Lock washers are usually affixed to the fastener's nut side. The spring tension exerted by lock washers prevents the fastener from vibrating loose.
31NLDLZ
$0.89 /Pair
.22NLOCZ
$32.92 /Box of 50 Only $0.66 Each
43NLETZ
$8.97 /Box of 100 Only $0.09 Each
100NLDLZ
$4.49 /Pair
10NLITS
$5.19 /Box of 100 Only $0.05 Each
125NLOCG
$161.10 /Box of 50 Only $3.22 Each
62NLITS
$35.32 /Box of 100 Only $0.35 Each
.5NLOCS
$3.20 /Box of 100 Only $0.03 Each
100NLOCZ
$19.00 /Box of 50 Only $0.38 Each
62NLITZ
$19.53 /Box of 100 Only $0.20 Each
8NLETZ
$2.96 /Box of 100 Only $0.03 Each
75NLITZ
$30.40 /Box of 100 Only $0.30 Each
8NLETS
$2.81 /Box of 100 Only $0.03 Each
37NLETS
$8.94 /Box of 100 Only $0.09 Each
50NLITS
$16.13 /Box of 100 Only $0.16 Each
8NLOCZ
$2.28 /Box of 100 Only $0.02 Each
8NLOC3
$2.48 /Box of 100 Only $0.02 Each
75NLETZ
.3NLOCZ
$2.08 /Box of 100 Only $0.02 Each
8NLITS
$4.42 /Box of 100 Only $0.04 Each
87NLOC
$14.82 /Box of 50 Only $0.30 Each
10NLHC
$6.65 /Box of 100 Only $0.07 Each
.3NLETZ
$1.25 /Box of 100 Only $0.01 Each
75NLOCI
$39.38 /Box of 25 Only $1.58 Each