Ọ mejupụtara bolts countersunk, ọkpọkọ mgbasawanye, igwe na-asa akwa, igwe mmiri mmiri na mkpụrụ hexagonal. The ihe bụ ukwuu n'ime carbon ígwè (dị ka Q235), na ọkpụrụkpụ nke electrogalvanized oyi akwa bụ 5-12μm, nke zutere ISO 1461 ma ọ bụ GB/T 13912-2002 ụkpụrụ.

A na-eme passivation nke egwurugwu chromate (c2C) na ndabere nke electrogalvanizing iji mepụta ihe nkiri passivation nwere agba nwere ọkpụrụkpụ nke ihe dịka 8-15μm. Nnwale ịgba nnu nwere ike ịdịru ihe karịrị awa 72 na-enweghị nchara ọcha.

Emere nke Q235 carbon ígwè na ihe ndị ọzọ, elu bụ electro-galvanized, na mkpuchi ọkpụrụkpụ na-emekarị 5-12μm, nke na-ezute post-ọgwụgwọ chọrọ nke c1B (blue-white zinc) ma ọ bụ c1A (zinc na-egbuke egbuke) na GB / T 13911-92 ọkọlọtọ.

bolts stud nwere eri na nsọtụ abụọ yana mkpanaka na-adịghị n'etiti, nke a na-eji jikọọ efere ndị siri ike ma ọ bụ banye n'ime ntinye (ọkọlọtọ GB/T 901). Ihe ndị a na-ahụkarị bụ 45 # ígwè ma ọ bụ 40Cr, na elu galvanized ma ọ bụ ojii.

Isi ihe mkpuchi hexagon nwere oghere oghere hexagon ma ọ dị mkpa ka ejiri eriri oghere hexagon sie ike (ọkọlọtọ GB/T 70.1). Ihe ndị a na-ahụkarị bụ 35CrMo ma ọ bụ 42CrMo, a na-ekewa ọgwụgwọ elu ahụ ụzọ atọ: electrogalvanized, agba zinc-plated, na black zinc-plated.

Isi ihe mkpuchi hexagon nwere oghere oghere hexagon ma ọ dị mkpa ka ejiri eriri oghere hexagon sie ike (ọkọlọtọ GB/T 70.1). Ihe ndị a na-ahụkarị bụ 35CrMo ma ọ bụ 42CrMo, a na-ekewa ọgwụgwọ elu ahụ ụzọ atọ: electrogalvanized, agba zinc-plated, na black zinc-plated.

Isi ihe mkpuchi hexagon nwere oghere oghere hexagon ma ọ dị mkpa ka ejiri eriri oghere hexagon sie ike (ọkọlọtọ GB/T 70.1). Ihe ndị a na-ahụkarị bụ 35CrMo ma ọ bụ 42CrMo, a na-ekewa ọgwụgwọ elu ahụ ụzọ atọ: electrogalvanized, agba zinc-plated, na black zinc-plated.

Isi ihe mkpuchi hexagon nwere oghere oghere hexagon ma ọ dị mkpa ka ejiri eriri oghere hexagon sie ike (ọkọlọtọ GB/T 70.1). Ihe ndị a na-ahụkarị bụ 35CrMo ma ọ bụ 42CrMo, a na-ekewa ọgwụgwọ elu ahụ ụzọ atọ: electrogalvanized, agba zinc-plated, na black zinc-plated.

Isi nke ihe mkpuchi ụgbọ ala bụ nnukwu ọkara okirikiri, olu ya dịkwa square iji gbochie ntụgharị (ọkọlọtọ GB/T 14). Ihe ndị a na-ahụkarị bụ Q235 ma ọ bụ igwe anaghị agba nchara, nwere elu galvanized ma ọ bụ ojii.

bolts hexagonal bụ ọkọlọtọ ọkọlọtọ na-ahụkarị nwere isi hexagon ma jiri mkpụrụ (ọkọlọtọ GB/T 5780). Ihe ndị a na-ahụkarị bụ Q235 ma ọ bụ 35CrMo, nwere oghere galvanized ma ọ bụ ojii.

bolts hexagonal bụ ọkọlọtọ ọkọlọtọ na-ahụkarị nwere isi hexagon ma jiri mkpụrụ (ọkọlọtọ GB/T 5780). Ihe ndị a na-ahụkarị bụ Q235 ma ọ bụ 35CrMo, nwere oghere galvanized ma ọ bụ ojii.

bolts hexagonal bụ ọkọlọtọ ọkọlọtọ na-ahụkarị nwere isi hexagon ma jiri mkpụrụ (ọkọlọtọ GB/T 5780). Ihe ndị a na-ahụkarị bụ Q235 ma ọ bụ 35CrMo, nwere oghere galvanized ma ọ bụ ojii.