UNI 7688 Dimensions, Specifications, Equivalent Standards, Weights, PDF

UNI 7688 Cross Recessed Countersunk Flat Head Screws

Cross Recessed Countersunk Flat Head Screws

Cross Recessed Countersunk Flat Head Screws

UNI 7688 Equivalent

UNI 7688 Alias

  • French (fr): UNI 7688 Vis à tête fraisée, de type H ou Z
  • German (de): UNI 7688 Senkschrauben mit Kreuzschlitz, Form H oder Z
  • Italian (it): UNI 7688 Vite a testa svasata, tipo H o Z
  • Dutch (nl): UNI 7688 Verzonken kop schroef, het type H of Z
  • Czech (cs): UNI 7688 Šrouby se zápustnou hlavou s k?ížovou drážkou H nebo Z

UNI 7688 Dimensions

Thread dM1.6M2M2.5M3(M3.5)M4M5M6M8M10
P0.350.40.450.50.80.70.811.251.5
amax.0.70.80.911.21.41.622.53
bmin.15161819202225283440
dknominal = max.33.84.75.66.57.59.21114.518
min.2.753.54.45.36.147.148.8410.5714.0717.57
kmax.0.961.21.51.651.932.22.5345
rmax.0.40.50.70.80.9511.31.622.5
xmax.0.911.11.251.51.7522.53.23.8
Cross recessno.0111222344
type Hmapprox.1.72.352.72.93.94.44.66.68.79.6
penetration depthmin.0.660.951.251.51.41.92.12.83.94.8
max.0.911.251.551.81.92.42.63.34.45.3
type Zmapprox.1.82.22.52.83.744.46.18.59.4
penetration depthmin.0.890.921.221.481.341.62.052.463.864.77
max.1.141.171.471.731.82.062.512.924.325.23
lWeight (7.85 kg/dm3) kg / 1000pcs
nominalmin.max.
32.83.20.0580.1010.175
43.754.250.0690.1190.2060.2910.434
54.755.250.0810.1370.2360.3350.4940.676
65.756.250.0930.1520.2660.3790.5540.7541.21
87.78.30.1160.1930.3260.4670.6730.91.452.19
109.710.30.1390.2310.3860.5550.7921.061.72.545.03
1211.6512.350.1620.2680.4460.6430.9111.221.952.895.679.59
(14)13.6514.350.1850.3060.5070.7311.031.372.193.256.310.6
1615.6516.350.2080.3430.5670.821.151.532.443.616.9411.6
(18)17.6518.350.3810.6270.9081.271.682.693.957.5712.6
2019.620.40.4170.6870.9961.391.842.944.318.2113.6
(22)21.622.40.7471.081.511.993.184.668.8414.6
2524.625.40.8381.221.692.223.555.199.7916.1
(28)27.628.41.351.872.463.935.7210.717.6
3029.630.41.441.992.614.166.0811.718.6
3534.535.52.292.994.766.961321.1
4039.540.53.365.397.8414.623.6
4544.545.56.028.7316.226.1
5049.550.56.659.6117.828.6
55545619.431.1
60596133.7