NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum
The NATIONAL GUARD Door Threshold is a heavy-duty aluminum threshold, 6 ft long, with a fluted transition type (MPN 513HDDKB-72). 3G Electric interprets customer demand and delivers this genuine industrial product…
SKU 3G-OTH-505743
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Product Description
The NATIONAL GUARD Door Threshold is a heavy-duty aluminum threshold, 6 ft long, with a fluted transition type (MPN 513HDDKB-72). 3G Electric interprets customer demand and delivers this genuine industrial product across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.
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 513HDDKB-72 door threshold used for?
The NATIONAL GUARD 513HDDKB-72 is a heavy-duty aluminum threshold, 6 ft long with a fluted transition type. It seals the gap under commercial or industrial doors to block drafts, moisture, and debris while providing a smooth, slip-resistant surface for foot and cart traffic.
What are the specifications of the NATIONAL GUARD 513HDDKB-72?
The NATIONAL GUARD 513HDDKB-72 is a heavy-duty aluminum threshold, 6 ft long, with a fluted transition type. The manufacturer part number is 513HDDKB-72. It is designed for demanding industrial doorways where durability and a secure seal are required.
Where to buy the NATIONAL GUARD 513HDDKB-72 worldwide?
3G Electric supplies the NATIONAL GUARD 513HDDKB-72 heavy-duty aluminum threshold 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 a heavy-duty aluminum door threshold?
Install the NATIONAL GUARD 513HDDKB-72 by first measuring and cutting the threshold to fit the doorway width. Clean the subfloor, apply a continuous bead of construction adhesive, and press the threshold into place. Secure with corrosion-resistant screws at pre-drilled holes, then seal the ends with silicone caulk.
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.









