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Help CenterBulk Rigging Supplies for Construction Sites, Grade 80 Chain Slings, 4-Leg Configuration, 2 Year Warranty
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As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to offer Bulk Rigging Supplies for Construction Sites — specifically our Grade 80 Chain Slings in 4-Leg Configuration. With an annual export value exceeding US$5 million and a strong presence in markets across North America, Europe, Southeast Asia, and beyond, our chain slings deliver reliable lifting performance for demanding construction environments. Built from high-grade alloy steel and backed by a 2-year warranty, these slings are engineered to maximize safety, durability, and operational efficiency. Whether you are hoisting heavy steel beams, precast concrete, or machinery, our 4-leg slings provide balanced load distribution and exceptional strength.
Our Grade 80 chain slings are manufactured in strict compliance with international lifting standards, using heat-treated alloy steel to achieve a tensile strength of 800 MPa. The 4-leg configuration allows for secure lifting of irregularly shaped loads, reducing the risk of slippage. Each sling is equipped with durable hooks, master links, and coupling links that undergo rigorous testing. The chains are available in various diameters (e.g., 8mm, 10mm, 13mm) and can be customized to meet specific lifting capacities. Surface finishes include painted or hot-dip galvanized options to resist corrosion in harsh outdoor construction sites.
Key Features & Benefits:
- High-Strength Grade 80 Alloy Steel — Provides superior wear resistance and long service life, reducing replacement costs.
- 4-Leg Configuration — Distributes load evenly across four points, enhancing stability and safety for heavy or unbalanced loads.
- Customizable Length & Capacity — Available in chain diameters from 6mm to 16mm, with working load limits (WLL) up to 20 tons per leg (depending on size).
- Durable Hooks & Master Links — Forged alloy steel hooks with safety latches prevent accidental disengagement.
- Surface Protection — Choose between painted or galvanized finish to resist rust and extend service life in outdoor conditions.
- 2-Year Warranty — Covers manufacturing defects, giving you peace of mind for your investment.
Technical Specifications (Typical Values):
| Chain Diameter | 8 mm | 10 mm | 13 mm | 16 mm |
| Working Load Limit per Leg (WLL) | 2.5 tons | 4.0 tons | 6.8 tons | 10.0 tons |
| Breaking Load (4x Safety Factor) | 10 tons | 16 tons | 27.2 tons | 40 tons |
| Approx. Weight per Meter | 1.2 kg | 1.9 kg | 3.1 kg | 4.5 kg |
Our Bulk Rigging Supplies include not only 4-leg slings but also compatible accessories such as adjustable chains, grab hooks, and crane hooks. Ideal for construction sites, shipyards, warehouses, and heavy machinery assembly, these slings are designed to meet the rigorous demands of daily lifting operations. The 4-leg configuration significantly reduces the risk of load tilting, making it a preferred choice for irregularly shaped cargo.
Why Choose Boli for Your Bulk Rigging Needs?
- Over 25 Years of Manufacturing Experience — Founded in 1998, we have honed our production processes to ensure consistent quality.
- Global Export Reach — Our products are shipped to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and the Middle East, fulfilling large-volume orders with reliability.
- Flexible Shipping Options — We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, enabling cost-effective logistics.
- Factory-Direct Pricing — As a manufacturer, we eliminate middlemen, offering competitive prices for bulk orders without compromising on quality.
- Stringent Quality Control — Each chain sling is proof-tested and inspected before shipment; we provide test certificates upon request.
With an annual export value of US$5–10 million, our factory has built strong partnerships with construction companies, equipment distributors, and rigging specialists worldwide. We welcome inquiries for custom lengths, special coatings, and private labeling. Our team provides prompt technical support and after-sales service.
Frequently Asked Questions (FAQ)
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Q: What is the maximum working load limit (WLL) for your 4-leg chain slings?
A: WLL depends on chain diameter and leg configuration. For example, a 10 mm chain sling with 4 legs has a WLL of 4 tons per leg, total 16 tons (when vertical). However, actual WLL decreases with the lifting angle – refer to our load chart. -
Q: Can I get custom chain lengths and leg lengths?
A: Yes, we offer customizable lengths. Please provide your required overall length and leg spacing when ordering. -
Q: What surface finish options are available?
A: We offer painted (red, blue, or yellow) and hot-dip galvanized finishes. Galvanized provides superior corrosion resistance for outdoor and marine environments. -
Q: Do you provide test certificates or proof load testing?
A: Yes, we can provide a manufacturer's test certificate and proof load test reports upon request. Additional charges may apply. -
Q: What is the temperature range for Grade 80 chain slings?
A: Standard Grade 80 slings are rated for -40°C to +200°C. For higher temperatures, special grades are available – please consult us. -
Q: How do I attach the sling to my crane hook?
A: The sling includes a master link at the top and a hook on each leg. The master link is designed to fit standard crane hooks or shackles. Safety latches on hooks prevent accidental release. -
Q: What is the warranty coverage?
A: Our 2-year warranty covers manufacturing defects in materials and workmanship. It does not cover damage caused by misuse, overloading, or improper maintenance. -
Q: Can I order small quantities or samples before bulk purchase?
A: Yes, we accept sample orders for evaluation. Sample cost and shipping are negotiable, and we will deduct from full order.
Contact Anping County Boli Hardware Wiremesh Products Factory today for a quote on your Bulk Rigging Supplies. Our experienced team is ready to assist with custom configurations, fast delivery, and competitive pricing. Trust us to be your reliable partner for safe and efficient lifting solutions.
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