zinc plated slotted head self tapping screws

the hexagon washer self drilling screw is uesd to drive wood or metal with EPDM or plastic washer.

Dia:m2.9,m3.5,m4.2,m4.8,m5.5,m6.3
Length:6.5-75

Drive no: 2#, 3#, 4#, 5#
Material:Stainless steel 304/316 ,carbon steel 1022A
Plate:plain,zinc plate
Inner packing:
small box or In bulk or as per customers' requests
Outer packing:
Carton or wooden pallet or as per customers' requests