- Some stock photographs may show options that are not included. Please check product description.
GRK Fasteners
RSS™ Washer Head Star-Drive Steel Rugged Structural Screws, 100-Piece, 5/16" X 4"
- Mfg.#
- GRK 12225
- Sku#
- 9814385
- W-Cut provides low installation torque which allows for fast driving and ease of install
- Zip-Tip allows for faster penetration
- Unique thread design draws two substrates together while washer head allows zero gap joints
- Climatek coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact
- ESR-2442 approved for structural applications
* Estimated stock levels as of Mon, Mar 23, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
RSS Rugged Structural Screw is an easy to install lag alternative.
Specifications
General
| Drive Style | Star |
|---|---|
| Pack Qty | 100 |
| Type | Structural Screw |
Dimensions
| Length | 4 in |
|---|---|
| Size | 5/16 in |
Item added to your cart!
GRK Fasteners
RSS™ Washer Head Star-Drive Steel Rugged Structural Screws, 100-Piece, 5/16" X 4"