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Application – 9/16"-18 x 3-1/2" trailer leaf spring shackle bolts and locknuts for mounting slipper spring onto hanger bracket or equalizer. Mostly used on mounting 2" wide slipper or double eye leaf springs onto hanger bracket or equalizers. Common on trailers with 6,000 lb and 7,000 lb axles.
Feature –Diameter: 9/16"; Threads per inch: 18; Length: 3-1/2", Grade: 5; 9/16-18 lock nuts
Material – It’s made of premium steel with black oxidize finish, durability, anti-corrosion and anti-rust.
Package Include – 4 bolts and 4 nuts. Easy to install; No welding, grinding, or cutting the trailer frame; No special axle hangers required；Doesn’t change ride height.
Satisfaction Guarantee - Besttruck values customers shopping experience and provides customers with a good shopping environment. If you are not satisfied with the product, you can choose to return it, we support a 30-day full refund and a one-year warranty.

Product Description

9/16" -18 x 3"