Tie Down Zip Rail Pipe Fitting, Straight Coupling - 13708
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Tie Down Zip Rail Pipe Fitting, Straight Coupling - 13708
The Tie Down Zip Rail Straight Coupling joins two lengths of pipe end to end in a straight line. Use it to extend guardrail and handrail runs beyond a single pipe length. It installs quickly without special tools.
Key features
- Joins two pipes end to end in a straight line
- Extends rail runs beyond standard pipe lengths
- Cast iron or aluminum construction
- No special tools required
- Silver finish
Ideal applications
- Long perimeter guardrail runs on flat roofs
- Extended walkway and catwalk railing
- Repairing or lengthening existing pipe railing
Why buyers choose this product
Couplings make long rail runs possible with standard pipe lengths, saving on cutting and fabrication. It is one of the most frequently used fittings in any layout.
Specifications
| Brand | Tie Down |
| Product type | Pipe railing fitting - straight coupling |
| Dimensions (L x W x H in.) | 3 x 3 x 4 |
| Weight (lbs) | 1 |
| Color | Silver |
| Material | Cast iron or aluminum (per manufacturer) |
| Compatibility | Tie Down Zip Rail pipe railing and guardrail systems |
| Compliance | Zip Rail fittings meet OSHA compliance standards (per manufacturer) |
Additional product details
Position couplings near supports where practical for a rigid run. See the instructions for proper installation.
Keep plenty of straight couplings on hand for long runs.
Documents
MFG Part #: 13708
| Product Type | Guardrail Systems |
|---|
Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

