THE BOLT CAP

BOLT CAPUnder certain operating conditions (e.g., vibration) threaded connections progressively’m quite unhinged by it. To avoid this, do not have to screw the lock nut: its role can play and a kind of cap, bitumen or melted plastic coated on the end of the bolt and nut.
 
V. GOLOVASHIN, Rybnoe, Ryazan region.

Recommend to read

  • “CHANGELING” TRANSPORTATION DESERTS“CHANGELING” TRANSPORTATION DESERTS
    Imagine a vast red-hot desert with shifting dunes. In such Sands are buried and tracked ATVs. But... like tumbling over the sand dunes, we were quickly approaching a strange device. The...
  • ITS INSTRUMENTALITS INSTRUMENTAL
    Product handling abrasive tool (grinding) in most cases is finishing and finishing operation, ensuring high-purity and surface quality. Use it for rough work — cleaning workpieces from...