NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum
The NATIONAL GUARD 513HD-72 is a heavy-duty aluminum door threshold, 6 ft long, with a fluted transition type. This product is supplied by 3G Electric, a global industrial solutions provider that interprets customer…
SKU 3G-OTH-505746
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Product Description
The NATIONAL GUARD 513HD-72 is a heavy-duty aluminum door threshold, 6 ft long, with a fluted transition type. This product is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand and delivers genuine equipment across 14 industrial departments, with specialist depth in combustion, pumps, and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the NATIONAL GUARD 513HD-72 door threshold used for?
The NATIONAL GUARD 513HD-72 is a heavy-duty aluminum door threshold, 6 ft long, designed to seal the gap under commercial or industrial doors. Its fluted transition type provides a durable, slip-resistant surface for high-traffic entries, reducing air and moisture infiltration.
What are the specifications of the NATIONAL GUARD 513HD-72?
The NATIONAL GUARD 513HD-72 is a heavy-duty aluminum door threshold, 6 ft long, with a fluted transition type. The manufacturer part number is 513HD-72. It is built for demanding commercial and industrial applications requiring a robust, long-lasting entry seal.
Where to buy the NATIONAL GUARD 513HD-72 worldwide?
3G Electric supplies the NATIONAL GUARD 513HD-72 heavy-duty door threshold to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine NATIONAL GUARD product.
How to install the NATIONAL GUARD 513HD-72 door threshold?
Install the NATIONAL GUARD 513HD-72 by measuring the door opening, cutting the 6 ft aluminum threshold to length if needed, and anchoring it to the subfloor with appropriate fasteners. Ensure the fluted surface faces upward for traction. Follow standard commercial door threshold installation practices for best results.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD heavy duty thresholds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









