Icyuma kizengurutse kigabanijwemo ubwoko butatu: gushyuha, guhimbwa, n'imbeho ikonje.Ibisobanuro byibyuma bishyushye bizunguruka ni 5.5-250mm.Muri byo, 5.5-25mm ntoya ntoya izengurutswe ahanini itangwa mumigozi yutubari tugororotse, akenshi ikoreshwa nkibishimangira, bolts nibintu bitandukanye bya Machine;Icyuma kizunguruka kirenze 25mm gikoreshwa cyane cyane mugukora ibikoresho byimashini, fagitire yicyuma idafite ibyuma, nibindi. Umubare: Q195, Q235, 10, 20, 35, 45, Q215, Q345, 12Cr1MoV, 15CrMo, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCR15, 65Mn, 50Mn, 50Cr, 3CrMo 2w8v, 20crmnti, 5crnnmmo