Waldawar ingarma na cikin wani nau'in haɗe mai ƙarfi mai ƙarfi.Diamita na waldawar Stud shine Ф10~Ф25mm, da kuma jimlar tsawon kafin waldi ne 40~300 mm.Waldawar ingarma tana da tambari a saman saman kai - HW - don yin alamar gano mai ƙira.A arc ingarma waldi sun dace da high-Yushi karfe firam yi, masana'antu shuka yi, manyan tituna, dogo, gadoji, hasumiyai, motoci, makamashi, sufuri wuraren yi, filayen jirgin sama, tashoshi, wutar lantarki, bututun goyon bayan, dagawa inji da sauran daban-daban karfe Tsarin da sauran ayyukan.