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Home Fasteners Nuts, Bolts, Screws Screws Structural - Ledger Screws WSWH278-R50 2-7/8IN WASHER HEAD STRUCT WOOD SCREW

WSWH278-R50 2-7/8IN WASHER HEAD STRUCT WOOD SCREW

PART 644372
SUPPLIER USP STRUCTURAL CONNE
SUPPLIER PART # WSWH278-R50
RANK E
SHELF PACK 5
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About this item

WSWH278-R50 Washer Head Structural Wood Screw – ¼″ × 2-7/8″ Exterior Grade (50-Pack)

Product Overview

The WSWH278-R50 is a premium structural wood screw designed for exterior applications requiring maximum strength and a secure, flush finish. Featuring a washer-style head for superior load distribution and a corrosion-resistant coating, this screw is ideal for heavy-duty wood-to-wood connections in outdoor environments. Each pack contains 50 screws for large-scale projects.

Key Features

  • Washer Head Design – Provides extra bearing surface for strong, secure fastening
  • Self-Drilling Type 17 Point – Eliminates pre-drilling and reduces wood splitting
  • Exterior-Grade Triple Zinc Coating – Protects against rust and corrosion
  • High-Strength Alloy Steel – Ensures exceptional shear and withdrawal performance
  • Length Stamped on Head – Quick identification during installation
  • Optimized Thread Design – Delivers strong grip and reduced installation torque

Specifications

Specification Details
Model WSWH278-R50
Diameter ¼″ (0.25″)
Length 2-7/8″
Head Type Washer Head
Drive Type T-30 Star Drive (Torx)
Point Type Type 17 self-drilling
Material High-strength alloy steel
Finish Triple zinc coating (exterior rated)
Quantity 50 screws per p

Applications

Perfect for structural and outdoor projects, including:

  • Deck framing and ledger connections
  • Beam-to-post assemblies
  • Exterior timber joints and pergolas
  • Fencing and garden structures
  • Subfloor and structural framing

Benefits

  • Secure Load Distribution – Washer head design prevents pull-through
  • Fast Installation – No pre-drilling required
  • Corrosion Resistance – Triple zinc finish for outdoor durability
  • Strong Structural Performance – Meets demanding load requirements

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Brand USP Structural Connectors
Finish Yellow Zinc Coating
Diameter 1/4 Inch
Diameter 2-7/8 Inch
Diameter 1/4 in
Drive Size T30
Grade 5
Head Type Washer
MFR IS16
Material Steel
Overall Length 2-7/8 in
SKU 43077578
Type Structural
Weight 3.0 lb
UPC Code 081942141884
Shelf Pack 5
Minimum Order Qty 1