As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration.18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.
$11.40 /Box
$39.38 /Box
$26.80 /Box
$27.17 /Box
$52.40 /Box
$10.64 /Box