Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack)

★★★★★ 4.7 124 reviews

$18.80
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Management number 219067896 Release Date 2026/05/03 List Price $7.52 Model Number 219067896
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Product Description Defender Security U 9551 Stainless Steel Lock and Door Reinforcer assists in preventing forced entry by reinforcing the weak spot of an entry door. It can be used to reinforce and repair both metal and wood doors. Made of stainless Steel, the lock reinforcer plate comes in a natural 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 1-3/8 inch thick doors that have mortise or drive-in latches. It features one 2-1/8 inch bore with a 2-3/8 inch backset. The door reinforcer is recessed. Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal). From the Manufacturer This lock & door reinforcer is constructed of stainless steel and fits 1-3/4 in. thick doors. It features a recessed latch plate pocket for flush installation of hardware. This security device assists in preventing forced entry by reinforcing the weak spot of an entry door, and it can be used on both metal and wood doors. This item accommodates key-in knob locksets on doors that have 2-1/8 in. bore sizes with a backset of 2-3/8 in. The width of this door guard is 3-7/8 in. and it is 9-7/8 in. tall. These door reinforcers are easy to install and they are used by many. All installation fasteners are included with this item.

  • 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 when the latch area has been compromised
  • BUILT TO LAST – Made of stainless steel, the door lock reinforcement plate comes in a natural finish 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 9 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
  • Used to reinforce and repair doors to aide in preventing forced entry
  • Fits 1-3/4 in. thick doors, 2-1/8 in. bores, 2-3/8 in. backset, 3-7/8 in. width x 9 in. height
  • Stainless steel
  • Stainless steel
UPC 049793195517
Color Stainless Steel
Lock Type Deadbolt
Brand Name PRIME-LINE
Model Name Door guard
Style Name Modern
Unit Count 1.0 Count
Item Weight 0.8 Pounds
Finish Types Stainless Steel
Manufacturer Prime-Line Products
Model Number U 9551
Material Type Alloy Steel
Item Type Name Lock and Door Reinforcer
Item Dimensions 3.88 x 1.75 x 9 inches
Number of Pieces 1
Additional Features Anti-Forced Entry
Included Components Lock and Door Reinforcer
Manufacturer Part Number U 9551
Smart Home Compatibility Not Smart Home Compatible
Recommended Uses For Product Reinforcing entry doors in residential and commercial buildings to prevent forced entry
Manufacturer Warranty Description Goods are warranted against manufacturing defects for 1 year. In no case is prime-line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse.
Global Trade Identification Number 00049793195517

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