Specification AutomotiveFitType : universal_fit Brand : xyocx BulletPoint1 : Trailer Brake Backing Plate Flange: This backing plate flange is designed for use on 5,200#, 6,000#, and 7,000# axle trailers with 3-1/8" inner hole diameter and 5 bolt mounting pattern. It measures 4-1/4" width, 4-1/2" height, 5" corner to corner, and 1/4" thick. The 3-1/8" inner hole diameter is compatible with 3/8" bolts, and the 2-1/8" spacing between mounting holes is standard for most trailer brakes. BulletPoint2 : Round 5 Bolt Flange: The round 5 bolt flange is commonly used on 5200#, 6000#, and 7000# axles with 12"x 2" drum brakes. It features a 5 bolt mounting pattern and a round shape that provides a secure connection for the brake shoes. BulletPoint3 : 7" and 10" Electric Drum Brakes: The 7" and 10" electric drum brakes used on modern trailers typically use the same standard 4 bolt square flange as the round 5 bolt flange. This flange provides a reliable and durable connection for the brake shoes and is compatible with various trailer brake systems. BulletPoint4 : Mounting Brackets: It's important to use the appropriate mounting brackets when installing trailer brake backing plates and flanges. The mounting brackets should be designed to fit the specific trailer brake system and should be properly secured to the trailer frame. BulletPoint5 : Safety: Trailer brakes are essential for the safety of towing and braking. It's important to ensure that the trailer brake system is properly installed, maintained, and operated according to the manufacturer's instructions to prevent accidents and injuries. Color : Silver ExternallyAssignedProductIdentifier1 : 739378862353 ExternallyAssignedProductIdentifier2 : 0739378862353 FabricType : manmade FitType : Universal IncludedComponents : NO ItemName : xyocx Four Ready Trailer Brake Backing Plate Flange for 3-1/8" Axle, 5 Bolt, 4-1/4" Width, 4-1/4" Height, 5" Corner to Corner, 1/4" Thick, 3-1/8" Inner Hole Diameter, Takes 3/8" Bolts, 2-1/8" Spacing ItemPackageDimensions_Height : 15.0876 centimeters ItemPackageDimensions_Length : 3.81 centimeters ItemPackageDimensions_Width : 15.0114 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : trailer-brakes Manufacturer : xyocx Material : Alloy Steel ModelName : Trailer Brake Backing Plate Flange ModelNumber : 5,200#、6,000、7,000 LB NumberOfBoxes : 1 NumberOfItems : 4 NumberOfPieces : 1 PartNumber : 5,200#、6,000、7,000 LB ProductDescription : This Trailer Brake Backing Plate Flange is designed for use on 5,200#, 6,000#, and 7,000 LB axles. It measures 4-1/2" wide, 4-1/4" tall, 5" corner to corner, and 1/4" thick. The inner hole diameter is 3-1/8", and it takes 3/8" bolts. The flange has a 2-1/8" spacing (measured from center of mounting holes to the next). It is commonly used on 5200#, 6000# and 7000# axles, as well as on some 7" and 10" electric drum brakes. The 12"x 2" drum brakes use the Round 5 Bolt Flange, while most modern 7" and 10" electric drum brakes use the same standard 4 bolt square flange.