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.
$4.26 /Box
$31.50 /Box
$7.14 /Box
$9.43 /Box
$15.02 /Box
$7.60 /Box