Best Zinc Bolt Anchors in 2026

These medium-mini D-rings are made of exceptionally heavy duty solid steel, 3/8" diameter thick. They are strong and durable, and can handle a load up to 1,666 pounds. That means that this pack of 4 rings can bear up to 6,664 pounds! See the description below for a clear guide on how to figure out your tie-down limits when loadings trucks and trailers, especially if you're up for DOT inspection...

Small bolt-on D-rings are the most convenient pieces of tie down metal available. Generally used as tie-down anchors on trucks, pickups, campers, vans, boats, and trailers, they are handy as wall hooks in organized garages, warehouses, and workshops as well.

See pictures for a clear visual image of all the dimensions to be sure that this is the tie down you need. Please realize that these rings come with mounting brackets but not bolts. The recommended installation would be with 3/8" diameter carriage bolts to fit the square holes on the mounting clips.

SUPER VERSATILE 4-in-1 TIE DOWN ANCHOR - Not only do these M8 screws (no screw nuts included) for your Ford Bronco make sturdy handle grips, but they work as hooks or anchors for straps and add-ons, too. With these truck accessories, you can take your hard top off in no time.

2x WIDER, 20% LONGER - Making these truck and trailer tie downs wider and longer than most hardtop plastic screws gives them more reach. A strong alternative to a D ring, each comfy-to-hold M8 bolt screw has a 350 torque.

WITH A RUGGED LOOK - Quick to install with no modifications needed, this screws set integrates seamlessly with your vehicle’s build and style. For added durability, we built each thumb screw with a rubber-backed washer and thick square nut.

CONVENIENTLY&QUICKLY- Install with Drilling, No Need for Welding. By threading a screw or bolt through the 1/4" diameter bolting hole on the mounting clip and securing to any wood or metal surface. The trailer D-ring tie down is easy and convenient to use once installed. It provides an anchor ship for all cargo tie downs. (𝗔𝗧𝗧𝗘𝗡𝗧𝗜𝗢𝗡：𝗧𝗵𝗲 𝗹𝗲𝗻𝗴𝘁𝗵 𝗼𝗳 𝘁𝗵𝗲 𝗯𝗼𝗹𝘁 𝗶𝘀 𝟮.𝟮𝟱")

HEAVY-DUTY- 12000 lbs Strength. The D ring tie down anchor are made of heavy-duty steel for safety and durability. This trailer tie down ring is ideal for heavy duty applications acting as the foundation in tie down technique while moving cargo in your truck or trailer. The D ring has a remarkable working load limit allowing it to accommodate tractors and other heavy freight.

DURABLE- 6mm Reinforcing Plates. These weld on d rings are the most trusted to provide unique, simple solutions for specific everyday needs, with anti-rust coating on the surface, which is strong, corrosion-resistant, not easy to rust, and have excellent strength, durability and long service life. Bolt-on D ring provides you with the superior durability your towing needs call for.

VERSATILE. This D-ring tie down anchor is great for securing cargo loads in a trailer, truck bed or cargo van

HIGHLY VERSATILE. Add versatile towing options to your vehicle with this class 1 trailer hitch. It provides a standard, square 1-1/4-inch receiver hitch and comes with a ball mount with a 3/4-inch ball hole to connect a small trailer

RELIABLE STRENGTH. This tie down ring is rated for a capacity of 1,200 lbs. It is designed for a recessed bolt-on installation, and the capacity is limited to the mounting structure (mounting hardware not included)

Usage: Utility t bolt eye nut kit to make tie down points on roof rack, truck bed, kayak tracks, designed for holding bungees cord, cargo net, tie down straps, roof rack straps, cam strap for kayak, and more, ideal for lifting most equipment

Mounting Type: These t-bolts are perfectly fit most roof rack crossbar with T/C channel, easy to set, secure way to holding your bungees, cargo net and more

Dimension: Female thread m8 ring eye bolt, square head T-track bolts base dimension - 0.79 in x 0.79 in, washer - 0.04 in x 0.47 in x 0.2 in, nut - 0.39 in x 0.2 in

🛠️1.【Application】：Use the bolt-on e track connector make any accessory e track compatible,E-Track connector fittings can move between slots and feature 2 square holes that accept carriage bolts with Back Plates

🛠️2.【Durable & Safe】：The construction of the single fitting and screw is high density steel with a zinc coated surface which makes them durable, strong and long lasting. Holds Up to 2500 lbs.

🛠️3.【Material】：E Track Connector is made out of high density steel that is galvanized with color zinc to prevent corrosion and rust, can be used in adverse weather and withstand harsh conditions. Ideal for outdoor use.