Chipboard ScrewDIN7505,

(Fiberboard Screw), Flat head(Pan head), Pozi drive,
Torx(T-25,T-30),C1022, Heat treatment(Hardend),

 Zinc Plated/Waxed,

 Bulk packing/Small box Packing.

size 2.5mm-6mm,#4-#14.