The MSS™* was developed and patented based on the RSS™ model. This screw has an integrated washer head and is complemented with a rubber washer below the screw head. This feature also helps protect the washer from prolonged exposure to the sun for long lasting, secure siding installations.

GRK also has an innovative "MSS Bit Holder" that is an important accessory to make your work easier.

Applications

• For use in interior or exterior applications including metal siding, garage door trim and even closet organizers

Features

• White color, low profile head produces a clean, finished look 
• Washer head increases holding power
• Rubber washer seals the drill hole from the elements
• W-Cut™ thread design: tiny saw blades reduce torque by cutting through the material
• Zip-Tip™ for easy starts and no pre-drilling
• Low torque, smoother drive