Description
Overview
The GRK RSS Structural Screw (10225) is designed for structural fastening applications including carrying beams, ledger boards, stair rails, deck posts, and playground equipment in both interior and exterior environments.
| Specification | Detail |
|---|---|
| MPN | 10225 |
| Brand | GRK Fasteners |
| Size | 5/16 in. x 4 in. |
| Material | Specially Hardened Steel |
| Finish / Coating | Climatek (Climacoat) Yellow |
| Head Type | Washer Head |
| Drive Style | Star (Torx-style) |
| Thread Type | Self-Tapping (W-Cut Design) |
| Self-Drilling | Yes |
| Indoor / Outdoor Use | Indoor and Outdoor |
| Package Quantity | 400 per Box |
| Packaging Type | Boxed |
| Driver Bit Included | No |
| Package Weight | 14.16 lb |
| UPC | 772691102256 |
Technical Features
- Climatek (Climacoat) Coating: Yellow corrosion-resistant finish rated for both interior and exterior exposure, extending service life in outdoor structural applications.
- Specially Hardened Steel Construction: Provides the tensile and shear strength required for load-bearing structural connections such as beam-to-beam and ledger-board installations.
- W-Cut Zip Tip Thread Design: Self-tapping thread geometry reduces installation torque and eliminates the need for pre-drilling, accelerating fastening speed on the job site.
- Washer Head Design: Integrated washer head distributes clamping load over a wider bearing surface, reducing pull-through risk in structural lumber and engineered wood.
- Star Drive Style: High-engagement drive recess reduces cam-out during high-torque installation, improving control and reducing bit wear.
- Self-Drilling Tip: Sharp point penetrates material without a pilot hole, streamlining installation in field conditions.
- 5/16 in. Diameter x 4 in. Length: Screw dimensions suited for deep structural connections requiring substantial holding power through dimensional lumber.
- 400-Count Boxed Packaging: High-volume pack quantity supports large-scale structural framing and decking projects with reduced resupply frequency.
Applications
- Carrying beam and header connections
- Ledger board attachment to house framing
- Deck post and stair rail fastening
- Playground structure assembly
- General exterior structural lumber fastening
- Interior structural framing connections
California Residents: See Prop 65 Warnings before use.
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