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The BSC PREFERRED CT21250 is a heavy-duty nylon cable tie designed to permanently secure cords, cables, bags, and similar bundling applications. These ties feature a locking mechanism that grips tight and will not slide or loosen once fastened. Sold in cases of 100, the CT21250 suits high-volume work environments where reliable, repeatable fastening is required. The nylon construction provides solid tensile strength and resistance to everyday handling, making these ties a dependable choice for electricians, HVAC technicians, and general tradespeople who need consistent performance on the job.
These cable ties are well suited to both residential and light commercial applications. Common uses include bundling low-voltage wiring harnesses, securing conduit runs, organizing pneumatic hose sets, and closing bags or covers during packaging and shipping tasks. The case quantity of 100 supports volume installs and stocking service vans or shop supply areas without frequent reordering.
Designed as a general-purpose heavy-duty cable tie suitable for electrical, HVAC, plumbing, and packaging applications where a locking nylon tie is required. Equivalent to part number S-13445.
Cable ties are typically installed by hand or with a cable tie tensioning tool to achieve consistent pull force without over-tightening. Power down any electrical circuits before securing wiring bundles in panel or junction box environments, as required by NEC guidelines. Trim excess tail flush with the locking head using diagonal cutters to avoid sharp edges on finished installations.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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