NATIONAL GUARD Door Threshold: Heavy Duty, Aluminum
The NATIONAL GUARD Door Threshold is a heavy-duty aluminum threshold, 3 ft long (MPN 425HDDKB-36), featuring a fluted transition type. 3G Electric interprets customer demand and delivers genuine industrial equipment…
SKU 3G-OTH-505735
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Product Description
The NATIONAL GUARD Door Threshold is a heavy-duty aluminum threshold, 3 ft long (MPN 425HDDKB-36), featuring a fluted transition type. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is the NATIONAL GUARD 425HDDKB-36 door threshold used for?
The NATIONAL GUARD 425HDDKB-36 is a heavy-duty aluminum door threshold, 3 ft long with a fluted transition type. It provides a durable, slip-resistant surface at door openings in commercial and industrial facilities, helping seal gaps and manage transitions between flooring materials.
What are the specifications of the NATIONAL GUARD 425HDDKB-36 threshold?
The NATIONAL GUARD 425HDDKB-36 is a heavy-duty aluminum threshold, 3 ft long, with a fluted transition type. The manufacturer part number is 425HDDKB-36. It is designed for demanding door openings where strength and traction are required.
Where to buy the NATIONAL GUARD 425HDDKB-36 threshold worldwide?
3G Electric supplies the NATIONAL GUARD 425HDDKB-36 heavy-duty aluminum threshold to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this fluted transition threshold for your industrial or commercial project.
How to install a heavy-duty aluminum door threshold like the NATIONAL GUARD 425HDDKB-36?
Installation typically involves measuring the door opening, cutting the threshold to length if needed, and securing it with appropriate fasteners into the subfloor. Ensure the fluted surface faces upward for traction. Seal edges with silicone for weatherproofing. Always follow the manufacturer's instructions 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.









