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U Bolt Mounting Plates and Shackles

Boat Trailer Frame Plates and Shackles are used in many different areas of Boat Trailers. Some common used include Trailer Leaf Springs, Spring Slider Assemblies, Fender Bracket Mounts, Winch Posts, and Trailer tongues. We have a large selection available to be used with 3/8" Diameter and 1/2" Diameter U Bolts and Bolts. We additionally have many different width options. You will select the correct shackle based of the Diameter of U Bolt used and the Width of the U Bolt used. We have these U Bolt plates available in aluminum, galvanized, and raw steel. 
Total Items: 22
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Trailer Leaf Spring Shackle Steel 2 1/4 in Center Hole, 3 1/2 in Overall
Item Sku: 100286
MPN: N/A

For Use with 9/16" Leaf Spring Bolts

Used for Double Eye Leaf Springs

Raw Steel Finish Can be Painted to Match your Trailers
Spring Shackle
$2.80
In Stock
Trailer Leaf Spring Shackle Steel 2 1/2 in Center Hole, 3 3/4 in Overall
Item Sku: 100287
MPN: N/A

For Use with 9/16" Leaf Spring Bolts

Used for Double Eye Leaf Springs

Raw Steel Finish Can be Painted to Match your Trailers
Raw Steel Leaf Spring Shackle for 9/16 inch Spring Bolts
$3.13
In Stock
Trailer Leaf Spring Shackle Steel 3 1/8 in Center Hole, 4 3/8 in Overall
Item Sku: 100288
MPN: N/A

For Use with 9/16" Leaf Spring Bolts

Used for Double Eye Leaf Springs

Raw Steel Finish Can be Painted to Match your Trailers
Spring Shackle for 9/16 inch Spring Bolts 3 1/8 inches Center To Center
$2.63
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 2 1/4 inch Center Hole
Item Sku: 100289
MPN: N/A

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized Strap Link for boat Trailer Leaf Spring Suspension
$3.52
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 2 1/2 inch Center Hole
Item Sku: 100290
MPN:

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized for Boat Trailer Double Eye Leaf Spring
$4.42
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 3 1/2 inch Center Hole
Item Sku: 100291
MPN:

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized for Boat Trailer Leaf Spring Suspension
$4.24
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 3 3/4 inch Center Hole
Item Sku: 100292
MPN: N/A

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized for boat Trailer Double Eye Trailer Leaf Spring Suspension
Sale
$4.67  $2.92
In Stock
Galvanized 3 Hole Plate large for Diagonal Axle U Bolts Kits
Item Sku: 100484
MPN: N/A

Mounts on U Bolts with 3 1/16" Width

Popular uses: Diagonal Axle u bolt

Hot Dipped Galvanized finish is great for boat trailers
3 Hole Plate
$4.75
In Stock
Galvanized 3 Hole Plate small for Boat Trailers
Item Sku: 100485
MPN: N/A

Mounts on U Bolts with 2 5/8" Width

Popular uses: Diagonal Axle u bolt

Hot Dipped Galvanized finish is great for boat trailers
3 Hole Plate small
Sale
$3.61  $3.03
In Stock
Aluminum Frame Plate 6
Item Sku: 101123
MPN:

Made of 3/8" Thick Aluminum

Has 1/2" Slotted holes for 3" Wide and 4" Wide U Bolts

Ideal for mounting frame material
Aluminum U Bolt Plate for Trailer Tongue or Bunk Bracket
Sale
$6.26  $5.90
In Stock
Aluminum Frame Plate 8 1/4
Item Sku: 101124
MPN:

Made of 1/4" Thick Aluminum

Has 3/8" Pre Drilled Holes for 3/8" Bolts

Ideal for mounting frame material
Aluminum U Bolt Plate for Trailer Tongue or Bunk Bracket
Sale
$13.65  $8.42
In Stock
Aluminum Frame Plate 6 1/2
Item Sku: 101125
MPN:

Made of 3/8" Thick Aluminum

Has 1/2" Slotted holes for 3 1/2" Wide and 4 1/2" Wide U Bolts

Ideal for mounting frame material
Aluminum U Bolt Plate for Trailer Tongue or Bunk Bracket
$6.40
In Stock
Aluminum Frame Plate 8 1/4
Item Sku: 101126
MPN:

Made of 3/8" Thick Aluminum

Has 1/2" Holes for 1/2" Trailer Bolts

Ideal for mounting frame material
Aluminum U Bolt Plate for Trailer Tongue or Bunk Bracket
Sale
$19.08  $10.18
In Stock
Galvanized U Bolt Plate for 3/8
Item Sku: 101127
MPN: 46-P4

Made 1/4" Thick Galvanized Steel

3/8" Holes Drilled 4 inches Apart

Great for securing Frame Material
Galvanized U bolt Mounting Plate for 3/8 inch diameter U Bolt
$4.50
In Stock
Galvanized U Bolt Plate for 3/8
Item Sku: 101128
MPN: 46-P3

Made 1/4" Thick Galvanized Steel

3/8" Holes Drilled 3 inches Apart

Great for U Bolts 3 inches Wide
Galvanized U bolt Mounting Plate for 3/8 inch diameter U Bolt
$4.20
In Stock
Galvanized U Bolt Plate for 3/8
Item Sku: 101129
MPN: 46-P2

Made 1/4" Thick Galvanized Steel

3/8" Holes Drilled 2 inches Apart

Great for U Bolts 2 inches Wide
Galvanized U bolt Mounting Plate for 3/8 inch diameter U Bolt
$5.64
In Stock
Stainless Steel Boat Trailer Leaf Spring Shackle  2 1/2 inch Center Hole
Item Sku: 101407
MPN: 25421

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Full Stainless Steel - Great for Boat Trailers
Spring Shackle Stainless Steel for Boat Trailer Double Eye Leaf Spring
Sale
$9.92  $8.81
In Stock
Aluminum Trailer Tie Plate 6 1/2
Item Sku: 141727
MPN:

6 1/2" Overall Length

2" Width

7/16" Diameter Holes
a1/4" Thick Aluminum Tie Plate 7/16" Diameter Holes
$5.94
In Stock
Aluminum Trailer Tie Plate 7 3/4
Item Sku: 141728
MPN:

7 3/4" Overall Length

2" Width

7/16" Diameter Holes
1/4" Thick Aluminum Tie Plate 7/16" Diameter Holes
Sale
$6.21  $3.01
In Stock
Aluminum Boat Trailer Frame Plate 8 1/2
Item Sku: 143362
MPN:

Bolt On

No Hardware Included

Corrosion Resistant
Aluminum U Bolt Plate for Trailer Tongue or Bunk Bracket
Sale
$6.21  $4.18
In Stock
1/8 Inch Aluminum Spacer Tie Plate for Boat Trailers
Item Sku: 143702
MPN:

Bolt On

Aluminum Construction

Great for securing Tongue
1/8 Thin Aluminum Tie Plate
Sale
$4.09  $1.58
In Stock
3/8 Inch Aluminum Spacer Frame Plate for Boat Trailers
Item Sku: 143703
MPN:

Bolt On

Aluminum Construction

Heavy Duty Material
Thick Aluminum Plate for Trailer Tongue
Sale
$5.97  $2.80
In Stock
 
 
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