Hexagon socket countersunk head screws produced by Chinese manufacturers [Table 8] (ASTM F835/F879) ASME B 18.3.Qingdao jeekuu hardware products Co., LTD. Email: 13306482520@163.com

PRODUCT DETAILS

Thread size dM3M4M5M6M8M10M12(M14)M16M20
PPitch0.50.70.811.251.51.75222.5
dk ③TheoreticalMaximum value6.728.9611.213.4417.9222.426.8830.833.640.32
Actual valueMinimum value5.547.539.4311.3415.2419.2223.1226.5229.0136.05
dsMaximum value345681012141620
Minimum value2.863.824.825.827.789.7811.7313.7315.7319.67
e ①Minimum value2.3032.8733.4434.5835.7236.8639.14911.42911.42913.716
kMaximum value1.862.483.13.724.966.27.448.48.810.16
s ①Nominal22.534568101012
Maximum value2.082.583.084.0955.146.148.17510.17510.17512.212
Minimum value2.022.523.024.025.026.028.02510.02510.02512.032
tMinimum value1.11.51.92.233.64.34.54.85.6
Minimum tensile load(N) ②8.83220562090801290023400371005390073600100000162000
10.941807300118001670030500482007020096000130000204000
12.9491085061380019600357005660082400112000154000239000
Thousand pieces of steel weight≈kg----------
Thread bRefer to----------

①,Emin=1.14smin; The dimensions of the hexagonal combination gauge are shown in GB/T 70.5.

②,80% of the specified value in GB/T 3098.1。

③,The label "actual value" in the original standard is the maximum value, but this is the minimum value in previous versions and referenced standards ISO 10642. It is hereby noted that


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