized eyebolt carbon steel/stainless steel ring screws hooking nut screw industrial household use