1" External Tooth Lock Washer ASME B18.21 Type A Zinc Plated

External Tooth Lock Washer ASME B18.21 Type A Zinc Plated is engineered for general load-spreading fastening, with the surface area, plate thickness and corrosion-rated finish required to distribute clamping load under bolted joints, prevent pull-through on soft substrates and suit oversized hole assemblies. Mudguard washers, supa washers and standard plain washers in the range cover a wide range of fastening tasks across trade and industrial work. Suited to general fastening load spreading, soft substrate assemblies (timber, panels, plastics), roofing and cladding fixings, plumbing and electrical fastening, and workshop bolted joints. Manufactured to recognised engineering standards across plain, zinc plated, hot dip galvanised and stainless steel finishes. Built to deliver reliable load distribution through repeat trade use