1、常用螺絲及沉頭孔尺寸表規(guī)格螺絲頭直徑螺絲頭厚度螺絲桿直徑沉頭孔直 徑沉頭孔深度通過孔直徑Ug打孔徑M23.84.53.02.51.75M35.56.03.53.52.5M47.07.54.54.53.3M58.59.05.55.54.2M610.065.8116.56.55M812.087.8138.58.56.8M1015.0109.81610.510.58.5M1217.812.511.81912.512.510.25M1412M16241615.92616.51714M18M20M22M24.tel ( 051 2 )6501 5828拔粹( 051 2 ) 65012333kdkdkL

2、Tn| ds-Lddsccsmoul d pc h o me.六角承孔頭螺絲JIS B1176(1988) *JIS B1176(1976)螺絲稱號（d）M3M4M5M6M8M10M12M14M16M20M24M30ds3.3456810121416202430ds3.44.55.56.6911141618222633dk5.578.5101316182124303645dk6.589.5111417.5202326323948k3456810121416202430k2.73.64.65.57.49.21112.814.518.522.528k3.34.45.46.58.610.81315.

3、217.521.525.532com.參考:對六角承孔頭螺絲的沉頭及螺絲孔的呎吋螺絲稱號（d）M3M4M5M6M8M10M12(M14)M16M20M24M30螺牙節(jié)距（p）0.50.70.811.251.51.75222.533.5b參考182022242832364044526072dk最大（基準(zhǔn)呎吋）5.578.5101316182124303645最大5.687.228.7210.2213.2716.2718.2721.3324.3330.3336.3945.39最小5.326.788.289.7812.7315.7317.7320.6723.6729.6735.6144.61da最大

4、3.64.75.76.89.211.213.715.717.722.426.433.4ds最大（基準(zhǔn)呎吋）3456810121416202430最小2.863.824.825.827.789.7811.7313.7315.7319.6723.6729.67k最大（基準(zhǔn)呎吋）3456810121416202430最小2.863.824.825.707.649.6411.5713.5715.5719.4823.4829.48r最小0.10.20.20.250.40.40.60.60.60.80.81s基準(zhǔn)呎吋2.534568101214171922最小2.523.024.025.026.028.0

5、2510.02512.03214.03217.05019.06522.065最大（1）1欄2.5803.0804.0955.1406.1408.17510.11512.21214.21217.23019.27522.2752欄2.5603.0804.0955.0956.0958.11510.11512.14214.14217.23019.27522.275t最小1.322.5345688101215.5（1）S（最大）之第1欄，適用于強(qiáng)度區(qū)分8.8及10.9者及形狀區(qū)分A2-50,A2-70者，第2欄適用于強(qiáng)度區(qū)分12.9者，可依供需雙方協(xié)議，將強(qiáng)度區(qū)分12.9者適用第一欄.螺絲稱號M20以上的S（最大），可適用于全部強(qiáng)度區(qū)分及性情區(qū)分者.（2）頭部側(cè)面應(yīng)施予直條刻紋等