Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
GB/T 818-2016
Pan head screws with type H cross recess
GB/T 823-2016
Small pan head screws with cross recess
ISO 7045-1994
Pan head screws with type H cross recess
GB 973-1976
Crosss recessed mushroom screws
GB 818-1976
Cross recessed pan head screws
GB/T 818-1985
Pan head screws with type H cross recess
GB/T 818-2000
Pan head screws with type H cross recess
ISO 7045-2011
Pan head screws with type H cross recess
GB/T 823-1988
Small pan head screws with cross recess
IFI 513-7-1982
Metric pan head screws with type H cross recess-Table 7
Q 214-1999
Pan head screws cross recess
SJ 2494-1984
Cross recessed big flat head screws
SJ 2828-1987
Pan head screws cross recess
SJ 2829-1987
Cross recessed round head screws
QJ 2376-1992
Cross recessed pan head screws
JIS B1111-1-1996
Pan head screws with type H cross recess-Table 1
KS B1023-2001
Pan head screws with type H cross recess
NF E25-121-1994
Pan head screws with type H cross recess
NF E25-121-2011
Pan head screws with type H cross recess
NF E25-121-1984
Pan head screws with type H cross recess
