Back Home / Fasteners / Washers / VIBRATION PROOF LOCK WASHER 1/2″ (12MM) 20(10PR)/BX VIBRATION PROOF LOCK WASHER 1/2″ (12MM) 20(10PR)/BX SKU: XA19287 Categories: Fasteners, Washers VIBRATION PROOF LOCK WASHER Bolt Size : 1/2″ or 12MM Outer Diameter : 49/64″ Hardness : Through Hardened: 465HVI Material : Carbon Steel VIBRATION PROOF LOCK WASHER Bolt Size : 1/2″ or 12MM Outer Diameter : 49/64″ Hardness : Through Hardened: 465HVI Material : Carbon Steel Case Quantity: 1 Log In For Pricing