Flat Washer USS - Plain

Each size of washer will indicate the inner diameter measurement. 

• Provides large circular bearing surface, helps prevent a nut or bolt head from pulling through the material
• Flat washes are typically used to spread the load
• Ensure joint tightness in threaded fastening applications
• They may also be used as spacers or wear pads
• When the fastener hole is larger in diameter than the fastening nut