Internal Tooth Lock Washers have inward extending teeth made to bite into the nut/screw head and surface it comes into contact with. They're great for small screws or screws used in electrical grounding.
56NLITZ
$17.37 /Box of 100 Only $0.17 Each
43NLITZ
$8.97 /Box of 100 Only $0.09 Each
10NLITZ
$2.99 /Box of 100 Only $0.03 Each
4NLITZ
$2.40 /Box of 100 Only $0.02 Each
12NLITZ
$3.80 /Box of 100 Only $0.04 Each