Monday, October 28, 2013
Installation Instructions for the Teflon Insert Jam Nut
A jam nut is used in the same area as a locking washer and performs the same duty. Jam nuts are thinner than a traditional nut and contain a Teflon lining inside to hold tightly to bolt threads and secure it in place. Tightening a traditional nut on top of a jam nut causes stress on the jam nut and reverses the bolt strains so that each nut presses on the threads in opposite directions. Installing jam nuts on mechanical components that vibrate will keep the nuts from loosening.
Instructions
- 1
Insert a washer onto a hex head bolt and push it down to the head. Insert the threaded end of the hex head bolt into the items you are holding together. Slide a washer onto the end of the bolt threads and push it toward the material it is holding together.
2Insert a Teflon insert jam nut onto the protruding end of the bolt. Turn the nut clockwise and tighten it by hand. Tighten the jam nut completely with an adjustable wrench.
3Insert a nut on the protruding end of the bolt. Hand-tighten the nut clockwise and then tighten it completely on top of the jam nut with an adjustable wrench.
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