Drywall screws:
Material:C1022
Head type: bugle/bugle with ribs
Drive: phillips
Thread type: fine/coarse
Surface : galvanized: white/yellow color ,phosphated:grey /black color
Dia: from 3.5mm to 6.3mm,or as your required.
Length : from 13 mm to 125mm ,or as your required .

We also can prodece as your required ,our comapny mainly produce drywall screws,self-drilling screws,self-tapping screws,chipboard
screws.