| Round pipe Size | 2.875 OD or 3.0 OD or 3.5OD |
| Length | 3ft or 7ft or 10ft or According to your demand |
| Surface treatment | Hot Dipped Galvanized or Painted |
| Helix Blade | 8", 10", 12" and 14" in diameter |
| Blade thickness | 3/8" or 1/2" |
| OEM | Available |
| Sample | Available |
Steel round helical pipe extension foundation--Chinese Supplier
Helical Anchors | |||||
Shaft Size | Installation Torque Factor (k) | Axial Compression Load Limit | Ultimate-Limit Tension Strength | Useable Torsional Strength | Practical Load Limit Based Torsional Strength |
1-1/2†Square Bar | 9 - 11 | 70,000 lb. | 70,000 lb. | 7,500 ft-lb | Load limited to the rated capacity of the attachments and the lateral soil strength against the shaft |
1-3/4†Square Bar | 9 - 11 | 100,000 lb. | 100,000 lb. | 11,000 ft-lb | |
2-1/4†Square Bar | 10 - 12 | 200,000 lb. | 200,000 lb. | 23,000 ft-lb | |
2-7/8†Tubular – 0.203†Wall | 8 - 9 | 60,000 lb. | 60,000 lb. | 5,500 ft-lb | 44,000 lb |
2-7/8†Tubular – 0.262†Wall | 8 - 9 | 100,000 lb. | 100,000 lb. | 9,500 ft-lb | 80,000 lb |
3-1/2†Tubular – 0.300†Wall | 7 - 8 | 115,000 lb. | 120,000 lb. | 13,000 ft-lb | 97,000 lb |
4-1/2†Tubular – 0.337†Wall | 6 - 7 | 160,000 lb. | 160,000 lb. | 22,000 ft-lb | 143,000 lb |
Helix Blade | 8", 10", 12" and 14" in diameter with 3/8", 1/2" thickness. | ||||
Finish
| Plain, Hot Dipped Galvanized, Painted, Powder Coating are available on your request. | ||||
Construction Fundation Helical Anchor Advantages
A time-proven, versatile, and technically sound system
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Lower cost and faster installation than other methods |
Installs quickly with small or handheld equipment. |
Can be installed in limited-access areas or tight access. |
Site cleand minimize damage to landscape. |
Soil load bearing capacity is tested during installation. |
Helical anchors available with single, double and triple helix blades.
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Available with optional hot-dip galvanization for added corrosion protection.
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Our service:
1. Professional staffs reply your inquiry in 24 working hours.
2. Professional factory: We are manufacturer, professional engineers and staffs are specialized in producing all kinds of traffic safety products for more than 10 years.
3. Door-To-Door service is available, you just need to check the products in your warehouse.
4. OEM and ODM service are available here.
5. Competitive pricing, good quality and timely service.
6. Sample: Available
1. Are your products the same with the ones in our local market?
Yes, we produce according to FHWA and ATSSA standard, we manufactured millions of square sign posts and U channel posts for North American market during the past ten years and very familiar with every detail of these products. We believe that there is no company in China is more professional than us on this product.2. What is the minimum order quantity?
The MOQ for square sign post is 11000lbs for each size, for u channel post is 22000lbs for each size. You can mix different sizes of posts to make up a full container. If you want to know the MOQ for other products, please feel free to us.
3. How long is your lead time?
Usually our production time for one container goods is about 30-40 days, and the shipping time depends on your place of delivery.
4. What is your payment term?
Usually our payment term is T/T. We can receive the payment 1-3 days after you made payment.
5. Is it complicated to purchase your products if we have never imported?
The whole process is very simple. We can take charge of the whole process including producing in China and shipping the products directly to your company. Our shipping agent in USA/Canada can deal with the customs clearance and inland transportation affairs for you. You just need to stay in your office to check our products.
Welcome to us to consult product information at any time and welcome to China to visit our factory!
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