NATIONAL GUARD Door Threshold: Saddle, Aluminum
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 426DKB-48) with a fluted transition type. 3G Electric interprets customer demand and delivers this genuine industrial product across 14…
SKU 3G-OTH-505056
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Product Description
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 426DKB-48) with a fluted transition type. 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.
Frequently Asked Questions
What is a NATIONAL GUARD 426DKB-48 door threshold used for?
The NATIONAL GUARD 426DKB-48 is a 4 ft aluminum saddle threshold with a fluted transition type. It bridges the gap between flooring surfaces at doorways, providing a smooth, durable transition while sealing the bottom of the door against drafts, debris, and moisture in commercial or industrial entries.
What are the specifications of the NATIONAL GUARD 426DKB-48 threshold?
The NATIONAL GUARD 426DKB-48 is a 4 ft long aluminum saddle threshold with a fluted transition type. The manufacturer part number is 426DKB-48. It is designed for doorways requiring a robust, corrosion-resistant transition that accommodates slight height differences between adjacent floor surfaces.
Where to buy a NATIONAL GUARD 426DKB-48 threshold worldwide?
3G Electric supplies the NATIONAL GUARD 426DKB-48 aluminum saddle threshold worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine product to your facility. Contact us for a quote and delivery timeline to your location.
How to install a NATIONAL GUARD 426DKB-48 saddle threshold?
Install the NATIONAL GUARD 426DKB-48 by first measuring and cutting the threshold to exact door width if needed. Clean the subfloor, apply a bead of construction adhesive along the threshold base, position it centered under the closed door, and fasten with corrosion-resistant screws into the subfloor. Ensure the fluted surface faces the interior for traction.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD saddle thresholds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









