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3/8" Perma Lock screws are an unslotted, drive-in type permanent locking screw. They can be used in all of our aluminum screw posts and standard steel screw posts sizes 3/8" and up.
Perma Lock screws are made of steel and have a diagonal cross thread that, once tapped into a standard screw post, create a permanent lock. Perma Lock screws can also be referred to as Rapid Tap Screws because they tap in for quick assembly of your screw post bound items.
1/2" Aluminum Extensions $18.95 |
1/2" Aluminum Screw Posts $17.02 |
1-1/2" Aluminum Screw Posts $24.99 |
4-1/2" Aluminum Screw Posts $79.65 |
2" Aluminum Screw Posts $11.09 |