Per JIS(Metric)

Machine Screw JIS B 1101 Slotted Head Screws. Diameter M3 - M8    
JIS B 1111 Crossed Recess Head Screw. Diameter M3 - M8    
Sheet Metal Screw JIS B 1115 Slotted Head Tapping screws. Diameter M3 - M8    
JIS B 1122 Crossed Recess Head Tapping Screws. Diameter M3 - M8    
JIS B 1123 Hex. Head Tapping Screws. Diameter M3 - M6    
Self-drilling Screw JIS B 1125 Self-drilling Screws. Diameter M3 - M6    
Hex. Socket Button Head Screw JIS B 1174 Hex Socket Button Head. Diameter M3 - M8    
Hex.Socket Cap Screw JIS B 1176. Diameter M3 - M6