Material:low-carbon  steel

Main Feature: umbrella head, diamond point, twisted/smooth shank, metal washers or plastic washers both available

Finished: galvanized(white/bule, etc)

Size: BWG8-BWG13

Length:1.5"-6"

Diameter: 2.4mm--4.2mm

Package: 7lbs/box, 8boxes/carton or 25kgs/carton as common, or as required

Usage: Used in roofing material or related material