Our Self-Sinking Screw with integral barber edges saves time by completely eliminating the necessity of drilling a separate countersunk opening.
Saves Time & Money
Countersinks a Sharp Flush Appearance
Will Not Corrode
Great for Hard Backer Board
Reusable
PATENT DETAILS
Design Patent D678,758
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Story Behind the Invention
Inventors Joseph H. Ross and Christopher S. Ross of Alameda, CA have designed a specialized screw that automatically provides a countersinking drilling function during insertion.
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