GB/T 9074.12-1988
Cross recessed hexagon head bolt with indentation and spring washer assemblies
GB/T 9074.13-1988
Cross recessed hexagon head bolt with indentation , spring and plain washer assemblies
JIS B1187-5-1995
Cross recessed hexagon head bolts and less than class 8.8 spring washer assemblies-Table 5
JIS B1187-5-1995
Cross recessed hexagon head bolt,plain washer and less than class 8.8 spring washer assemblies-Table 5
JIS B1187-5-2006
Cross recessed hexagon head bolts and less than class 8.8 spring washer assemblies-Table 5
JIS B1187-5-2006
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 less than class 8.8 spring washer 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
GB/T 9074.13G-1988
Cross recessed hexagon head bolt with indentation , spring and large plain washer assemblies