16mm x 100mm Greaseable Shackle Bolt have UNF threads and nylocks.
Greasable shackle bolts can often be difficult to locate and purchase because they are such a favourite item. Couplemate carries large stocks of this shackle bolt and will dispatch your purchase within 2 hours of order because we know you want your shackle bolts urgently.
Internet orders are automatically placed on the top the packing slips to enable immediate dispatch.
Suits most standard for use in the 60mm eye to eye or shackle springs with steel bushes.
5/8 = 16mm
16mm x 100mm Greaseable Shackle Bolt suit a variety of leaf springs where a situation of metal on metal exists. Example, rocker springs and outback springs have a metal roller or bush that requires a greaseable shackle bolt.
Non-greaseable bolts fit inside a self-lubricating nylon bush and do not need grease. If you springs have nylon bushes, it is not advisable to change your shackle bolts to greaseable.
The knurl under the head has a particular purpose. The knurl locks into the shackle plate to help prevent the bolt from spinning during spring compressions.
On standard tandem and outback springs, the knurl is welded onto the shackle plate to stop the bolt from turning. A rotating bolt in the shackle plate, wear significantly increases.
How to tighten shackle bolts.
- Tighten 16mm x 100mm greaseable shackle bolt until home.
- Back off 1/4 turn.
- You need a small space between your shackle plates and spring otherwise you will develop an annoying squeak.
- This squeak is due to no tolerance between shackle plates and spring.
Standard 4″ Shackle Bolts can be located by clicking these links.