Aluminum Key-Hole Washers for Use with Combo Truss Sidewalk Bolts
Commonly used with Combo Truss Machine Screws & Sidewalk Bolts
Application: Used as an additional backing plate when storm panels keyways do not line up correctly.
- Often used when sidewalk bolts have been changed out to truss head screws to provide additional backing.
- Can be placed on after panels are installed.