Dadi di bloccaggio 3/4"-16 UHP nero-ossido grado 8 acciaio profilo sottile inserto nylon
X1Tools Ultra-Hi-Performance Black-Oxide Grade 8 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.