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Grade 10.9 Bolt is a high tensile bolt.
DIN 960 Hex Head Bolts are partially threaded bolts with fine and extra fine external machine screw threads.
DIN 961 Hex Head Cap Screws / Bolts Full Thread / Fine Thread
Hex serrated flange screw / Hexagonal bolts with flange Hexagon flange bolt DIN6921 steel zinc-plated 8.8 Kramp
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