I-M4-M64 Din931 hex bolt ye-threal thys ye-hex ye-a320 l7m hex hex bolt
I-A335 yombhobho wentsimbi inokusetyenziswa kwizicelo ze-nace kwiqondo lokushisa eliphezulu kunye noxinzelelo oluphezulu kwiimeko zouncu, zinokusetyenziswa kwinkonzo ye-Nake-Mro 175 Inkonzo yoMfuzo, ingabandakanya amaqondo obushushu aphezulu kakhulu.
I-ASTM A193 IBakala B7 le nkcazo yempahla yemigangatho ye-Chromium-molybdenum ye-Alobdenum yamandla aphezulu, amaqondo aphezulu, kunye nezicelo ezizodwa. Ibanga B7 yi-RolybDum ye-chromium ye-chromium ye-chromium ye-chromium ene-100 imfuneko yobuncinci be-100 ksi, amandla esivuyiweyo nge-75 hrc. The ASTM A193 specification covers requirements for chemical composition, mechanical properties, hardness, heat treatment, and recommended nut washers for Class B7 fasteners. I-ASTM A193 IBakala B7 le ngcaciso lubanzi lokuthatyathwa kwezinto, ifumaneka kwiibhotile okanye imibhobho, iinqanawa zoxinzelelo, iivalves, ezifungelweyo kunye nezixhobo.