Regal Post Mounting Screw (4/pk)MPSS4 - In Stock
6″ Self-drilling structural lag screws for use with Regal Railing Systems. (4/package).
- 4 pack of 5/16" x 6" post mounting screws for Regal Aluminum Railing
- 6" long structural lag screws that are used for mounting posts to substrate into blocking
- Uses 3/8” hex head driver
- 5/16" Hex Head with buil-in washer
- Hardened steel - high-grade zinc-plated - reduces twisting and breaking
- Double coated for maximum protection against rust and ACQ corrosion
- CEE threads - enlarge hole to reduce splitting + increase draw strength + reduce friction for low torque loads
- Drill flutes allow drilled material to exit hole
- Cutting threads act as a saw blade and reduce torque making install easier
- Needle-sharp V-tip allows installation without predrilling
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