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Home Fasteners Nuts, Bolts, Screws Screws Structural - Ledger Screws WSWH8-EXTR12 8IN WASHER HEAD STRUCT WOOD SCREW

WSWH8-EXTR12 8IN WASHER HEAD STRUCT WOOD SCREW

PART 644377
SUPPLIER USP STRUCTURAL CONNE
SUPPLIER PART # WSWH8-EXTR12
RANK D
SHELF PACK 10
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About this item

WSWH8-EXTR12 Washer Head Structural Wood Screw – ¼″ × 8″ Exterior Grade

Product Overview

The WSWH8-EXTR12 is a heavy-duty structural wood screw designed for the most demanding exterior applications. With an extra-long 8″ length and a washer-style head for superior load distribution, this screw is perfect for large timber connections and outdoor structural projects. Its corrosion-resistant triple zinc coating ensures long-lasting durability in harsh environments.

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 – Delivers exceptional shear and withdrawal performance
  • Length Stamped on Head – Quick identification during installation
  • Optimized Thread Design – Ensures strong grip and reduced installation torque

Specifications

Specification Details
Model WSWH8-EXTR12
Diameter ¼″ (0.25″)
Length 8″
Head Type Washer Head
Drive Type T-30 Star Drive (Torx)
Point Type Type 17 self-drilling
Material

High-strength 

Applications

Ideal for large-scale structural and outdoor projects, including:

  • Heavy-duty deck framing and ledger connections
  • Beam-to-post assemblies for pergolas and outdoor structures
  • Timber framing and large wood joints
  • Fencing and garden structures requiring extra-long fasteners

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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Length 8 Inch
Brand USP Structural Connectors
Color Multicolor
Assembled Product Dimensions (L x W x H) 9.26 x 19.91 x 6.85 Inches
CarriedMemberFastenerType (4) 10d X 1-1/2 In Hot Dip Galvanized Nail
CarryingMemberFastenerType (8) 10d Hdg Nail
Height 1-1/2 In
Length 6-1/8 In
LoadCapacity 930 Lb
Manufacturer Part Number TPP36
Material Steel
Model WSWH8-EXTR12
Overall Length 1-1/2 in
Series Jl
Style Face Mount
Thickness 18 Ga
Type Standard, Invert Flange
Weight 2
Width 1-9/16 In
UPC Code 081942148876
Shelf Pack 10
Minimum Order Qty 1