Ike dị elu Bolt
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Ọnụ ego ụlọ nrụpụta dị elu emere na China
Mkpụrụ hex (nke a na-akpọkwa hex nuts) dị na ASTM A563-A yana dakọtara na obere ihe mkpuchi carbon carbon dị ka ASTM A307, ASTM F1554 grade 36, SAE grade 2, na AASHTO M183.SAE grade 5 na grade 8 nuts dịkwa na usoro emechara.Ebe ọ bụ na galvanizing na-ekpo ọkụ na-agbakwụnye 2.2 ruo 5 mils nke ọkpụrụkpụ n'akụkụ eriri nke eriri, a na-akụ mkpụrụ hex galvanized nke ukwuu iji kwụọ ụgwọ mkpuchi na-eguzogide corrosion na bolts.
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Countersunk Hex Socket Cap Bolt
Ihe mkpuchi hexagon bụ ihe mkpuchi isi hexagon (eriri akụkụ) - ọkwa C na hexagon isi bolts (eriri zuru oke) - ọkwa C, nke a makwaara dị ka ihe mkpuchi isi hexagon (ike siri ike) ntutu isi hexagon isi bolts, kposara ígwè ojii.Enwere ike ịhụ ụkpụrụ ndị a na-ejikarị na: Din931, Din933 GB5782, GB5783, ISO4014, ISO4017, wdg.
