Audited Supplier
Customized by drawing or sample are avaliable.
Powder zincification process (Greencate) is acceptable.
Why choose us to purchase fasteners?
·Better Quality: More than 60 years of process experience, inherit the production team of large state-owned enterprises, produce with standard process flow, to ensure the quality meets the standard.
·Better Price: More than 30 years of cooperation on average, that with a deep friendship, front store and back factory, and can obtain more competitive prices.
·Better Service: More than 30 years of technical experience. We can draw according to your samples or customize products according to your drawings. We can discuss technical difficulties and use problems.
Moreover, one-stop service is more convenient.
We have always enjoyed a good reputation in the field of fasteners.
We hope that our cooperation will enable you to gain the greatest advantage in the local market, and then achieve your goals.
Product Name | U bolt |
Material | Carbon Steel |
Color | Blue,white,black,self-color,etc |
Standard | DIN GB ISO JIS BA ANSI |
Finished | HDZinc ,ZB,ZBK,ZY (ZO),ZW,Sil Plat,Nic Plat,Dacr,HDZinc,Greencate |
| Package | Carton bulk, Carton box, Pallet, etc. |
| Outer packaging customization | support |
| Customized products | support |
| OEM ODM | support |
| Estimated delivery time | Negotiation required |
| logistics mode | Cusomized |
| Nominal Diameter | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 1/4 | 5/16 | 5/16 | 5/16 | ||
| d | ||||||||||||||||
| PP | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | ||
| L | Nominal Size | 1.25 | 1.25 | 2.25 | 1.75 | 2 | 3.125 | 2.25 | 2.75 | 3.438 | 3 | 3.25 | 2.188 | 2.188 | 2.188 | |
| max | 1.28 | 1.28 | 2.28 | 1.78 | 2.03 | 3.155 | 2.28 | 2.78 | 3.468 | 3.03 | 3.28 | 2.218 | 2.218 | 2.218 | ||
| min | 1.22 | 1.22 | 2.22 | 1.72 | 1.97 | 3.095 | 2.22 | 2.72 | 3.408 | 2.97 | 3.22 | 2.158 | 2.158 | 2.158 | ||
| n | Nominal Size | 0.563 | 0.75 | 0.75 | 1 | 1 | 1 | 1.125 | 1.125 | 1.125 | 1.25 | 1.25 | 1.375 | 1.375 | 1.5 | |
| max | 0.593 | 0.78 | 0.78 | 1.03 | 1.03 | 1.03 | 1.155 | 1.155 | 1.155 | 1.28 | 1.28 | 1.405 | 1.405 | 1.53 | ||
| min | 0.533 | 0.72 | 0.72 | 0.97 | 0.97 | 0.97 | 1.095 | 1.095 | 1.095 | 1.22 | 1.22 | 1.345 | 1.345 | 1.47 | ||
| b | max | 0.81 | 0.685 | 1.56 | 1.06 | 1.06 | 1.56 | 1.31 | 1.435 | 2.435 | 1.435 | 1.435 | 1.435 | 1.06 | 1.06 | |
| min | 0.69 | 0.565 | 1.44 | 0.94 | 0.94 | 1.44 | 1.19 | 1.315 | 2.315 | 1.315 | 1.315 | 1.315 | 0.94 | 0.94 | ||
| Nominal Diameter | 5/16 | 5/16 | 5/16 | 5/16 | 5/16 | 5/16 | 3/8 | 3/8 | 3/8 | 3/8 | 3/8 | 3/8 | 3/8 | 3/8 | ||
| d | ||||||||||||||||
| PP | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | ||
| L | Nominal Size | 4.5 | 2.688 | 4.75 | 3.188 | 5.625 | 3.688 | 2.25 | 2.25 | 2.5 | 2.75 | 2.625 | 3.125 | 6.625 | 3.625 | |
| max | 4.53 | 2.718 | 4.78 | 3.218 | 5.685 | 3.718 | 2.28 | 2.28 | 2.53 | 2.78 | 2.655 | 3.155 | 6.685 | 3.655 | ||
| min | 4.47 | 2.658 | 4.72 | 3.158 | 5.565 | 3.658 | 2.22 | 2.22 | 2.47 | 2.72 | 2.595 | 3.095 | 6.565 | 3.595 | ||
| n | Nominal Size | 1.75 | 1.75 | 1.75 | 1.75 | 2 | 2 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | |
| max | 1.78 | 1.78 | 1.78 | 1.78 | 2.03 | 2.03 | 2.03 | 2.03 | 2.53 | 2.53 | 2.53 | 3.03 | 3.03 | 3.03 | ||
| min | 1.72 | 1.72 | 1.72 | 1.72 | 1.97 | 1.97 | 1.97 | 1.97 | 2.47 | 2.47 | 2.47 | 2.97 | 2.97 | 2.97 | ||
| b | max | 2.06 | 1.06 | 3.06 | 1.06 | 3.06 | 1.06 | 1.31 | 1.31 | 1.31 | 1.185 | 1.31 | 1.31 | 3.06 | 1.31 | |
| min | 1.94 | 0.94 | 2.94 | 0.94 | 2.94 | 0.94 | 1.19 | 1.19 | 1.19 | 1.065 | 1.19 | 1.19 | 2.94 | 1.19 | ||
| Nominal Diameter | 3/8 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 3/4 | 7/8 | 7/8 | 7/8 | 1 | ||
| d | ||||||||||||||||
| PP | 16 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 9 | 9 | 9 | 8 | ||
| L | Nominal Size | 5.5 | 4.5 | 5 | 8.5 | 5.5 | 6 | 7.25 | 8.375 | 10.375 | 13.813 | 16.063 | 17.313 | 19.313 | 21.688 | |
| max | 5.56 | 4.53 | 5.06 | 8.59 | 5.56 | 6.06 | 7.31 | 8.465 | 10.465 | 13.933 | 16.183 | 17.433 | 19.433 | 21.808 | ||
| min | 5.44 | 4.47 | 4.94 | 8.41 | 5.44 | 5.94 | 7.19 | 8.285 | 10.28 | 13.693 | 15.943 | 17.193 | 19.193 | 21.568 | ||
| n | Nominal Size | 3.5 | 3.5 | 3.5 | 4 | 4 | 4.5 | 5.625 | 6.75 | 8.75 | 10.875 | 12.875 | 14.125 | 16.125 | 18.125 | |
| max | 3.53 | 3.53 | 3.53 | 4.03 | 4.03 | 4.53 | 5.685 | 6.81 | 8.84 | 10.965 | 12.995 | 14.245 | 16.245 | 18.245 | ||
| min | 3.47 | 3.47 | 3.47 | 3.97 | 3.97 | 4.47 | 5.565 | 6.69 | 8.93 | 11.055 | 12.755 | 14.005 | 16.005 | 18.005 | ||
| b | max | 2.31 | 1.685 | 1.56 | 3.06 | 1.56 | 1.56 | 2.06 | 2.06 | 2.06 | 4.06 | 4.31 | 4.31 | 4.31 | 4.81 | |
| min | 2.19 | 1.565 | 1.44 | 2.94 | 1.44 | 1.44 | 1.94 | 1.94 | 1.94 | 3.94 | 4.19 | 4.19 | 4.19 | 4.69 | ||
We need more detail as follow with many thanks. This will allow us to give you an accurate quotation if you need customized.
• Product:
• Material:
• Order Quantity:
• Surface treatment:
• When do you need it by?
• Where to Shipping (Country with postal code please) :
• Measure: Inside Diameter/Outside Diameter/Thickness/Length:
• Email your drawing ( jpg, png or pdf, word) with minimum 300 dpi resolution for good clarity.
We will use our professional testing equipment to test each batch of products to ensure that our products meet the requirements.
At the same time, we can arrange for third parties, such as SGS, TUV and other testing institutions to issue test reports according to customer requirements, because we have enough confidence to guarantee the quality of our products.
Customer recognition is our greatest happiness.
Shanghai Gentle Fasteners Technology Co., Ltd. is a company established for more than 30 years, specializing in the production and sales of fastener products.
We provide various nuts, washers, screws and bolts. The strength grade can be 4.8, 6.8, 8.8, 10.9, 12.9 or A2-50, A2-70, A4-70, A4-80. The material used can be Carbon Steel, Alloy Steel, Stainless Steel, or other non-ferrous metals for you, such as copper or tin bronze. The length and thread are customized according to your needs.
We can produce samples according to your requirements or draw drawings according to customer requirements.
Quality First, Customer First, and grow together with our partners around the world.
Q:Are you a manufacturing company or trading company?
A: Our factory are specialized in manufacturing fasteners more than 40 years and our sales company have exporting experience for more than 16 years.
Q: Wonder if you accept small orders?
A: Do not worry. Please feel free to contact us, in order to give our clients more convenience, we accept small order.
Q: How can I get a sample to check your quality?
A: After price is confirmed, you can require samples to check our quality. Free for stock samples, but freight collect. For sample making, we will charge a sample fee. Sample fee will be confirmed according to the products' craftwork.
Q: How can I customize my products?
A: Attach your drawings with details. (Surface, treatment, material, quantity and special requirements etc.) . And we can print your logo according to your request and Brand Authorization Letter
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: What is your payment term?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30%-70% T/T in advance (depending on different situations.), balance before shipment.
Q: What's your packing?
A: Our Normal packing is bulking in Cartons, 20-25kgs/carton, 36cartons/ pallet. We also can pack products according to your requirement.
Q: Do you have after-sales service?
A: Certainly, you can contact us at any time. And we are very confident in our products, we pack them very well to make sure the goods in well protection to avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest. if it is our problem we will responsible for it.
Please feel free to contact us for detailed information.
