---
product_id: 15935921
title: "U 9590 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack)"
brand: "prime-line"
price: "€ 45.85"
currency: EUR
in_stock: true
category: "Prime Line"
url: https://www.desertcart.hr/products/15935921-u-9590-stainless-steel-lock-and-door-reinforcement-plate-1
store_origin: HR
region: Croatia
---

# Reinforces door lock area Fits 1-3/4 inch thick doors Includes all mounting hardware U 9590 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack)

**Brand:** prime-line
**Price:** € 45.85
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock down your peace of mind with Prime-Line’s ultimate door reinforcer!

## Quick Answers

- **What is this?** U 9590 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack) by prime-line
- **How much does it cost?** € 45.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/15935921-u-9590-stainless-steel-lock-and-door-reinforcement-plate-1)

## Best For

- prime-line enthusiasts

## Why This Product

- Trusted prime-line brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fortify Your Frontline:** Reinforces the vulnerable lock zone to prevent forced entry
- • **Swift & Seamless Setup:** Pre-punched design with included hardware for hassle-free installation
- • **Precision Fit for Security:** Tailored for 1-3/4 inch thick doors with 2-1/8 inch bore and 2-3/8 inch backset
- • **Built to Brave the Elements:** Crafted from solid stainless steel with weather-resistant finish
- • **Universal Door Compatibility:** Works flawlessly on metal, fiberglass, and wood doors

## Overview

The Prime-Line U 9590 Stainless Steel Lock and Door Reinforcement Plate is a durable security upgrade designed to reinforce the lock area of 1-3/4 inch thick doors. Made from solid stainless steel with a weather-resistant finish, it fits doors with a 2-1/8 inch bore hole and 2-3/8 inch backset. Easy to install with included mounting hardware and pre-punched holes, it enhances protection against forced entry on metal, fiberglass, and wood doors.

## Description

The Defender Security U 9590 Stainless Steel Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of your door. It can be used to reinforce and repair metal, fiberglass and wood doors. Constructed of stainless steel, the lock reinforcer plate comes in a natural stainless steel finish. All the necessary mounting hardware is included for a quick and easy installation. The lock reinforcement plate is pre-punched for mounting. The reinforcer is designed for snug fit on a 1-3/4 inch thick doors that have mortise or drive-in latches. Measuring 3-7/8 inch wide by 4-1/2 inch tall, the reinforcement plate accommodates key-in knob locksets on doors that have 2-1/8 inch bore sizes, with a backset of 2-3/8 The Defender Security U 9589 Stainless Steel Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of your door. It can be used to reinforce and repair metal, fiberglass and wood doors. Constructed of stainless steel, the lock reinforcer plate comes in a natural stainless steel finish. All the necessary mounting hardware is included for a quick and easy installation. The lock reinforcement plate is pre-punched for mounting. The reinforcer is designed for snug fit on a 1-3/8 inch thick doors that have mortise or drive-in latches. Measuring 3-7/8 inch wide by 4-1/2 inch tall, the reinforcement plate accommodates key-in knob locksets on doors that have 2-1/8 inch bore sizes, with a backset of 2-3/8 inch from the edge of the door. The door reinforcer is non-recessed to fit over your existing latch.

## Features

- ADDED SECURITY – Prevent forced entry by reinforcing the weak spot of your door with the non-recessed door lock reinforcer; use to reinforce and repair both metal, fiberglass and wood doors
- BUILT TO LAST – Made of solid stainless steel, the door lock reinforcement plate comes finished in stainless steel to fit over a single bore hole on your door
- EASY INSTALLATION – All the necessary mounting hardware is included with the lock reinforcement plate for a quick and easy installation; the door reinforcer plate is pre-punched for mounting. Remove the protective film after installation
- DIMENSIONS – The door lock reinforcement plate is designed for 1-3/4 inch thick doors only that have a 2-1/8 inch bore hole through the door with a 2-3/8 inch backset from the edge of the door to the center of the bore holes
- NOTE – Make sure to dry fit the 3-7/8 inch wide by 4-1/2 inch tall with a 0.03 inch thickness door lock reinforcer before permanently installing and refer to the line art drawing and compare with your needs before purchasing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005H3AN7A |
| Additional Features | Weather Resistant |
| Best Sellers Rank | #1,007,761 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6,602 in Door Lock Replacement Parts |
| Brand Name | PRIME-LINE |
| Color | Stainless Steel |
| Control Method | Touch |
| Controller Type | Mechanical knob |
| Customer Reviews | 4.4 4.4 out of 5 stars (538) |
| Finish Types | Stainless Steel |
| Global Trade Identification Number | 00049793095909 |
| Included Components | Lock and Door Reinforcer |
| Item Dimensions | 3.88 x 1.75 x 4.5 inches |
| Item Type Name | Lock and Door Reinforcer |
| Item Weight | 5.28 ounces |
| Lock Type | Deadbolt |
| Manufacturer | Prime-Line Products |
| Manufacturer Part Number | U 9590 |
| Manufacturer Warranty Description | Goods are warranted against manufacturing defects for 1 year. |
| Material Type | Alloy Steel |
| Model Name | 1-3/4 in. x 4-1/2 in. Thick Stainless Steel Lock and Door Reinforcer, 2-1/8 in. Single Bore, 2-3/8 in. Backset |
| Model Number | U 9590 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Enhancing security of 1-3/4 inch thick doors with specific bore hole dimensions |
| Shape | Triangle |
| Style Name | Modern |
| UPC | 049793095909 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** PRIME-LINE
- **Item dimensions L x W x H:** 3.88 x 1.75 x 4.5 inches
- **Lock Type:** Deadbolt
- **Material:** Alloy Steel
- **Special Feature:** Weather Resistant

## Images

![U 9590 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack) - Image 1](https://m.media-amazon.com/images/I/61V1PLz2vNL.jpg)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-02*