Material:
Fastener:
Hardened carbon steel coated with Zn/ezĒ mechanically applied zinc compound with organic corrosion inhibitors and lubricants including Teflon.

Zn/ezĒ Trademark of Trufast Corporation. Patent pending.

Washer:
EPDM bonded to hardened steel.

Application:
astening metal panels applied to wood structural purlins and wood girts on roof and walls when a clean pre-drilled hole is needed versus the standard self-piercing fastener.

Low profile 1/4Ķ hex heads.