NATIONAL GUARD Hardware Prep Filler Kit (MPN HP90-MORT). Key specifications — Brand: NATIONAL GUARD.
SKU 3G-OTH-499056
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Frequently Asked Questions
What is NATIONAL GUARD Hardware Prep Filler Kit used for?
The NATIONAL GUARD HP90-MORT filler kit is used to cover unused or oversized door prep holes, providing a clean, finished appearance on commercial or residential doors. It is ideal for maintenance teams and contractors needing to fill mortise lock or latch preparations without replacing the entire door.
What are the specifications of the NATIONAL GUARD HP90-MORT filler kit?
The NATIONAL GUARD HP90-MORT is a hardware prep filler kit designed for door hole covers and filler plates. It is manufactured by NATIONAL GUARD under part number HP90-MORT. For exact dimensions and material composition, consult the product datasheet or contact 3G Electric for technical support.
Where to buy NATIONAL GUARD HP90-MORT filler kit worldwide?
3G Electric supplies the NATIONAL GUARD HP90-MORT filler kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this door hardware filler plate.
How to install the NATIONAL GUARD HP90-MORT filler kit?
To install the NATIONAL GUARD HP90-MORT filler kit, clean the door prep area, insert the filler plate into the mortise or hole, and secure it using the provided fasteners. Ensure the plate sits flush with the door surface. For best results, follow standard door hardware installation practices and use appropriate tools.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD door hole covers & filler plates. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



