45° Wedge Washer

Cost-reducing Solution for Steel to Wood Connections
  • Code Approval
  • ICC * with the use of ASSY Fully Threaded fasteners
  • Connection Type
  • Wood/Steel
  • Manufacturer
  • SWG

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Product Description

Product Description

The 45° wedge washer with a pre-drill jig is a cost-reducing solution for steel to wood connections. The wedge washer is inserted into a simple, punched or machined hole with an elliptical shape.


  • Designed for Countersunk head fasteners

The minimum required steel plate thickness is reduced to ¼” while maintaining connection capacities. The possibility of reducing the steel plate thickness in combination with simple hole fabrication and fastener installation creates new opportunities for innovative design professionals in timber engineering.

Design Guides

Design Guides

Structural Screw Design Guide

The most complete tool for high-capacity mass timber connections design using ICC and CCMC code approved ASSY structural fasteners.

Structural Mass Timber Fastening Design Guide

Companion to the Structural Screws Design Guide, it provides pre-designed, easy-to-read tables for tens of mass timber connections using high-capacity ASSY self-tapping screws.

Code Approvals

Code Approvals

ICC Code Approval ESR-3179 for Partially Threaded Fasteners - 2021 Edition (August)

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