Stud kuwotcherera ndi amtundu wa zomangira zolimba kwambiri.The awiri a Stud kuwotcherera ndi Ф10~Ф25mm, ndipo kutalika okwana pamaso kuwotcherera ndi 40~300 mm.Chowotcherera cha Stud chili ndi logo pamwamba pamutu - HW - kuti apange chizindikiritso cha wopanga.Kuwotcherera kwa arc stud ndikoyenera kumanga chitsulo chokwera kwambiri, zomangamanga zamafakitale, misewu yayikulu, njanji, milatho, nsanja, magalimoto, mphamvu, zomangira zoyendera, ma eyapoti, masiteshoni, malo opangira magetsi, zothandizira mapaipi, makina okweza ndi zina zosiyanasiyana zitsulo. ndi ntchito zina.