We recommend using a torque wrench when installing u bolts.
1 2 u bolt torque.
New u bolts should be torqued after 2 weeks of usage.
100 ft lbs 120 ft lbs the replacement u bolt 1753223 uses a 1 2 inch nut so it would fall into the 45 to 70 foot pound category.
7 8 500 ft lbs.
9 16 130 ft lbs.
Bolt size tpi tension tightening torque range ft lbs min max min max galv waxed plain.
5 8 180 ft lbs.
Coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8 4 3.
All u bolts must be re.
3 2 u bolts that have been torque to a set preload are recommended to be re torque after a short time to take up the stretch in the set of the material.
We supply round u bolts square u bolts and semi round u bolt kits complete.
Grade 2 grade 5 grade 8 18 8 s s bronze brass.
A common practice in most maintenance facilities is to use a impact wrench to tighten u bolts.
U bolt torque pattern.
45 ft lbs 70 ft lbs 9 16 inch bolts.
1 1 8 950 ft lbs.
Consistent accurate torque is next to impossible to obtain with a impact wrench and in most cases an over torqued fastener is the result.
Coarse zinc plated u bolt designed to be installed through pre drilled designed to be installed through pre drilled holes these u bolts have 2 threaded arms that keep the bolt firmly in place.
Perfect for attaching piping conduit or other cylindrical items.
Suggested torque specifications based on u bolt size refer to vehicle manufacture s torque specification for exact torque.
Recommended u bolt torque specifications.
65 ft lbs 95 ft lbs 5 8 inch bolts.
Leaf spring u bolts are available from grade 5 u bolts to grade 8 u bolts.
3 4 315 ft lbs.
Re use of original used spring u bolts is not recommended due to fatigue and stretching when u bolt was originally torqued.
Leaf spring u bolt kits for heavy trucks medium and light duty trucks and auto applications.
1 2 90 ft lbs.
Size 3 8 24 7 16 20 1 2 20 9 16 20 5 8 18 5 8 18 3 4 16 3 4 16 7 8 14 7 8 14 1 14 1 1 8 12 1 1 4 12.
Torque ratings 1 2 inch bolts.
1 750 ft lbs.
Suggested torque values for u bolts torque u bolts evenly dayton s full line of u bolt kit features size diameter x thread torque ft.