12mm x 25mm Internal Tooth ing ing Washers 20PCS

Key Features

• Product Name ing Washer; Material Metal
• Weight 28g; Package Content 20 x ing Washers
• Thickness 0.5mm / 0.02"; Fastener Type Internal Tooth Washers
• Shaft Diameter 12mm / 0.47"; Outside Diameter 25mm / 1.0"
• Color Black

Product Description

A washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.These washers create a permanent installation and will on plastic, steel etc.