内六角螺丝尺寸表.doc

1、六角沉孔头螺丝 JIS B1176(1988) *JIS B1176(1976) 的沉头及螺丝孔的尺寸kdrdkdads螺丝称号M3M4M5M6M8M10M12(M14M16M20M24M30(d)s)kbl螺丝称号 (d)M3M4M5M6M8M10M12M14M16M20M24M30ds3.3456810121416202430ds3.44.55.56.6911141618222633dk5.578.5101316182124303645dk6.589.5111417.5202326323948k3456810121416202430k2.73.64.65.57.49.21112.814.5

2、18.522.528k3.34.45.46.58.610.81315.217.521.525.532螺牙节距 (p)0.50.70.811.251.51.75222.533.5b 参考182022242832364044526072最大(基准dk5.578.5101316182124303645尺寸 )10.213.216.218.221.324.330.336.345.3最大5.687.228.7227773339912.715.717.720.623.629.635.644.6最小5.326.788.289.783337771126.da 最大3.64.75.76.89.211.2 13.

3、7 15.7 17.7 22.433.44最大(基准3456810121416202430尺寸 )ds11.713.715.719.623.629.6最小2.863.824.825.827.789.78333777最大(基准3456810121416202430尺寸 )k11.513.515.519.423.429.4最小2.863.824.825.707.649.64777888r 最小0.10.20.20.25 0.40.40.60.60.60.80.81基准尺寸2.534568101214171922s8.0210.012.014.017.019.022.0最小2.523.024.025

4、.026.0252532325065652.583.084.095.146.148.1710.112.214.217.219.222.21 栏最大005005151212307575(1)2.563.084.095.096.098.1110.112.114.117.219.222.22 栏005555154242307575t 最小1.322.5345688101215.5(1)S( 最大 ) 之第 1 栏, 适用于强度区分 8.8 及 10.9 者及形状区分 A2-50,A2-70 者, 第 2 栏适用于强度区分 12.9 者 , 可依供需双方协议 , 将强度区分 12.9 者适用第一栏 . 螺丝称号 M20以上的 S( 最大 ), 可适用于全部强度区分及性情区分者 .(2) 头部侧面应施予直条刻纹等压在刻纹 JIS B0591( 金花刻纹 ), 此时 ,dk( 最大 )