GRK is dedicated to providing retailers with products unparalleled in the building supply industry. All ACQ screws are made with harden steel and are torque drive for the best interaction between the screw and the contractor's tool.
FINISH TRIM SCREWS
Finish Trim Screws are available in sizes 1-1/4" to 5" lengths in both ACQ galvanized and stainless steel.
COMPOSITE TRIM SCREWS
- Composite Trim Screw is similar to Finish Trim Screws in terms of design but includes a reverse thread under the head.
- This allows the screw to bury itself in any style composite, leaving only some shavings from the decking which, once hammered down, makes the fastener penetration almost invisible.
- Trim Screws have the stainless steel option.
R4 MULTI-PURPOSE SCREW
The R4 All-purpose Screw is designed with an aggressive head to handle all types of applications and also may come in stainless steel.
We stock sizes that range from 1-½" to 12".
RSS STRUCTURAL SCREW
The RSS screws may come in stainless steel.
- The RSS Structural Screw is a heavy duty screw made to meet the demands of both residential and industrial fastening. These screws meet the international codes for structural fasteners and are stocked in sizes ranging from 1-¼" to 12" lengths.
- They have built-in washers as part of the head for better holding strength. The head is stamped with the RSS size, so any screw can be identified even into any material.
They created a vinyl screw which interlocks into the vinyl window allowing it to make adjustments to the window without removing the screw
DIY ADJUSTMENT SCREWS
- The DIY Adjustment Screw is made for wood doors and windows. It replaces the need to place shims in order to balance the install
- This screw is a two-in-one system, with the top collar moving independently off the coarse thread of the lower half.