When subjected to 312 hrs of salt fog spray testing (BHMA A138.18), zinc-plated hardware showed severe corrosion while hardware with Weather Guard™ protection withstood these harsh conditions with very little deterioration.
Id | 194409 |
SKU | 2435717 |
PartNo | N131-227 |
UPC | 038613131224 |
Country of Origin | China |
Thread Length | 3-1/4 In |
Material | Steel |
Finish | Zinc |
Overall Length | 5 In |
Suitable For | National's #29 Screw, Hook Hinge, National's #294 Hinge Straps |
CID | 9 |