GB 853 square kab pheeb ces kaum lub tshuab ntxhua khaub ncaws feem ntau yog siv rau kev sib txuas cov hlau channel, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas yuav tsum tau fastening raws groove kev taw qhia ntawm channel steel. GB 853 tus qauv muab cov ncauj lus kom ntxaws txog qhov loj me, qhov yuav tsum tau ua, kev xaiv cov khoom siv, thiab cov ntsuas kev ua tau zoo ntawm square kab pheeb ces kaum rau cov hlau channel, xyuas kom meej tias cov ntxhua khaub ncaws tuaj yeem cuam tshuam cov loads zoo thiab tiv thaiv kev ntxhov siab hauv zos ntawm cov ntsiab lus sib txuas.

DIN127 lub caij nplooj ntoos hlav ntxhua khaub ncaws feem ntau yog siv rau hauv kev sib txuas bolt, tshwj xeeb tshaj yog nyob rau hauv kev sib txuas nrog lub zog ntawm qib 5.8 lossis qis dua. Nws lub hom phiaj tseem ceeb yog los tiv thaiv bolt loosening los ntawm kev ua kom lub axial rebound quab yuam kom them rau qhov poob ntawm preload quab yuam los ntawm compression, yog li tiv thaiv lub loosening ntawm threaded kev twb kev txuas.