THESE BOLT-ON D-RINGS are made of exceptionally heavy duty solid steel, 1/2" diameter thick. They are strong and durable, and can handle a load up to 4000 pounds. That means that these 4 rings can bear up to 16,000 pounds together! See the description for a clear guide on how to figure out your tiedown limits when loading cargo on trucks and trailers, especially if you're up for DOT inspection...
SEE THE 7th PICTURE for a clear visual image of all the dimensions to make sure that this is the tie down you need. Please realize that these rings do come with 3" x 1 3/4" bolt-on mounting brackets but NOT installation bolts. Use 3/8" carriage bolts to secure.
BOLTED D RINGS are the most handy and flexible tie downs available. Generally used as tie-down anchors on trucks, pickups, campers, vans, docks, boats, flatbeds, and trailers, they’re also handy as wall hooks in organized garages, warehouses, and workshops. These D Rings are galvanized for superior corrosion- and rust- resistance
Qingdao Thinkwell Hardware & Machinery Co., Ltd specialize in rigging hardware ,Transportation accessories, electric power fittings, trailer hitch accessories, etc, engaged in manufacturing,R&D,domestic selling and overseas exporting, our products are export USA, Europe, Australia, Middle East, etc, We are proud to be the industry pioneer and acknowledged by customers through dedicating and transforming year after year.
We manufacturing rigging hardware since 2002, which is a small factory cooperated with many trading company to sell items to the oversea market, we The obtain import-export operation right from 2011, so we could export products directly and seize the business chance in internet era. In 2014, Thinkwell achieved great success when it broke the single production structure(rigging only) and began to be involved in forging electric power fittings. From 2015, the company researched and developed new series of trailer hitch accessories according to market demandand accessed the products’ design patents. Today, Thinkwell own strong and professional R&D, QC and SALES team, focus on high quality production, sales and customer service.
Qingdao ThinkwellHardware & Machinery Co.Ltd covers an area of 10,000 square meters and its architectural area is 5,000 square meters, it has over 160 staff, including 5 engineers, 15 specialized Technician, two forging workshops, one mold workshop, main equipment is 1000T/630T/400T/300T/160T forging machine, air hammer, heating furnace, rolling machine, tapping machine, blasting machine and so on.
Main Products also comprise Rigging Hardware, Pole Line Hardware, Transportation Accessories, Trailer Parts, etc.
1.Tensile Strength Testis necessary for each batch. Detailed test report and pictures can be provided after order placed.
2.Dimensional tolerance, zinc finish, painting finish are also tested according to customers' different requirements.
3.Products' weight is under a reasonable tolerance.
4.Each part’s dimension is always recorded according to the technical drawing and international tolerance standard.
5.Hardness testing is Available if you prefer.
6.Salt spray testing is for customers with the most strict quality control requirement, pls pay attention, this testing needs extra testing charges.
7.Chemical anyalisis is rare very much from customers' requirements, can be provided, also needs extra testing charges.
8.Any other testing requirements, feel free to let us know. Will always do as we can to support your business.
1.Raw material comes from tope 10 Steel Companies in China.
2.Sample for confirm first before bulk production.
3QC.Testing report is compulsory before each dispatch.
4.ISO, SGS certify our quality.
5.1 20ft container can be shipped within 25 days.
6.24 hours on line service for global markets.
7.12 sales consultant with 5 documents assiatant focus on solving customers' different problems in a high efficiency.
1 what’s your payment term
T/T, L/C, PayPal, Westunion, Money Gram,VISA,etc are available
2 How long is your delivery time?
3-5 days for sample, delivery time of mass goods is upon quantity.
3 Where is factory located?
Qingdao, Shandong,China, 20 mins away from Liuting Airport.