How to Use a Split-Lock Washer

Written by keith dooley
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How to Use a Split-Lock Washer
(Hemera Technologies/ Images)

Split-lock washers are similar in shape to a common flat washer. However, a split lock washer has one side that is cut through. The split-lock washer is bent so that the ends to either side of the cut bend out away from the washer in opposite directions. A split-lock washer is used in combination with a flat washer to help hold a nut in place and prevent it from working loose.

Skill level:

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Things you need

  • Bolt
  • Washer
  • Split-lock washer
  • Nut
  • Adjustable wrench
  • Socket wrench

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  1. 1

    Insert a bolt through the hole in one or more objects, based on the project at hand.

  2. 2

    Place a common flat washer on the end of the bolt. Slide the washer down the bolt until it rests against the object.

  3. 3

    Place a split-lock washer on the bolt and slide it down until it contacts the flat washer.

  4. 4

    Thread a nut onto the threads of the bolt and turn it to finger-tighten the nut as much as possible.

  5. 5

    Hold the head of the bolt with an adjustable wrench. Place a socket wrench on the nut. Hold the bolt head steady with the wrench and turn the adjustable wrench to tighten the nut down onto the bolt so the split-lock washer will become compressed and hold the nut in place.

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