10 Best Dogbone Style Locks: Secure Your Trailer Hitch

Want the best dogbone style locks to secure your trailer hitch?
We share real user reviews to help you find top picks and see how they perform in everyday towing.

Dogbone style locks keep your trailer hitch safe. Users love how they snap shut fast. One driver said it saved his bike rack from theft.

Our guide picks the best dogbone locks. We test real product reviews for trust.

Read on to learn top picks. See how they fit your towing setup. Protect your gear now.

List of Top 10 Dogbone Style Locks

Image Title Best For Price
CZC AUTO Trailer Hitch Receiver Lock, Dogbone Style Hitch Pin Lock, Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV CZC AUTO Trailer Hitch Receiver Lock, Dogbone Style Hitch Pin Lock, Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV

This trailer hitch receiver lock is perfect for RV owners, truck drivers, boat enthusiasts, and anyone who tows trailers or carries bike racks. It helps keep your valuable gear safe from theft with its strong steel design and easy locking system.

Reese 7070700 Class V DogBone Style Receiver Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Professional, Chrome Reese 7070700 Class V DogBone Style Receiver Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Professional, Chrome

This trailer hitch lock is perfect for truck owners who tow trailers and want to keep their equipment safe from thieves. It fits most Class 5 receivers and uses a smart locking system to stop theft.

Reese Towpower 7030300 Professional 5/8 Reese Towpower 7030300 Professional 5/8″ Chrome DogBone Style Receiver Lock

This Reese Towpower lock is perfect for anyone who wants to protect their belongings. It’s great for people who need a strong and secure way to keep things safe.

Reese Tactical 7092330 Class 5 Trailer Hitch Lock, 5/8 Inch Pin Diameter, Fits 2 Inch & 2-1/2 Inch Square Receiver, 3-1/2 Inch Span, Dogbone Receiver Lock, Pewter Finish Reese Tactical 7092330 Class 5 Trailer Hitch Lock, 5/8 Inch Pin Diameter, Fits 2 Inch & 2-1/2 Inch Square Receiver, 3-1/2 Inch Span, Dogbone Receiver Lock, Pewter Finish

This trailer hitch lock is perfect for truck owners, campers, and anyone who tows trailers to stop theft of their hitch setup. It fits closely and provides strong security with an easy clip-on design.

Bulldog (580402) Stainless Steel Dogbone Receiver Lock silver, 5/8in. Bulldog (580402) Stainless Steel Dogbone Receiver Lock silver, 5/8in.

This Bulldog stainless steel dogbone receiver lock is perfect for truck owners who tow heavy trailers and need top security for their Class V hitches. If you have a setup over 2-1/2 inches wide, it gives you peace of mind against theft.

Hi-Gear Universal Dogbone Style Trailer Hitch Lock, 5/8'' Receiver Hitch Pin Lock for Class III & IV Hitch, Comes with 2 Keys & Hitch Cover Truck Trailer, Package of 2 Hi-Gear Universal Dogbone Style Trailer Hitch Lock, 5/8” Receiver Hitch Pin Lock for Class III & IV Hitch, Comes with 2 Keys & Hitch Cover Truck Trailer, Package of 2

This Hi-Gear hitch lock is perfect for anyone who wants to keep their trailer safe. It’s great for truck owners who need strong protection.

Tow Ready 63250 Dogbone Style Combo Lock Set Tow Ready 63250 Dogbone Style Combo Lock Set

The Tow Ready 63250 Dogbone Style Combo Lock Set is perfect for anyone who wants a secure and easy-to-use lock for their trailer or towing equipment. It works well for those who need a reliable lock that can fit most straight tongue couplers and want to avoid carrying multiple keys. Whether you’re a car owner, trailer user, or professional needing simple security, this lock set is a smart choice.

Draw-Tite 580412 Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Dogbone Style, Stainless Steel Draw-Tite 580412 Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Dogbone Style, Stainless Steel

This lock is perfect for heavy-duty truck owners and RV enthusiasts who tow valuable trailers. It fits wide Class V hitches and stops thieves from stealing your setup.

bROK Products 32998 5/8 bROK Products 32998 5/8″ DogBone Lock, Black Nickel, Class I-IV

The bROK 32998 5/8 inch DogBone Lock is perfect for people with a hitch ball mount. It fits 1-1/4 inch and 2 inch receivers, uses a sleeved shank to convert a 1/2 inch pin to 5/8 inch, and has a rubber key slot cover with a black nickel finish.

bROK Products 32996 5/8 bROK Products 32996 5/8″ Dogbone Lock, 3 1/2″ Span, Class I-V

This dogbone lock is perfect for truck drivers who tow big trailers and need a strong lock to keep their ball mount safe. It fits Class I-V setups and works fast with a push-to-lock design for quick and easy use every time.

Detailed Reviews

We picked the top 10 Dogbone Style Locks based on expert views and user likes. Each one gets a full check for features, how it works, and its value. You will find the best pick for your needs, like strong hold or low cost. Check out the details now to secure your trailer right.

1. CZC AUTO Trailer Hitch Receiver Lock, Dogbone Style Hitch Pin Lock, Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV

CZC AUTO Trailer Hitch Receiver Lock, Dogbone Style Hitch Pin Lock, Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV

Protect your hitch with ease. This 5/8 inch bent pin locks tight. Fits Class III and IV 2–2.5 inch receivers.

Easy to use. A one-quarter turn opens the lock and the pin pops up.

It’s built from solid steel. A dust cap keeps water and dirt out. It works with many setups and comes with a 12-month warranty.

Pros Cons
  • Quick and easy to lock with just a quarter turn.
  • Extremely secure steel design thwarts thieves.
  • Perfect fit for most 2-inch and 2.5-inch receivers.
  • Works great with trailers, trucks, RVs, and boats.
  • Solid warranty and fast support from a trusted brand.
  • Heavy design might strain your arms
  • Key can get easily lost
  • Fits only specific sizes, check your setup

Perfect For:

This trailer hitch receiver lock is perfect for RV owners, truck drivers, boat enthusiasts, and anyone who tows trailers or carries bike racks. It helps keep your valuable gear safe from theft with its strong steel design and easy locking system.

Ready to Purchase?

2. Reese 7070700 Class V DogBone Style Receiver Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Professional, Chrome

Reese 7070700 Class V DogBone Style Receiver Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Professional, Chrome

Keep your trailer safe with this strong lock. It is made by REESE Towpower. This lock is designed to stop thieves.

The ball bearing system is a great feature. It will stop theft, even if the lock is broken. This lock fits most 2-1/2 inch square receivers.

It comes with a rubber cap and two keys. This keeps the lock clean and easy to use.

Pros Cons
  • Ultra-strong lock stops thieves in their tracks!
  • Ball bearings lock out theft even if damaged!
  • Fits most 2-1/2-inch trailer receivers with ease!
  • Rubber caps keep locks clean and dry!
  • Square keys beat lock picking and include extras!
  • Expensive compared to basic trailer locks.
  • Heavy and bulky design for small vehicles.
  • Limited compatibility with larger hitches.

Perfect For:

This trailer hitch lock is perfect for truck owners who tow trailers and want to keep their equipment safe from thieves. It fits most Class 5 receivers and uses a smart locking system to stop theft.

Ready to Purchase?

3. Reese Towpower 7030300 Professional 5/8″ Chrome DogBone Style Receiver Lock

Reese Towpower 7030300 Professional 5/8

Protect your trailer with the Reese Towpower lock. This lock is made of strong steel. It’s easy to use.

The chrome-plated steel fights off weather. The special key helps stop theft.

The ball bearing design makes it hard to break. Get this lock for peace of mind.

Pros Cons
  • Fits all class I & II hitch receivers.
  • Chrome-plated steel for weather resistance.
  • Square key design offers top theft protection.
  • Ball bearing locking system eliminates weak points.
  • Key might get lost easily without a backup.
  • Heavier than some cheap locks, harder to carry.

Perfect For:

This Reese Towpower lock is perfect for anyone who wants to protect their belongings. It’s great for people who need a strong and secure way to keep things safe.

Ready to Purchase?

4. Reese Tactical 7092330 Class 5 Trailer Hitch Lock, 5/8 Inch Pin Diameter, Fits 2 Inch & 2-1/2 Inch Square Receiver, 3-1/2 Inch Span, Dogbone Receiver Lock, Pewter Finish

Reese Tactical 7092330 Class 5 Trailer Hitch Lock, 5/8 Inch Pin Diameter, Fits 2 Inch & 2-1/2 Inch Square Receiver, 3-1/2 Inch Span, Dogbone Receiver Lock, Pewter Finish

Keep your trailer secure with the Reese Tactical 7092330 Class 5 Trailer Hitch Lock. It features a barrel design with a simple push button lock. This makes locking and unlocking quick and easy.

The lock has knurled grips for a comfortable grip. It fits 2-1/2-inch square receiver hitches and works with Class 5 ball mounts. Its steel construction is strong and durable, with a sleek pewter finish. A rubber cap helps keep the tumblers clean.

It comes with two keys for your convenience. The 3-1/2-inch span fits most receivers. It’s a simple, reliable way to protect your trailer. Stay confident knowing your trailer is locked and safe.

Pros Cons
  • Anti-theft design keeps your trailer secure.
  • Comfort grip makes it easy to use.
  • Fits 2-inch and 2-1/2-inch receivers.
  • Steel build with a pewter finish for durability.
  • Comes with two keys for easy access.
  • Keys could be lost or duplicated, posing a security risk.
  • Specific fit limits use to certain hitch sizes only.

Perfect For:

This trailer hitch lock is perfect for truck owners, campers, and anyone who tows trailers to stop theft of their hitch setup. It fits closely and provides strong security with an easy clip-on design.

Ready to Purchase?

5. Bulldog (580402) Stainless Steel Dogbone Receiver Lock silver, 5/8in.

Bulldog (580402) Stainless Steel Dogbone Receiver Lock silver, 5/8in.

The Bulldog Stainless Steel Dogbone Receiver Lock is tough and secure for your trailer hitch. It fights theft with a patented locking system that keeps shafts strong. This lock fits heavy-duty hitches, making towing safer and easier.

It has a ball bearing lock that stays put even if bothered. Grab this high-security lock with its square key and dust cap for top protection.

Pros Cons
  • Super secure against theft with patented design.
  • Fits tough Class V hitches over 2-1/2 inches wide.
  • Ball bearings make it hard to steal any way.
  • Locks itself auto for easy, safe use.
  • Protects with square key and dust cover.
  • Might be more expensive than basic locks.
  • Could be overkill for small trailers.

Perfect For:

This Bulldog stainless steel dogbone receiver lock is perfect for truck owners who tow heavy trailers and need top security for their Class V hitches. If you have a setup over 2-1/2 inches wide, it gives you peace of mind against theft.

Ready to Purchase?

6. Hi-Gear Universal Dogbone Style Trailer Hitch Lock, 5/8” Receiver Hitch Pin Lock for Class III & IV Hitch, Comes with 2 Keys & Hitch Cover Truck Trailer, Package of 2

Hi-Gear Universal Dogbone Style Trailer Hitch Lock, 5/8'' Receiver Hitch Pin Lock for Class III & IV Hitch, Comes with 2 Keys & Hitch Cover Truck Trailer, Package of 2

Keep your trailer safe with the Hi-Gear Universal Dogbone Style Trailer Hitch Lock. This lock is a great way to protect your stuff.

It’s made of strong steel. The lock comes with two keys. You also get a hitch cover.

This lock fits Class III & IV hitches. Get a package of two for extra security.

Pros Cons
  • Made of hardened steel for maximum strength.
  • Fits Class III and IV hitches perfectly.
  • Includes two keys for quick access.
  • Comes with a hitch cover for extra protection.
  • Get two locks in one package.
  • Heavy steel makes it bulky.
  • Only two keys included.
  • Tight fit on some hitches.

Perfect For:

This Hi-Gear hitch lock is perfect for anyone who wants to keep their trailer safe. It’s great for truck owners who need strong protection.

Ready to Purchase?

7. Tow Ready 63250 Dogbone Style Combo Lock Set

Tow Ready 63250 Dogbone Style Combo Lock Set

The Tow Ready 63250 Dogbone Style Combo Lock Set is simple. It has a 1/2 inch dogbone pin and a 5/8 inch bent pin with an interchangeable barrel lock.
It comes with two keys.

It is keyed-alike dogbone coupler locks. They fit most straight tongue style couplers.
They fit most straight tongue style couplers.

The Easy Access model has a side key entry. The lock rotates 360 degrees and the warranty is limited to 1 year.

Pros Cons
  • Easy to use with simple key entry
  • Includes all necessary locks and accessories
  • Keyed-alike design saves space and confusion
  • Durable quality with limited 1-year warranty
  • Suitable for most straight tongue couplers
  • Limited warranty for only 1 year.
  • Key can be lost or misplaced.
  • Specific coupler compatibility may be an issue.

Perfect For:

The Tow Ready 63250 Dogbone Style Combo Lock Set is perfect for anyone who wants a secure and easy-to-use lock for their trailer or towing equipment. It works well for those who need a reliable lock that can fit most straight tongue couplers and want to avoid carrying multiple keys. Whether you’re a car owner, trailer user, or professional needing simple security, this lock set is a smart choice.

Ready to Purchase?

8. Draw-Tite 580412 Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Dogbone Style, Stainless Steel

Draw-Tite 580412 Trailer Hitch Lock, Fits 2-1/2 Inch Square Receiver, 5/8 Inch Pin Diameter, Dogbone Style, Stainless Steel

Draw-Tite 580412 locks the hitch. It has a strong lock with no weak spots. It fits 2-1/2 inch square receivers.

It has a ball bearing lock system. Its dual self-locking design snaps shut automatically.

Pros Cons
  • Patented design eliminates weak points for security
  • Heavy-duty fit for class V hitches
  • Ball bearing lock keeps shaft secure
  • Dual self-locking design auto locks
  • Square-key style with dust cap protection
  • Stainless steel may be prone to rust in some conditions.
  • Price could be a barrier for some buyers.
  • Key could be lost or misplaced.

Perfect For:

This lock is perfect for heavy-duty truck owners and RV enthusiasts who tow valuable trailers. It fits wide Class V hitches and stops thieves from stealing your setup.

Ready to Purchase?

9. bROK Products 32998 5/8″ DogBone Lock, Black Nickel, Class I-IV

bROK Products 32998 5/8

Keep your ball mount safe and snug with the bROK Products 32998 5/8″ DogBone Lock. This black nickel lock fits 1-1/4 inch and 2 inch receivers perfectly.
The rubber key slot cover blocks dirt and trash from harming the lock. A sleeved shank changes a 1/2 inch pin into a 5/8 inch pin for easy use. It works great for towing and is built strong.

Pros Cons
  • Secures your ball mount firmly in place.
  • Protects the lock from dirt and debris.
  • Easily converts pins for a perfect fit.
  • Fits both 1-1/4 and 2-inch receivers.
  • Looks sleek with its black nickel finish.
  • Limited fit for larger receivers.
  • Sleeve may loosen with heavy use.
  • Higher cost than simple pins.

Perfect For:

The bROK 32998 5/8 inch DogBone Lock is perfect for people with a hitch ball mount. It fits 1-1/4 inch and 2 inch receivers, uses a sleeved shank to convert a 1/2 inch pin to 5/8 inch, and has a rubber key slot cover with a black nickel finish.

Ready to Purchase?

10. bROK Products 32996 5/8″ Dogbone Lock, 3 1/2″ Span, Class I-V

bROK Products 32996 5/8

This dogbone lock grips your ball mount tight in the receiver. It uses a push-to-lock action for fast security. A rubber cover keeps dirt out of the key slot.

The long shank fits wide receivers up to two and a half inches. It works in Class I-V setups with a 5/8-inch pin hole.

Pros Cons
  • Secure Class V mount with ease.
  • Quick push-to-lock for fast safety.
  • Rubber cover blocks dirt and grime.
  • Fits extra-long shanks up to 2-1/2 inches.
  • Perfect for 5/8-inch pin holes.
  • Heavier design adds extra weight to your hitch setup.
  • Needs separate padlock for full security features.
  • Plastic parts may wear out over time with heavy use.

Perfect For:

This dogbone lock is perfect for truck drivers who tow big trailers and need a strong lock to keep their ball mount safe. It fits Class I-V setups and works fast with a push-to-lock design for quick and easy use every time.

Ready to Purchase?

Buying Guide

Dogbone style locks keep your trailer hitch safe from thieves. They snap shut fast for quick protection. Users often share how these locks save their bikes and racks.

Many users love dogbone locks for their trust. One driver said it saved his bike rack from theft. Another driver praised how easy the ball bearing system stops crooks.

  • Compatibility: Check if the lock fits your receiver size, like 2 or 2-1/2 inches. Match it to Class III or IV hitches for towing setups. This ensures your gear stays secure when towing trailers or boats.
  • Material: Pick locks made of solid steel for toughness. Chrome or nickel finishes fight rust from weather. Strong materials last long during rough trips.
  • Security Features: Look for ball bearing locks that snap tight and stop theft, even if broken. Extra locks like dual self-locking add layers of safety. Keys or covers keep dirt out and boost trust.
  • Ease of Use: Choose locks with one-quarter turns or push buttons for fast locking. Two keys make sharing easy with family or friends. Simple designs save time when hooking up trailers.
  • Durability: Select locks with dust caps to block mud and water. Steel builds fight wear from towing bikes or boats. Proven brands offer peace of mind for long journeys.
  • Warranty: Find locks with at least a 1-year warranty for fixes. Reliable brands stand behind their quality. This covers breaks from normal use.
  • Price: Compare costs to match your budget for good value. Packages with two locks save money for extra security. Affordable options start at low prices without skimping on safety.
  • Size and Fit: Note the pin diameter, like 5/8 inch, for proper fit. 3-1/2 inch spans work with wide receivers. Correct size stops wobble during towing.
  • Additional Accessories: See if the lock includes hitch covers or extra pins. Rubber caps protect the lock from the elements. These extras add convenience for daily use.