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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 63103 Bottom Mount Low Profile Side-Mount Weld-On Tie Down Winch Break Strength 16,500 lbs Factory and Custom Xstrap 63103 Bottom Mount Low Profile Side-Mount Weld-On Tie Down Winch Break Strength 16,500 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 63103 Low Profile Side-Mount Weld-On Winch is designed for operators who need a secure tie-down solution that fits tight clearance areas along the trailer frame. Its low-profile structure reduces interference with cargo while maintaining the strength required for heavy-duty freight. Built with a reinforced 7mm steel frame and engineered for side-mount welding, this winch delivers a 5,500 lbs Working Load Limit and 16,500 lbs Break Strength, making it ideal for machinery, steel loads, palletized freight, and other industrial cargo applications.
2. Product Specification
Product Name
Bottom Mount Low Profile Side-Mount Weld-On Winch
Mounting Style
Side Mount, Weld On
Capacity
5,500 lbs/16,500 lbs
Compatible Strap Size
4" Winch Straps
Material
Carbon Steel
Finish
Black Powder-Coated
Usage
Flatbeds, step decks, machinery transport, industrial freight
Packaging
1-Pack
3. About This Item
- Low-Profile Side-Mount Design for Tight Spaces: The compact side-mount structure sits closer to the trailer frame, reducing interference with cargo and improving clearance in narrow loading areas.
- Reinforced 7mm Steel Frame for Heavy-Duty Performance: Constructed from durable 7mm carbon steel, this winch provides excellent strength and long-term resistance to bending, impact, and repeated tensioning.
- Permanent Weld-On Installation for Maximum Stability: Designed for side-mount welding, the winch attaches directly to the trailer rail, creating a fixed and vibration-resistant tie-down point for demanding freight operations.
- Smooth Drum Operation for Efficient Strap Handling: The drum design ensures 4" straps feed evenly and tighten smoothly, helping operators secure loads quickly without snagging or bunching.
- High Load Ratings for Professional Cargo Control: With a 5,500 lbs WLL and 16,500 lbs break strength, this winch is built to handle machinery, lumber, steel, and other heavy freight with confidence and reliability.
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