70 External Coupling
70   External Coupling

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• Quick and easy way to assemble structural pipe systems • Galvanized malleable iron
• Reduce labor costs by 70% • 100% reusable • No welding or threading • No drilling or bolting

Strong, malleable iron, slip-on pipe fittings with from one to five case-hardened
set screws per fitting – depending on the number of pipes to be joined at one joint.
For slip-on aluminum fittings. These fittings can support an axial load of 2000 lbs
per set screw with the set screw tightened to a torque of 29 lbs/ft. This is normally
obtained when the screw is fully tightened using a ratchet wrench.

This fitting, with holes provided for countersunk flat head screw fixings only, is designed to carry handrails along walls or to fix structures back to walls. The pipe passes through the fitting and cannot be joined within the fitting. Type 70 is also used to attach toeboards to the base of guardrail uprights.
Warning: These fittings are not to be used as base flanges for full height guardrails.



Material/Finish Pipe Size Mfg PN SKU Description Price
Qty Unit Measure

Aluminum Magnesium
05630 External Coupling Aluminum Magnesium 3/4%22 IPS (1.09%22 ID)
3/4" IPS 70-5 05630
Ships within 24-48 hours
Local pickup available
External Coupling Aluminum Magnesium 3/4" IPS (1.09" ID)
06630 External Coupling Aluminum Magnesium 1%22 IPS (1.38%22 ID)
1" IPS 70-6 06630
Ships within 24-48 hours
Local pickup available
External Coupling Aluminum Magnesium 1" IPS (1.38" ID)
07630 External Coupling Aluminum Magnesium 1-1/4%22 IPS (1.72%22 ID)
1-1/4" IPS 70-7 07630
Ships within 24-48 hours
Local pickup available
External Coupling Aluminum Magnesium 1-1/4" IPS (1.72" ID)
08630 External Coupling Aluminum Magnesium 1-1/2%22 IPS (1.94%22 ID)
1-1/2" IPS 70-8 08630
Ships within 24-48 hours
Local pickup available
External Coupling Aluminum Magnesium 1-1/2" IPS (1.94" ID)
09630 External Coupling Aluminum Magnesium 2%22 IPS (2.41%22 ID)
2" IPS 70-9 09630
Ships within 24-48 hours
Local pickup available
External Coupling Aluminum Magnesium 2" IPS (2.41" ID)