Kedu ụdị ígwè na ígwè dị mma maka ezigbo skru 12.9 hex soket

Ọkwa 12.9 bolts na kposara rụtụ aka na skru nke ike dị elu nke 35CrMo, 42CrMo, na B7 alloy steel skru, nwere opekempe ike ike nke 1220Mpa yana ike nke 39-44HRC. A na-ejikarị ya na textile, hydraulic, injection molding, na machinery industries.

1. The 12.9 ọkwa ịghasa na-ezo aka ihe ultra-elu ike ịghasa mere nke SCM435 alloy ígwè ihe, na a kacha nta tensile ike nke 1220Mpa na a hardness nke 39-44HRC. A na-ejikarị ya na textile, hydraulic, injection molding, na machinery industries.

2. Dị ka ihe ahụ si dị, enwere ike kewaa ya n'ụdị dị iche iche dị ka12.9 ọkwa mpụta hexagonal bolts, 12.9 ọkwaime hexagonal isi kposara(Cup isi), 10.9 ọkwa countersunk isi esịtidem hexagonal kposara (ewepụghị iko), 10.9 ọkwa ọkara gburugburu isi esịtidem hexagonal kposara (gburugburu cup), 12.9 ọkwa set kposara (igwe mita), 12.9 ọkwa esịtidem hexagonal plọg kposara, wdg. eri ahụ, a na-ekewa ya ka ọ bụrụ eri siri ike, eriri ọma, metric, British, American, wdg.

3. Ọkwa 12.9 bụ ihe dị iche iche nke kposara, nwere ike siri ike na ike ike. Rockwell hardness (HRC) nwere ike iru 39-44, na ike ike ya nwere ike iru 1220N/mm2. Otú ọ dị, n'ihi ụdị dị iche iche nke ịghasa n'ichepụta, countersunk hex skru (flat cups) na ọkara gburugburu isi hex kposara (gburugburu iko) na-emepụta site na otu ihe nwere ike na-enweta kacha nta tensile ike nke ọkwa 10.9. Ọ nwekwara ike zuru ezu izute elu chọrọ nke ulo oru na Ngwuputa ulo oru maka fasteners na oge pụrụ iche na components.

Ụgwọ nke ụlọ ọrụ Ningbo Zhongli bolts Production Co., Ltd naanị na-enye ezigbo ọkwa 12.9Ihe mkpuchi hex soket DIN912ISO4762, ụlọ ọrụ mmepụta ihe nwere ahụmịhe mmepụta afọ 21.