JIS B1187-5-2017
Cross recessed hexagon head bolt and external teeth serrated lock washer assemblies-Table 5
JIS B1187-5-2017
Cross recessed hexagon head bolts and light load conical spring washers assemblies-Table 5
JIS B1187-5-2017
Cross recessed hexagon head bolt,plain washer and less than class 8.8 spring washer assemblies-Table 5
JIS B1187-5-2017
Cross recessed hexagon head bolts and plain washer and external teeth serrated lock washer assemblies-Table 5
GB/T 9074.13G-1988
Cross recessed hexagon head bolt with indentation , spring and large plain washer assemblies