Insulation Fasteners: Self-Lock Washers | GLT Products

Self-Locking Washers: Round-Beveled

The GLT Products round self-locking washer is manufactured primarily in Mild Steel, with Standard Stainless and Aluminum sizes available. In several variations of round sizes, this insulation washer mounts on many types of insulation fasteners for holding insulation material in place. The gauge of the pin, or diameter, should match the fastener to be affixed onto.


  • Diameter: 1-3/16"
  • Hole Gauge: 10 GA, 12 GA, 14 GA
  • Material: Mild Steel
  • Plating: Galvanized
  • Edge: Beveled



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