声明:1.下表所提供的六角尺寸仅供参考,在特定系统中的特别尺寸应单独检查；
2.应当以螺栓/螺母的尺寸及强度等级等来确定扳手使用最大扭矩,处理具体联接时请确认工程的制造商的参数;
3.选择扳手时,务必注意螺栓拆卸时需要的扭矩,用于操作的重型工业套筒应当符合国际通用标准.
六角螺栓螺母尺寸及扭矩值
英制尺寸公制尺寸强度等级4.86.88.810.912.9最小破断强度392MPa588MPa784MPa941MPa1176MPa六角尺寸螺纹尺寸六角尺寸六角尺寸螺纹尺寸六角尺寸材质一般构造用钢机械构造用钢铬钼合金钢镍铬钼合金钢镍铬合金钢inchinchinch 螺栓螺母/mm扭矩值扭矩值扭矩值扭矩值扭矩值1-1/16"5/8"1/2"17M108N.mN.mN.mN.mN.m1-1/4"3/4"5/8"19M1210M142269981371652251-7/16"7/8"3/4"22M1412M1624981372062473531-5/8"1"3/4"24M1614M18271372062843414801-13/16"1-1/8"7/8"27M1814M20301762964024805692"1-1/4"7/8"30M2017M22322253335397659112-3/16"1-3/8"1"32M2217M243631447068698111762-3/8"1-1/2"1"36M2419M27414416371029147217642-9/16"1-5/8" 41M2719M30465888821225196223522-3/4"1-3/4"1-1/4"46M3022M335073511271470206024502-15/16"1-7/8"1-3/8"50M3324M365598014701764245329403"2"1-1/2"55M3627M3960117617642156294336263-1/8"2"1-5/8"60M3927(30)M4265151923522744382646063-3/8"2-1/4"1-3/4"65M4232M4570176427443136441553903-1/2"2-1/4"1-3/4"70M45 M4875225434303920559266643-3/4"2-1/2"1-3/4"75M4836M5280274441164704657383303-7/8"2-1/2"1-7/8"80M5236M56853528514959788437102904-1/8"2-3/4"2"85M5641M609040185978774210791132304-1/4"2-3/4"2"90M6046M64954998744888204-5/8"3"2-1/4"95M6446M6810056848526107805"3-1/4"2-1/4"100M6850M721056468980012642 105M7255M7611073501078014700 110M7660M8011581431225018130 115M8065M8512088201372022050 120M8570M90130105841617024500 130M9070(75)M1001451372020090135M95 M1101551636624990145M10085M1201751989429890 1.表中扭矩值为螺栓达到屈服极限的70%时所测定；2.建议锁紧力矩值为: 表中数值*(70-80)% .例如:M48 8.8级螺栓 的力矩为:400*80% = 320KG ；3.螺栓拆卸时所需的力矩为锁紧力矩的1.5-2.5倍. 例如:上例锁紧力矩为320KG,则拆卸时所需的力矩为320*(1.5-2.5) = 480-800KGM。
