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GRK Fasteners 95400 RSS Rugged Structural Screw, 5/16 in. x 3-1/8 in., Star Drive Washer Head, Climatek, 100-Pack
Mfr #: 95400BB #: grk-fasteners-95400-grk-fasteners-95400-rss-rugged-structural-screw-5
Last verified Oct 2, 2026 — price check expired
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🗎 Product description from the manufacturer spec sheet
GRK Fasteners 95400 is a 100-pack of RSS Rugged Structural Screws, 5/16 in. x 3-1/8 in., a self-tapping lag screw alternative for structural wood-to-wood connections such as ledger boards and deck framing. The screws have a low-profile washer head with cutting pockets for maximum clamping force, a recessed T-30 star drive, W-Cut thread and CEE thread with Zip-Tip point for fast driving without pre-drilling or splitting, case-hardened steel construction, and a Climatek coating for corrosion resistance in interior and exterior use, including pressure-treated lumber.
▦ Specifications spec-checked before it ships
- Manufacturer
- GRK Fasteners
- Series
- RSS Rugged Structural Screw
- Size
- 5/16 in. x 3-1/8 in.
- Drive
- Star (Torx) T-30, recessed
- Head
- Low-profile washer head with cutting pockets
- Thread
- W-Cut with CEE Thread and Zip-Tip
- Material
- Case-hardened steel
- Coating
- Climatek
- Pack Quantity
- 100
- Application
- Structural wood-to-wood; lag screw alternative; interior/exterior incl. pressure-treated lumber
⌗ Cross-references every known SKU, MFR & MPN
MPN95400
SKUThe Home Depot # 311953111