M3 M4 M5 M6 M8 M10 SOCKET KNURLED POINT GRUB SCREW HEX ALLEN SET SCREW 10.9
These are a DIN 916. Further details are as follows Socket Knurled Grub Screws. Socket Cup Point Grub Screws. Socket Cone Point Grub Screws. Socket Dog Point Grub Screws. Socket Grub Screws. Grub Screws/Setscrew.