High Tensile12.9 Ndodo ya Ulusi

 Kodi ndiyenera kupukuta mafuta pakupanga ndodo za 12.9?

Chifukwa chiyani?Gulu la 12.9 stud Bolts muyenera kuthiridwa mafuta?

Nthawi zambiri, pambuyo kupanga 12.9 bar ya ulusi, pali sitepe yopangira mafuta zitsulo. Makasitomala ena amafunsa kuti achotse madontho amafuta akamagula, zomwe zimapangitsa12.9 Ndodo ya Ulusikutaya chitetezo komanso dzimbiri mosavuta m'malo achinyezi monga masiku amvula panthawi yamayendedwe.
Kachiwiri, aHigh Tensile 12.9 Threaded Rod Supplierali ndi zambiri zokhudzana ndi malo omwe amasungidwa. Malo osungiramo katundu ayenera kupewa malo a chinyezi ndipo zoyikapo ziyeneranso kutsimikizira kusindikizidwa. Kapenanso, mutha kupopera mafuta odana ndi dzimbiri mukasunga.
Blackening ndi njira yothetsera mankhwala pamwamba. Mfundo yake ndi kupanga filimu ya oxide pamwamba pazitsulo, potero kudzipatula kwa mpweya ndikukwaniritsa zotsutsana ndi dzimbiri. Poyerekeza mankhwala angapo omwe amagwiritsidwa ntchito kwambiri pamtunda monga electrogalvanizing, electrocadmium plating, Dacromet, ndi zina zotero, zikhoza kuwoneka kuti ngakhale mtengo wakuda wakuda ndi wotsika mtengo komanso wokongola, ntchito yake yolimbana ndi dzimbiri ndiyosauka ndipo ndiyosavuta kuchita dzimbiri.

Factory2 Thread Rod

High Tensile12.9 Ndodo ya Ulusimsonkhano