




STEELZIP RETRO-DRILLER
Used for attachment of metal to metal applications such as steel framing, hat channel, and metal deck attachment when a longer than typical fastener is needed. Features a 1/2in un-threaded section beneath the HWH head, designed to combat panel jacking/thread riding in hat channel applications. Complete fastener is electro zinc plated and coated with DMG85 Silver 1,000hr protective barrier coating. #3 drill point self drills and taps steel up to 0.210in thick.
SPECIFICATIONS