Product name
Hex heads self drilling roofing screw with factory price
Diameter
M3.5/M3.9/M4.2/M4.8/M5.5/M6.3
Length
From 9.5mm(3/8") to 127mm(5")
Surface treatment
Galvanized/Ruspert coating
Packing
In small box or bulk in 20kg/ctn
Payment term
30% advance payment by T/T,70% before delivery
Delivery time
35 days after receipt of the payment