Best Export U Bolts

(4) Hot Dipped Galvanized Dipped Square U-Bolts (1/2\ D x 2 1/16\ W x 6 5/16\ L) for Boat Trailer

U-bolt Size: 1/2" D x 2-1/16" W x 6-5/16 L, thread length: 2-1/2" inches, suitable for 2" x 2" square beams and shafts, (order Please check the measurement size carefully before).
Hot Dipped Galvanized : U-bolts are made of Hot Dipped Galvanized，The white surface is a thick galvanized layer, which enhances the rust and corrosion resistance of the U-bolt..
You can get: (4) U-bolts, (8) hexagon nuts, (8) flat washers, (8) lock washers, these additional accessories are also Hot Dipped Galvanized. With these, you can spend less time repairing and more time boating.
Tips:Use a hand wrench or socket ratchet when installing the nut. Do not use high-speed power tools or impact tools to tighten the nuts..
After-sales service: Our U-bolts provide a one-year warranty service. Please rest assured, if you have any questions, please feel free to send us an email via Amazon. We will solve it for you within 24 hours..

STOP: ONLY USE a Hand Socket Ratchet or wrench to run the nuts up and tighten..
DO NOT USE an impact or powered socket driver. Ignoring this instruction will cause U-Bolt Galling / Seizing / Breaking / Failure / Expletives / Sawzall. Let's keep it Fun, and Successful..
U-Bolt Size: 1/2" Diam x 3- 1/16" Inside Width x 4- 5/16" Inside Height (Length).
Attention: When measuring for Your needed Height (Length), add 1" for the nut and washer..
Threading: 1/2"-13 with a thread length of 2- 1/2"..
U-Bolts and hardware are made out of 304 Stainless Steel..
These U-Bolts will fit on 3" x 3" cross members, such as 3" x 3" box steel..

This kit is for 2,000lbs round axle which axle beam dia 1-3/4" ..
4 x 4-1/4" long U bolts, U bolts dia. 1/2", stronger than regular 3/8" dia bolts.

3,500lbs capacity per each spring, for standard 7,000lbs trailer axle , Eye to Eye length: 25-1/4", Free open: 3", width of leaf: 1-3/4", 6 leaves, 9/16" bushing dia.
It will replace SW6 / LIB-601-DE / UNA223 / PR6 / 9150021 (different SKU# but same spring).
Include 5,200-7,000lbs axle U-bolt kit for 3" dia round trailer axle, Kit include: 4 x 7" long U bolts, U bolts dia. 1/2".
2 x tie plates for 1-3/4" or 2" leaf springs.
Include Complete tandem trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x EQ-E1 equalizers, 6 x 3" tall hangers, 8 x shackle straps, 14 x 9/16"-18 x 3" long shackle bolts and locknuts.
LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers..

(4) 5 Leaf Slipper Spring for 7000 lb Axles.
(4) U-bolt Tie Plates for 1-3/4" or 2" Spring.
(8) 3-1/2" long x 9/16" diameter shackle bolts.
(2) 4-11/16" long x 7/8" diameter equalizer bolts.
This supsension and hanger kit is for a 7k tandem axle setup (14K total capacity).

1,750lbs capacity per each spring, for standard 3,500lbs trailer axle,Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed.
It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring).
Include 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles , Kit include: 4 x 5-1/2" long U bolts, U bolts dia. 1/2".
Include Complete tandem trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x EQ-E1 equalizers, 6 x 3" tall hangers, 8 x shackle straps, 14 x 9/16"-18 x 3" long shackle bolts and locknuts.
LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers..

Package includes: stainless steel u-bolt set include 4 pieces u-bolts, 8 pieces stainless steel flat washers, 8 pieces stainless steel nylon lock nuts, 8 pieces lock washers, all accessories are made of 304 stainless steel.
U-bolt size: 1/2 x 3-1/16 x 4-5/16 inch (D x W x L), thread length: 2-1/2 inches, suitable for 3 x 3 inch square beams and shafts.
Stainless steel material: u bolts for boat trailer are made of 304 stainless steel, strong and long-lasting.
These 304 stainless bolts prevent rust corrosion, acid corrosion and wear.
It's still perform well in rainy and humid seaside environment.
How to use: firstly choose the corresponding square U shaped bolt according to the size of the pipe, then drill holes in the connection, and finally lock nut and flat washer.
Use a hand wrench or socket ratchet when installing nuts.
Do not use an impact or a high speed socket driver.
Wide application: square u-bolt is applied to fix or connect the locked parts to rectangular wood and metal objects, such as cars, sailboat trailers, pipe, tube, plumbing and other industrial applications.

This 4" lowering block kit includes just what you need to drop your car's leaf spring rear suspension.
Extruded aluminum lowering blocks are 2-1/2" wide and 5" long.
U-bolts fit 3" diameter axle housings and are 10" long to fit a variety of applications.
U bolts are a premium steel construction and are zinc plated for corrosion resistance.
Drops the ride height on vehicles with the axle mounted on top of the leaf springs.