Cleats & Lockboxes
Flagpole Cleats and Lock Boxes are essential flagpole parts that keep your flag secure and your halyard neatly tied off. A flag pole cleat lock box provides tamper-proof protection for your rope, preventing unauthorized lowering or theft.
At The Flagpole Store, we supply durable external halyard cleats, locking cleat boxes, and combination security systems for every flagpole type. Whether for a school, city hall, or commercial property, our products deliver strength, weather resistance, and peace of mind.
Why Use a Locking Cleat Box on Your Flag Pole?
- Security: Protects against tampering or flag theft in public spaces.
- Weather Protection: Shields your halyard rope from UV and moisture damage.
- Clean Look: Conceals ropes and hardware for a professional appearance.
- Durability: Aluminum and stainless steel construction for long-term use.
Compare Flagpole Cleats, Lock Boxes & Combination Systems
| Feature | Standard Cleat | Locking Cleat Box | Cleat + Halyard Cover Combo |
|---|---|---|---|
| Security Level | Basic | High – Keyed lock prevents access | Maximum – Lock + full halyard protection |
| Material | Cast Aluminum | Aluminum / Stainless Steel | Heavy-duty Aluminum |
| Best For | Residential Poles | Schools, Municipal, Commercial | High-traffic or public flagpoles |
| Weather Resistance | Moderate | Excellent | Excellent |
| Installation | Simple screw mount | Mounts over cleat area | Installed with halyard cover |
Need help choosing the right flagpole cleat system? Contact our experts for personalized recommendations.
Pro Tip from The Flagpole Store
For unbeatable flag security, pair your lock box with a wire-core halyard and halyard cover. This combination offers the highest level of protection against tampering and weather exposure.
Installation Tips
- Mount cleats about 4–5 feet above the base of the flagpole for easy tie-off access.
- Use stainless screws or rivets to prevent corrosion.
- When adding a lock box, ensure the cover opens freely over your cleat for smooth operation.
Why Buy from The Flagpole Store?
- Made in the USA: Proudly crafted for reliability and strength.
- Trusted Experience: Over 15 years specializing in flagpole parts and security systems.
- Fast Shipping: Most orders ship within one business day.
- Full Systems Available: Shop ropes, halyards, and accessories for a complete setup.
Cleats & Lock Boxes FAQs
A flagpole cleat is used to tie off your halyard rope, keeping your flag securely in place at the desired height.
A lock box covers and locks the cleat, preventing anyone from untying the halyard or lowering your flag without permission.
Yes, most lock boxes retrofit easily onto existing cleat mounts for external halyard flagpoles.
Absolutely. They’re made from corrosion-resistant aluminum or stainless steel to withstand all weather conditions.
It’s highly recommended. A halyard cover adds extra protection for your rope and enhances security.
Secure your flagpole with durable Cleats and Lock Boxes from The Flagpole Store—the trusted source for professional flagpole parts and accessories.
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Flagpole Halyard Security Kit
$367.00 - $581.00The Flagpole Halyard Security Kit is a great way to protect your halyard from being cut or taken down without permission. FREE SHIPPING Provides tamper resistant security for External Halyard flagpoles. Available in both Cylinder Lock and Padlock...$367.00 - $581.00 -
Wall Mounted Cleat Box
Wall Mounted Cleat Box This unit comes complete with a cleat cover box mounted onto a 20" high, 12" wide, 1/8" thick aluminum plate. Designed to be mounted using thru-wall bolts or expansion shields utilizing 3/8" diameter threaded rod...Qty in Cart: 0Quantity:Price:Subtotal: -
Cleat Cover Boxes
$190.00 - $210.00Cleat Cover Boxes Cast Aluminum with stainless steel hinge pins. Design allows for easy installation utilizing the cleat holes to mount the cleat cover box. Comes complete with your choice of padlock or cylinder lock. Two extra long 1/4"-20NC...$190.00 - $210.00 -
Cast Nylon Cleats
$5.00Cast Nylon Cleats Two #10-1-1/2" Self-Tapping Mounting Screws included Colors: Gray White Distance Between Bolt Centers: 1-1/8"$5.00 -
Heavy-Duty Cast Aluminum Cleats
$120.00 - $130.00Heavy-Duty Cast Aluminum Cleats Two 3/8"-16NC Stainless Steel Slotted Flat Head Screws Included Colors: Silver Bronze White Black Length: 14-3/4" Distance Between Bolt Centers: 4-7/8"$120.00 - $130.00 -
Light-Duty Cast Aluminum Cleats
$6.00 - $10.00Light-Duty Cast Aluminum Cleats Two #10-5/8" Self Tapping Flat Head Mounting Screws Included Standard Colors: Silver Bronze White Black Length Distance Between Bolt Centers 4-1/2" 3/4" 6" 1"$6.00 - $10.00 -
Standard Cast Aluminum Cleats
$12.00 - $18.00Standard Cast Aluminum Flagpole Cleats Two 1/4"-20NC Stainless Steel Mounting Screws Included Comes in four colors: Silver Bronze White Black Length Distance Between Bolt...$12.00 - $18.00