Material: Alloy steel /Carbon Steel
Process: Welded
Heat Treatment: Quenched and Tempered
Finish: Painted Black, Oil Proof,Galvanized
Quality grade: U1-U2-U3
Package: Bag, Carton, Drum, Steel Pallet
Wish cooperation between you and me sincerely.
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| Size | Material Diameter | Working Load Limit(Max) | Proof Test(Min) | Breaking Force Minium | Inside Length (Max) | Inside Width (Min) | |||||||
| mm | inch | mm | inch | kg | lbs | kn | lbs | kn | lbs | mm | inch | mm | inch |
| 7 | 1/4" | 7 | 0.276 | 1180 | 2800 | 17.3 | 3900 | 34.6 | 7800 | 31.5 | 1.24 | 9.8 | 0.38 |
| 8.7 | 5/16" | 8.7 | 0.343 | 1770 | 3900 | 26 | 5850 | 52 | 11700 | 32.8 | 1.29 | 11.2 | 0.44 |
| 10 | 3/8" | 10.3 | 0.406 | 2450 | 5400 | 36 | 8100 | 72 | 16200 | 35 | 1.38 | 14 | 0.55 |
| 11.9 | 7/16" | 11.9 | 0.468 | 3270 | 7200 | 48 | 10800 | 96 | 21600 | 41.6 | 1.64 | 16.6 | 0.65 |
| 13 | 1/2" | 13.5 | 0.531 | 4170 | 9200 | 61.3 | 13800 | 122.6 | 27600 | 45.5 | 1.79 | 18.2 | 0.72 |
| 16 | 5/8" | 16 | 0.63 | 5910 | 13000 | 86.5 | 19500 | 173 | 39000 | 56 | 2.2 | 20 | 0.79 |
| 20 | 3/4" | 20 | 0.787 | 9180 | 20200 | 134.7 | 30300 | 269.4 | 60600 | 70 | 2.76 | 25 | 0.98 |
| 22 | 7/8" | 22 | 0.866 | 11140 | 24500 | 163.3 | 36750 | 326.4 | 73500 | 77 | 3.03 | 27.5 | 1.08 |
Yolanda Li
 
24Hour On Line, any questions pls feel free to contact me.
Welcome to Qingdao Thinkwell Hardware & Machinery Co., Ltd, the one stop provider for rigging hardware ,electric power fittings and trailer hitch accessories.We are always looking to grow and improve on products manufacturing,R&D,domestic selling and overseas exporting, an integrated supply chain management system, marketing management system and quality management system are applied in daily works.Thinkwell's products are wildly exported to USA,Germany,France,Canada,Australia,Middle east,India,Singapore nowadays and serving customers all over the world. We are proud to be the industry pioneer and acknowledged by  customers through dedicating and transforming year after year.
Quality Contral:
1. Tensile Strength Test is necessary for each batch. Detailed test report and pictures can be provided after order placed.
 2.Surface tolerance, zinc finish, painting finish also be tested according to customers' different requirements.
3.Products' weight is under a reasonable tolerance.
4.Each parts' dimension is always according to the technical drawing and international tolerance standard.
5.Harness testinng also can be provided 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 do as we can to support your business always.
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Regular package:
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carton with pallet.
Pallet included iron pallet, regular wooden pallet and non-fumigation pallet.
Plastic film inside with iron cage is for items with a large cubic, and irregular shape.
Wooden case is high quality to accept more than 1.2ton goods.
Package goods according to customers' different requirements is no problem.( Regular package is for free, customzies package  needs extra  charges according to the truth package cost)
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>>>ADVANTAGEOUS:
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1.General Raw material comes from tope 10 Steel Companies in China.
2.Sample first before bulk production.
3.QC.Testing report is compulsory before each dispatch.
4.ISO, SGS certify our quality.
5.R&D.customized products is our main development direction.
6.General products order of 1Â 20ft container was shipped within 25 days.
7. 24 hours on line service for global markets.
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>>>FAQ:
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1. Can IÂ be your agent?
Yes, welcome to deep cooperation. We have big promotion of THINKWELL brand in the market now. For the details please contact me.
2. Is OEM available?
Yes, OEM is available. We have professional designer to help your brand promotion.
3. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. Free for the samples, but you need to pay for the freight.
4. What's your quality guarantee?
We have different kinds of products which can meet different quality standard.
Our QC department will teset products before shipping. We have 100% quality guarantee to customers. We will be responsible for any quality problem.
5. How about the delivery time?
The delivery time is depend on the products and the quantity. But generally, the delivery time for a container is about one month.
6. What's benefit will you bring?
Your client satisfied on the quality
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