Bolt 274 and washer 279

Does anybody know the specifications for the pin holder bolts and washers (part 274 and 279). I think the are worn and would like to replace them.

Thanks
Tom

Bolt 274:
M8 x 16 mm
(14 mm threaded)
Bolt head diameter: 15,2 mm
Bolt head height: 5,8 mm
Hex (Allen) key 6 mm

Washer 279:
Inner diameter: 8,3 mm
Outer diameter: 16,0 mm
Thickness 1 mm

Perfect, thank you very much.

Tom