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.
$9.12 /Box
$55.02 /Box
$15.28 /Box
$18.69 /Box
$31.16 /Box
$8.17 /Box