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GBT5782
Factory supply DIN931 hex head bolts, Grade 8.8, alloy/carbon/stainless steel, multiple surface finishes, for machinery and construction assembly.
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Factory supply DIN933 hex head bolts, stainless steel & carbon steel, multiple coatings, fast delivery for construction & machinery.
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Factory supply 10.9S grade hex head bolts, made of 20MnTiB/35VB carbon steel, black oxide finish, compliant with GB1228, A325, A490 standards, perfect for steel structure engineering.
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