They are commonly used in metal roofing system. They are used for fasten and seal metal roof sheet or roof clips to the steel girts. By their special design, no predrilling is needed.
Specification:
Material: Stainless Steel
Shape of Head :Hex Flange Head
Surface Finishing: Cold Galvanizing
Production Type: Customized
Fastener Type: Self-Drilling Screw
Application: Metal, Steel Structure etc.
Diameter: #8 ~ 1/4″, 4.2 ~ 6.3mm
Length: 1/2″ ~ 10″, 13~ 250mm
Payment team: TT, L/C
Port: Tianjin Port, China
Transport Package: Small Box and Carton, or depend on your requirement
Delivery Time: 15 days after received the deposit.