This standard determines the characteristic values for screw tightening by combining bolts and nuts (hereinafter referred to as tightening characteristic values).
KS B 0143-1991 history
2021KS B 0143-2021 Method of tightening test for threaded fasteners
2016KS B 0143-2016 Method of tightening test for threaded fasteners
1991KS B 0143-1991 Method of tightening test for threaded fasteners