Koch Industries 3/8 in Welded Carbon Steel Proof Coil Chain on a 35 ft spool is the rugged, ready-to-deploy solution for securing, towing, and general rigging tasks across job sites, farms, and workshops. Built from sturdy carbon steel with welded links, this chain delivers reliable strength where it matters most, cutting down on tangles and downtime with a practical spool packaging that’s made to roll out exactly what you need.
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Diameter: 0.375 in (3/8 in)
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Length: 35 ft
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Material: Carbon steel
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Construction: Welded
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Packaging: Spool
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Weight capacity: 2650 lbs
Why this chain stands out
Welded construction means each link is fused for consistent strength, reducing the risk of link failure under load. The carbon steel composition provides a strong, durable option that’s well-suited to everyday heavy-duty tasks without the extra cost and weight of alloys designed for specialized environments. The 35 ft spool format keeps deployment simple and storage tidy, letting you pull out just what you need and keep the rest neatly coiled for future jobs.
Ideal use cases
- Securing loads on flatbeds, trailers, and trucks during transport or staging at the job site
- Temporary rigging for construction, agribusiness, or industrial applications
- Tow and pull-through tasks where a reliable, fatigue-resistant chain is appropriate
- General-purpose tie-downs for equipment, tools, and materials on rugged job sites
What to know before you use it
To get the most from this chain, pair it with hooks or shackles rated above the 2650 lbs capacity and use proper tie-down techniques. Inspect the chain before each use for elongation, deformation, or any signs of wear. Do not exceed the listed weight capacity, and avoid shock loads that can exceed the working load limit. Store on the spool to minimize kinks and tangling between jobs for faster setup next time.
Practical tips from the field
- Lay the chain out in a straight line before running it through hooks to prevent binding and uneven wear.
- When loading, apply smooth, gradual tension rather than abrupt jerks to preserve link integrity.
- Keep the chain dry and free from corrosive environments when possible; if exposure occurs, clean and inspect promptly after use.
- Document inspection results and replace any chain showing visible wear, cracks, or deformation.
