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Since its establishment in 2002,
Zhangjiagang SMK MFG. Co., Ltd.
has specialized in cargo securing and control products, with over 20 years of experience in R&D and global export. The company operates three factories and a large-scale warehouse center, forming an efficient international supply network.
SMK is China Xstrap 63231 5/16"–3/8" Grade 70 Ratchet Load Binder Working Load Limit 5,400 lbs Factory and Custom Xstrap 63231 5/16"–3/8" Grade 70 Ratchet Load Binder Working Load Limit 5,400 lbs Suppliers. The product range includes tie-down straps, bungee cords, tow straps, lifting slings, hoists, and 4x4 accessories, widely used in transportation, logistics, outdoor, and industrial sectors. Its in-house brand XSTRAP enjoys strong recognition in global markets, alongside flexible OEM/ODM services for customized needs.
With over 8,000 sqm of production space, SMK is equipped with advanced automated lines and in-house testing labs, ensuring full-process quality control from raw material to finished goods. The company is ISO 9001 certified, SMETA audited, and has passed C-TPAT anti-terrorism inspections and multiple GS and patent certifications.
Looking ahead, SMK will continue to upgrade its cargo control systems, stay close to customer needs, and provide high-quality, efficient products and services worldwide.
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1. Product Introduction
The Xstrap 63231 Grade 70 Ratchet Load Binder is a professional-grade tensioning device designed for securing heavy loads on flatbed trailers, trucks, and industrial transport equipment. Compatible with 5/16" and 3/8" G70 transport chains, this ratchet binder provides smooth, controlled tightening through its geared ratcheting mechanism. Built from high-strength alloy steel and engineered for durability, it delivers a 5,400 lbs Working Load Limit, making it ideal for daily cargo securement in demanding environments.
2. Product Specification
Product Name
5/16"–3/8" Grade 70 Ratchet Load Binder
Chain Compatibility
5/16" – 3/8" G70 Transport Chains
Type
Ratchet Load Binder
Material
Alloy Steel
Finish
Corrosion-Resistant Coating
Working Load Limit (WLL)
5,400 lbs
Usage
Flatbed trailers, heavy equipment transport, towing, industrial cargo securement
Packaging
1-Pack
3. About This Item
- Heavy-Duty Alloy Steel Construction: Built from high-strength alloy steel, this ratchet binder provides the durability and load-bearing capability required for professional cargo securement. Its robust construction ensures reliable performance under high tension.
- Smooth Ratcheting Mechanism for Controlled Tensioning: The geared ratchet system allows precise, incremental tightening, making it easier to achieve proper chain tension with less physical effort compared to lever binders.
- Compatible with 5/16"–3/8" Grade 70 Chains: Engineered to work with both 5/16" and 3/8" G70 transport chains, offering versatility for a wide range of hauling and load-binding applications.
- Corrosion-Resistant Finish for Long-Term Durability: A protective coating enhances resistance to rust, abrasion, and harsh outdoor conditions, extending the binder’s service life in industrial and transport environments.
- Rated 5,400 lbs WLL for Secure Heavy Loads: With a 5,400 lbs Working Load Limit, this ratchet binder meets industry standards for securing machinery, construction materials, and other heavy freight.
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