Kodi chitsulo ndi chitsulo ndi chiyani chomwe chili choyenera kalasi yeniyeni ya 12.9 hex socket screws

Gulu 12.9 mabawuti ndi zomangira tchulani zomangira zamphamvu kwambiri zopangidwa ndi 35CrMo, 42CrMo, ndi B7 aloyi zitsulo zachitsulo, zokhala ndi mphamvu zocheperako za 1220Mpa komanso kuuma kwa 39-44HRC. Amagwiritsidwa ntchito kwambiri m'mafakitale a nsalu, ma hydraulic, jekeseni, ndi mafakitale amakina.

1. Sirawu ya 12.9 grade imatanthawuza wononga zolimba kwambiri zopangidwa ndi SCM435 alloy steel material, zokhala ndi mphamvu zochepa za 1220Mpa ndi kuuma kwa 39-44HRC. Amagwiritsidwa ntchito kwambiri m'mafakitale a nsalu, ma hydraulic, jekeseni, ndi mafakitale amakina.

2. Malingana ndi chinthucho, chikhoza kugawidwa mumitundu yosiyanasiyana monga12.9 giredi kunja ma bawuti hexagonal, 12.9 giredizomangira zamutu za hexagonal(chikho mutu), 10,9 kalasi countersunk mutu mkati zomangira hexagonal (lathyathyathya chikho), 10,9 kalasi theka wozungulira mutu mkati hexagonal zomangira (chikho chozungulira), 12.9 kalasi zomangira (makina mita), 12.9 kalasi mkati hexagonal pulagi zomangira, etc. Malinga ndi ulusi, umagawidwa mu ulusi wobiriwira, ulusi wabwino, metric, British, American, etc.

3. Kalasi 12.9 ndi mitundu yapamwamba ya zomangira, zolimba kwambiri komanso zolimba. Kuuma kwake kwa Rockwell (HRC) kumatha kufika 39-44, ndipo mphamvu yake yokhazikika imatha kufika 1220N / mm2. Komabe, chifukwa cha mitundu yosiyanasiyana ya zomangira, zomangira za hex (makapu athyathyathya) ndi zomangira zozungulira zozungulira za hex (makapu ozungulira) opangidwa kuchokera kuzinthu zomwezo zitha kungopeza mphamvu zocheperako za giredi 10.9. Ikhozanso kukwaniritsa zofunikira zazikulu zamabizinesi ogulitsa mafakitale ndi migodi kwa fasteners muzochitika zapadera ndi zigawo zikuluzikulu.

Malingaliro a kampani Ningbo Zhongli Bolts Manufacturing Co.ltd amangopereka kalasi yeniyeni 12.9Zomangira za hex socket DIN912ISO4762, fakitale ili ndi zaka 21 kupanga.