We use cookies on this site to enhance your user experience. By clicking "I AGREE" below, you are giving your consent for us to set cookies. Privacy Policy

text.skipToContent text.skipToNavigation

MTW45-8 Mass-Timber Angled Washer

MTW45-8

On This Page

Inclined screws greatly increase the strength and stiffness of mass timber connections. The Simpson Strong-Tie® MTW45-8 is designed for use with a wide variety of 10 gauge–33 ksi connection plates and 8 mm-diameter Simpson Strong-Tie Strong-Drive® SDCF Timber-CF screws driven at a 45º angle.

Key Features

  • Recessed hole provides a clean finish with the SDCF countersunk head
  • Guides screw to an accurate 45º angle
  • High capacity reduces number of screws required in a connection
  • Material: ASTM A27, Grade 70–40
  • Finish: Galvanized

Installation

  • Use all specified MTW45-8 washers and Strong-Drive SDCF Timber-CF screws.
  • Minimum connector plate is 10 gauge (0.126" minimum thickness), with ASTM A653 SS Grade 33, or ASTM A1011 Grade 36, Type 2.
  • Fabricate plates with obround holes as given in the installation images. If plates are galvanized after holes are punched, oversize holes to account for galvanized thickness.
  • Insert MTW45-8 into obround holes and drive Strong-Drive SDCF Timber-CF screws at a 45º angle in the direction specified by the designer. Countersunk screw heads shall be fully seated into MTW45-8 screw hole.

Related Literature

Product Information Table

Fastener Production Information and Stuff & Things
New products
Model No. Coating/Material Packaging Qty.
MTW45-8-R10 Zinc Galvanized, G90 10

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT