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. |
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Finish | Plain, Hot Dipped Galvanized, Painted, Powder Coating are available on your request. |
A time-proven, versatile, and technically sound system |
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 cleanliness and minimize damage to landscape. |
Soil load bearing capacity is tested during installation. |
Helical anchors available with single, double and triple helix blades. |
Available with optional hot-dip galvanization for added corrosion protection. |
Better Screw Co. is a subsidiary of Better Group Corp. Better Group Corp have several different subsidiaries focus on different fields such as Metal work, CNC Equipment, Investment, Construction, and Real Estate business. Better Screw Co. is the first class helical screws products supplier for Residential, Commercial and Industrial Projects as well as Underpinning and Anchoring. We offer a full range of helical piles, push piers, helical plates, lead sections, steel extensions, helical brackets, as well as all the accessories needed to put your job together. During the past 10 years, our reliable quality, crazy prices and professional service had been confirmed by customers from the USA, Canada, Australia, Europe, Asia and many other countries from all over the world.
We can take charge of the whole process including producing in China and shipping the products directly to your company. Our agent in your country can deal with the customs clearance and inland transportation affairs for you. Even if your company never import, please don’t worry about it. You just need to stay in your warehouse to receive the products, it’s very simple!
Whether you are faced with a foundation issue or structural challenge, our staffs are ready to assist you as needed from your project. Please feel free to contact us if you want to lower your cost and ensure quality. Our mad pricing will make you become much more competitive and input new energy to your company!
Shaft material: 40Cr(ASTM A5140) or 45#(ASTM 1045) steel. Helix plate: ASTM A36 hot rolled plate, available in 3/8\'\' and 1/2\'\' thickness. All helix leading edges sharpened and rock cut and 45 degrees. Corrosion protection: ASTM A153, hot dipped zinc coating. Efficient ...
Shaft material: 40Cr(ASTM A5140) or 45#(ASTM 1045) steel. Helix plate: ASTM A36 hot rolled plate, available in 3/8\'\' and 1/2\'\' thickness. All helix leading edges sharpened and rock cut and 45 degrees. Corrosion protection: ASTM A153, hot dipped zinc coating. Efficient ...
Shaft material: 40Cr(ASTM A5140) or 45#(ASTM 1045) steel. Helix plate: ASTM A36 hot rolled plate, available in 3/8\'\' and 1/2\'\' thickness. All helix leading edges sharpened and rock cut and 45 degrees. Corrosion protection: ASTM A153, hot dipped zinc coating. Efficient ...