Lock Washer for Brake Mounting Bolt for 7" and 10" Brake Assemblies - 7/16" Diameter

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• Where To Measure to Determine What Size Brake Assemblies are Needed
  In order to determine what size brakes you need you will need to measure what you currently have on your trailer. Check out the picture I attached that shows you exactly where to measure. If you are instead looking for a way to add brakes to your trailer that currently does not have any check out the help article I attached that covers this.
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• Availability of 7/16" Conical Tooth Washer
  The 3/8" Conical Tooth Washer # 01292006-020-01 is the closest we have to a 7/16" inner diameter. We have the 7/16" Lock Washer # 5-8 depending on if your application will work with this style washer. Otherwise you should be able to find what you need at a local hardware store.
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• Does Brake Assembly part # 40715 Come with Lock Nuts and Washers
  The brake assembly part # 40715 does not come with lock nuts and washers. For that we have the part # 6-17 for the nut and part # 5-8 for the lock washer.
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• Is Mounting Hardware Included with Dexter Nev-R-Adjust Electric Trailer Brake Kit # K23-478-479
  The Dexter Nev-R-Adjust Electric Trailer Brake Kit # K23-478-479 comes with 8 nuts and 4 adjuster access plugs. The studs are already attached to the brake assemblies so those are included by default. Lock washers are not provided but you can add them using # 5-8 which is sold in quantities of 1.
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• What is Brake mounting Bolt # 7-75 Made Of
  The brake mounting bolt # 7-75 is just made of steel. If you can find a galvanized or stainless bolt with the same threads (bolt size is 7/16-20 and length is 1-1/4 inches) you could use it. Check a local hardware store. Bring one of the old bolts with you so you are sure to get a good match. If you go with these steel bolts the matching nut is # 6-17 and the lockwasher is # 5-8.
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• Correct Size Nuts and Washers for Electric Brake 23-26 Assembly
  The 10 inch Electric Brake Assembly, # 23-26, requires a 7/16 inch, fine thread bolt for installation. Use part # 6-17 for installation. The lock washer is also 7/16 inch. Part # 5-8 is the correct washer for this application.
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• Recommended Replacement Hydraulic Drum Brakes for Tandem Axle Trailer
  Selecting correct hydraulic drum brake assemblies for your tandem axle trailer requires matching brakes to the axle capacity, the size of your hub/drums (please see linked photo) and to the type of brake flange on your spindles. The linked page will show you all hydraulic drum brakes we offer which are suited to axle capacities from 2500 to 15,000-lbs. Usually a 2500-lb axle will have 7 x 1-3/4-inch brakes but if your trailer has 10-inch hubs it could be that the axles are rated higher...
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• Correct Mounting Bolts and Hardware for Galvanized 10 Inch Marine Trailer Brake Assembly 40716
  The 10 inch brake assembly, # 40716, does not come with mounting bolts. You would need bolts like # 7-75 to mount the assembly to the brake mounting flange. For matching washers, use # 5-8 and for nuts # 6-17.
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• Mounting Hardware Recommendations for a Brake Assembly # 18787
  You will need to provide the mounting hardware to install the Brake Assembly # 18787. For bolts you will want Brake Mounting Bolt # 7-75 For locking washers you will want a Lockwasher for Brake Mounting Bolt # 5-8 For nuts you will want a Nut for Brake Mounting Bolt # 6-17 I also attached a video of a brake assembly being installed for you to check out also.
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• Brake Assemblies for Starcraft AR-One 18QB Travel Trailer with Lippert Components Axle
  Thank you so much for providing your axle details. I spoke to my contact at Lippert and he confirmed that your 3500 lb Lippert spring axle will use standard 10" x 2.25" brake assemblies.So, the Dexter Electric Trailer Brake Kit, # 23-26-27, will work with your Starcraft AR-One 18QB Travel Trailer. The mounting bolts, nuts & adjuster plugs are included with this kit, but you will also need 4 lock washers, # 5-8. A helpful tool to have on hand is the brake adjustment spoon, # W80630, which...
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• Parts Needed to Install Electric Brakes On 1995 Coleman Destiny Royale Trailer
  To make sure that you get the correct parts, I would need to know the inner and outer bearing numbers stamped into the metal of the bearings. There are different 5 lug bolt patterns. Use the FAQ I have linked to measure for bolt pattern so you can get the correct hub and drum assemblies. If you do not have EZ Lube axles, you will not need EZ lube hub and drum assemblies. If you do have L44649 inner and outer bearings and the seal has a 1.987 outer diameter and 1.5 inch inner diameter,...
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• Adding Electric Brakes to a Trailer with Inner and Outer Bearing L44649 and 13 Inch Wheels
  To start, the trailer is going to need hub and drum assemblies. Based on the bearing numbers there are several options available. If your 13 inch wheels have 4 bolt holes then you would need 2 of assembly # 8-173-16UC3. If the wheels have 5 bolt holes then you would need 2 of assembly # 8-257-5UC3. For electric brakes for either of these assemblies you would need # 23-48 for the right side and # 23-47 for the left side. You will also need 8 of nut # 6-17 and 8 of lock washer # 5-8. And...
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• Hardware for Attaching Brake Flanges of Titan Disk Brake Kit # T4843800
  The hardware needed for securing the brake flanges of the Titan Disk Brake Kit # T4843800 are not included as typically the axle has them already. If not we have the part # 7-75 which would be the correct bolt size. For a lockwasher you'd want part # 5-8 and if you do need a nut for the backside of the bolt part # 6-17. With the P3 you would not need to use the adapter part # T4846000. It is designed to work with the EOH brakes without the need for an adapter.
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• Replacement Hydraulic Drum Brakes for a 1999 Seadoo Trailer
  Check the mounting pattern of the brakes you have now. The Demco brakes, # 40715, mount on a 4 bolt mounting flange with the holes 4 inches apart on center side to side. The surface of the drum where the pads tough is likely to be 2-1/4 inches, especially if you have 13 to 15 inch wheels. In the 10 inch hydraulic brakes you are pretty much limited to 10 x 2-1/4 so its a safe bet that these are correct. The matching left hand side brake is # 40716. If you need additional hardware use #...
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• Availability of Electric Drum Brake Assemblies Like # 23-468 Without Integrated Mounting Bolts
  All of the electric drum brake assemblies we offer in the 10 x 2-1/4-inch size that are suitable for 3500-lb axles have mounting bolts installed. We do offer separate brake mounting bolts in a 7/16-inch size with 20 threads-per-inch, part # 7-75. We also offer washers # 5-8 and nuts # 6-17.
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• Replacement 10x2-1/4 Inch Electric Trailer Brakes
  The mounting studs on trailer brake assembly # K23-478-00 are 7/16 inch requiring the 7/16 inch nut # 6-17. You would also want to use lock washer # 5-8. This is a standard size for 10x2-1/4 inch brakes. The outer diameter of the nuts is larger of course so it is not surprising that the wrench you used was larger.
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• Electric Brake Install 2000 Coleman Sedona
  Let's begin with the brake assemblies. You'll need the Dexter # 23-48 for the right side of the trailer, # 23-47 for the left. The brake assemblies have the mounting bolts integrated into the backing plate, but the necessary nuts and lock washers aren't included. We sell the nuts individually as part # 6-17 and the lock washer as part # 5-8. You'll need four of each per brake assembly. Dexter doesn't include the adjuster hole plugs with the assemblies, those are sold separately as part...
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• Parts Needed to Install Electric Trailer Brakes on a Pop-Up Camper
  You have compatible hub and brake assemblies selected. The brake assemblies, # 23-48 right hand, and # 23-47 left hand, will mount to a 4 bolt flange that has bolt holes 2-7/8 inches apart on center. You will need to make sure your existing bearings and seal match the bearings and seal in the hub and drum you selected, # 8-257-5UC3-EZ, and that the wheel bolt pattern, 5 on 4-1/2 inches, matches also. The trailer hub and drum # 8-257-5UC3-EZ is designed for use on an EZ lube axle with grease...
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• Brake Assembly for Use with Dexter Galvanized Trailer Hub and Drum # 8-247-50UC3
  Since your boat and trailer will be used in salt water a galvanized hub/drum is a good idea to give you some corrosion protection. With this hub you can use Demco Galvanized Free Backing Hydraulic Drum Brake Assembly # 40716 (left) and # 40715 (right). These are suitable for a 3500-lb axle and a 4-on-4-inch brake flange mounting pattern. I have linked an installation video for your reference. Even when using galvanized components, it is a good idea to rinse the trailer with fresh water...
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• Kodiak Caliper Mounting Brackets Replacement Hardware Size
  The appropriate bolts for use on the Kodiak Replacement Mounting Bracket # KCBM10HRD are bolt # 7-75 which are 20 threads per inch. These are grade 5 bolts that are 7/16" x 1-1/4" long. The corresponding nuts are # 6-17 and the lock washers to use are # 5-8.
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• Replacement 10,000 Pound Capacity Electric Trailer Brake Assemblies For A Travel Trailer
  We have the perfect replacement brakes for you! The Dexter Electric Trailer Brake Assembly # 23-438 (Left Hand) and The Dexter Electric Trailer Brake Assembly # 23-439 (Right Hand) are the correct replacement for you. The brakes are self-adjusting and will automatically adjust to deliver optimum performance and braking power. The brakes have a diameter of 12-1/4 inches and are 4 inches wide. They have a 7 bolt mounting flange bolt pattern. The Brake Mounting Bolt(s) # 7-116, Mounting...
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• Recommended Hub And Drum for Electric Brakes With 4 On 4 Bolt Pattern For 1973 Scamp Trailer
  The hub we offer that will work with electric brakes and has a 4 on 4 bolt pattern, is part # 8-173-16UC3. You are correct that this hub and drum will only work with 7 inch x 1-1/4 inch brakes. The bearings, races, and seals are included with this assembly. I have attached a product review video for this hub/drum you can check out. The electric brakes that will work with this drum is designed for axles rated up to 2,000 lbs. The brakes have a 4 bolt mounting flange. For the right hand(passenger...
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• Converting 3500 lb Axle from Idler Hubs to Electric Brakes
  The brake mounting flanges, whether they be 4 or 5 bolt, have a standard hole spacing to fit their appropriate brake assembly. No worries about the brake assembly matching with the existing one on your axle. A 3500 lb axle like what you have will use a 4 bolt flange. You will need to get the numbers that are stamped on your existing bearings, in order to confirm the fit of the # 84557UC3. Your current bearings will need to match the bearings of the replacement hub. The # 84557UC3 uses...
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• How to Determine if 2,000 lb Electric Trailer Brakes Will Fit
  I can help you out here, and there are a couple of things you'll need to know to determine the fit of 2,000 lb electric trailer brakes. First, you'll need to make sure you have the correct brake mounting flange on your axle, one that has hole spacing 2-7/8" on center. If you don't, you can have one welded on with part # 4-34. The other thing you need to have is a hub with a 7" inner diameter for the brakes to fit in. I made a diagram for you below which may help, and that's all you need...
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