Flush Head
SF-FH/SF-FHS/SF-FH4
Heavy Duty
SF-HFH/SF-HFHS
Low Displacement
SF-FHL/SF-FHLS
Concealed Head
SF-CHC/SF-CHA/SF-CFHC/SF-CFHA
Thin Sheet
SF-TFH
Heavy Duty Thin Sheet
SF-HFE
Broaching
SF-KFH