patented Rugged Structural Screws are made of specially
hardened steel to provide high tensile, torque and shear
strength. Sharp threads and points bite instantly into
building materials (including hardwood) - reducing the
splitting effect due to smaller shanks.
Our round head with built-in shield (washer type head)
has no sharp edges such as on conventional lag screws.
The added shoulder (nominal diameter) underneath the
washer has the ability to center the RSS ® screw
in pre-drilled hardware like hinges and connector plates.
Self-tapping screws with W-Cut thread design, Zip-Tip,
and Climatek coated
May be used for Lagscrew replacement
Sharp threads & points
Climatek plated & hardened steel
The RSS screw is the only lag screw replacement of
The RSS ® is available in a variety of sizes up
to 16". RSS ® fasteners are available with
(gold colored) Climatek ® coating and some sizes
are available in Pheinox ® stainless steel. Discerning
builders appreciate the quality, appearance, ease-of-use
and technical merits of choosing GRK Fasteners for their