Dadi di bloccaggio 1"-14 Hi Performance in acciaio zincato profilo sottile con inserti in nylon

X1Tools Hi Performance Zinc-Plated Grade 5 Steel Thin-Profile / Low Profile Nylon-Insert Locknuts / Stop-Nuts are made to resists loosening due to use or vibration without damaging threads thus prevent a fastener from backing off.

eBay