NATIONAL GUARD Door Threshold: Saddle, Aluminum
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 8429DKB-48) with a fluted transition type. 3G Electric sources this genuine industrial building product as part of our broader supply…
SKU 3G-OTH-505146
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Product Description
The NATIONAL GUARD Door Threshold is a 4 ft long aluminum saddle threshold (MPN 8429DKB-48) with a fluted transition type. 3G Electric sources this genuine industrial building product as part of our broader supply across 14 departments, with specialist expertise in combustion, pumps, and controls.
Frequently Asked Questions
What is the NATIONAL GUARD 8429DKB-48 door threshold used for?
The NATIONAL GUARD 8429DKB-48 is a 4 ft long aluminum saddle threshold with a fluted transition type. It is used to seal the gap under a door, providing a smooth transition between flooring surfaces while helping to block drafts, dust, and pests in commercial or industrial buildings.
What are the specifications of the NATIONAL GUARD 8429DKB-48 door threshold?
The NATIONAL GUARD 8429DKB-48 is a 4 ft long aluminum saddle threshold with a fluted transition type. The manufacturer part number is 8429DKB-48. It is designed for door openings requiring a durable, corrosion-resistant transition between different floor heights or materials.
Where to buy the NATIONAL GUARD 8429DKB-48 door threshold worldwide?
3G Electric supplies the NATIONAL GUARD 8429DKB-48 door threshold to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine building products across 14 departments, including specialist expertise in combustion, pumps, and controls.
How to install the NATIONAL GUARD 8429DKB-48 aluminum saddle threshold?
Install the NATIONAL GUARD 8429DKB-48 by measuring the door opening width, cutting the threshold to length if needed, and positioning it under the door. Secure it to the subfloor using appropriate fasteners (not included). Ensure the fluted surface faces the interior for a finished look and proper drainage.
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.









