Description
Overview
The GRK Fasteners 5/16 in. x 6 in. Structural Screw (12235) is designed for heavy-duty structural fastening applications including carrying beams, ledger boards, stair rails, deck posts, and playground equipment for both interior and exterior use.
| Specification | Detail |
|---|---|
| MPN | 12235 |
| Brand | GRK Fasteners |
| Size | 5/16 in. x 6 in. L |
| Head Type | Washer Head |
| Drive Style | Star (Torx-style) |
| Thread Type | Self-Tapping (W-Cut Design) |
| Material | Hardened Steel |
| Finish / Coating | Climacoat (Yellow) |
| Self-Drilling | Yes |
| Indoor / Outdoor Use | Indoor and Outdoor |
| Driver Bit Included | Yes |
| Package Quantity | 50 pack |
| Package Weight | 7.89 lb |
| Packaging Type | Clamshell |
| UPC | 772691122353 |
Technical Features
- Specially Hardened Steel Construction: Provides the tensile strength required for load-bearing structural connections in beams, posts, and ledger boards.
- W-Cut Thread Design (Zip Tip): The patented W-Cut thread geometry reduces driving resistance and allows the screw to self-tap into wood without pre-drilling, saving installation time.
- Self-Drilling Point: Eliminates the need for pilot holes in most applications, enabling faster penetration and reducing split risk in lumber.
- Climacoat Finish: Yellow corrosion-resistant coating rated for both interior and exterior exposure, protecting fastener integrity in outdoor structural applications.
- Washer Head Design: Built-in washer head distributes clamping load over a wider surface area, reducing the risk of pull-through in structural connections.
- Star Drive Style: Provides high torque transfer and reduces cam-out compared to traditional Phillips or slotted drive profiles, improving installation control.
- Driver Bit Included: Each 50-pack includes a compatible star driver bit, enabling immediate use without sourcing additional tooling.
Applications
- Carrying beams and structural lumber connections
- Ledger board attachment to rim joists or foundation structures
- Deck post and railing assembly
- Stair rail installation
- Playground equipment structural fastening
- General professional structural applications requiring interior or exterior-rated fasteners
California Residents: See Proposition 65 Warnings before use.
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