https://www.mccoys.com/shop/p/5378468-052303-12/grk-fasteners-rss-series-95312-structural-screw-3-18-in-l-coarse-thread-washer-head-torx-drive-steel-zinc-plated
RSS Series 95312 Structural Screw, 3-1/8 in L, Coarse Thread, Washer Head, Torx Drive, Steel, Zinc-Plated
Sku: 5378468-052303-12
$22.80
10 Available at
SHIP TO STORE
Estimated Arrival On: 12/18/2025
RSS black structural screws are designed for outdoor and decking applications. The black coating provides a bold finish for structural connections.
- Black coating matches decorative hardware for a cohesive looking deck build
- Integrated washer head for maximum clamping force
- Unique thread design draws two substrates together while its washer head allows zero gap joints
- For use in heavy-duty structural applications and deck substructures as a replacement for lag screws and other remodeling applications
Length
3-1/8
Thread Type
Coarse
Head Type
Washer
Drive Type
Torx
Material
Steel
Finish
Zinc-Plated
Package Quantity
25
Thread Length
1.61
Drive Size
5/16
Grade
SAE
Color
Black
Applicable Materials
Wood
Shear Strength
123,592
Tensile Strength
178,051
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