Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Home Improvement
  4. /
  5. Hardware
  6. /
  7. Doors & Door Hardware
  8. /
  9. Door Knobs
  10. /

  11. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

  1. Home
  2. /
  4. /
  5. Door Knobs

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

Shop all Prime-Line

  • Limited Time Deal

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

Item # 210077899

Prime-Line Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492
Prime-Line Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492
$17.09

Sale

Was$18.99

Save $1.90 (10%)

Spend $49.99 to unlock free delivery!

Notice:
This Item cannot be shipped to AK, HI.
Get everything you need
Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492
0.0(0)

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

$17

.09

$18.99

Save (10%)

Prime-Line Door Edge Filler Plate, 1 in. x 2-1/4 in., Steel, Gray Primered, U 9520
0.0(0)

Prime-Line Door Edge Filler Plate, 1 in. x 2-1/4 in., Steel, Gray Primered, U 9520

$9

.99

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589
0.0(0)

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589

$19

.99

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Prime-Line

  • Limited Time Deal

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

Item # 210077899

Prime-Line Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492
Prime-Line Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

$17.09

Sale

Was$18.99

Save $1.90 (10%)

Spend $49.99 to unlock free delivery!

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Notice:
This Item cannot be shipped to AK, HI.
Get everything you need
Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492
0.0(0)

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9492

$17

.09

$18.99

Save (10%)

Prime-Line Door Edge Filler Plate, 1 in. x 2-1/4 in., Steel, Gray Primered, U 9520
0.0(0)

Prime-Line Door Edge Filler Plate, 1 in. x 2-1/4 in., Steel, Gray Primered, U 9520

$9

.99

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589
0.0(0)

Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589

$19

.99

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Defender Security U 9492 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 sstainless steel construction, the lock reinforcer plate comes finished in stainless steel. 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 1-3/4 inch thick doors that you wish to cover up the bore hole.Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal).

  • ADDED SECURITY Prevent forced entry by reinforcing the weak spot of an entry door with the non-recessed door lock reinforcer; use to reinforce and repair both metal and wood doors
  • BUILT TO LAST Made of solid brass construction, the door lock reinforcement plate comes in an stainless steel 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
  • DIMENSIONS The door lock reinforcement plate is designed for 1-3/4 inch thick doors that you wishh to cover the bore hole
  • NOTE - Please refer to the line art drawing for dimensions and compare to your needs before purchasing (Not Universal)
BrandPrime-Line
Country of OriginImported
ANSI Security GradeNo grade
Door HandingReversible
FeaturesNone
FinishStainless-steel
Indoor/OutdoorIndoor and Outdoor
Knob Bore Hole Diameter0 in.
Knob Cross Bore Diameter0 in.
Knob Diameter0 in.
Knob Housing Height0 ni
Knob Housing Width0 in.
Knob Strike Height0 in.
Knob Strike StyleOther
Knob Strike Width0 in.
Knob Throw Length0 in.
Knob TypeKnob Only
Knob UsageOther
Maximum Door Thickness1.75 in.
Minimum Door Thickness1.75 in.
Number of Keys Included0
Number Of Pins0
Package Quantity1
Primary ColorGray
Primary MaterialStainless Steel
Product Height4.5 in.
Product Length4.5 in.
Product Weight0.42 lb.
Product Width1.75 in.
Projection0.0625 in.
Warranty1 year limited
Manufacturer Part NumberU 9492
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9552
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9552

    $31.49
    Was $34.99Save $3.50
  2. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9553
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9553

    $26.99
    Was $29.99Save $3.00
  3. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9554
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9554

    $22.49
    Was $24.99Save $2.50
  4. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9588
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/4in. Thick Doors, Stainless Steel Finish (Single pk.), U 9588

    $19.99
  5. Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcement Plate for 1-3/8in. Thick Doors, Stainless Steel Finish (Single pk.), U 9589

    $19.99
  6. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Brass Finish (Single Pack), U 9569
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Brass Finish (Single Pack), U 9569

    $35.99
    Was $39.99Save $4.00
  7. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9537

    $35.99
    Was $39.99Save $4.00
  8. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Antique Brass Finish (Single Pack), U 9572
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Antique Brass Finish (Single Pack), U 9572

    $22.49
    Was $24.99Save $2.50
  9. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9559
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Brass Finish (Single Pack), U 9559

    $22.49
    Was $24.99Save $2.50
  10. Prime-Line Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel (Single Pack), U 10546
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel (Single Pack), U 10546

    $22.49
    Was $24.99Save $2.50
  11. Prime-Line Stainless Steel Lock & Door Reinforcer, 1-3/4 x 4-1/2 In., 2-1/8 In. Single Bore, 2-3/4 In. Backset, (Single), U 9592
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Lock & Door Reinforcer, 1-3/4 x 4-1/2 In., 2-1/8 In. Single Bore, 2-3/4 In. Backset, (Single), U 9592

    $26.99
    Was $29.99Save $3.00
  12. Prime-Line Black Plastic Sliding Screen Door Handle
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Black Plastic Sliding Screen Door Handle

    $10.99

Items You May Like

  1. Prime-Line 1/2 in. Thick Door Sliding Screen Door Handle, for Columbia Series Doors, A 218
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/2 in. Thick Door Sliding Screen Door Handle, for Columbia Series Doors, A 218

    $12.99
  2. Prime-Line Door Hole Cover Plate, 2-5/8 in. Diameter, Brass Plated, U 9516
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Door Hole Cover Plate, 2-5/8 in. Diameter, Brass Plated, U 9516

    $7.99
  3. Prime-Line White Sliding Screen Door Handle, Fits Superior
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line White Sliding Screen Door Handle, Fits Superior

    $9.99
  4. Top Rated
    Prime-Line Diecast Sliding Door Handle Set, White (1 Set)
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line Diecast Sliding Door Handle Set, White (1 Set)

    $31.49
    Was $34.99Save $3.50
  5. Prime-Line 3-1/2 in. Replacement Spindle, 10 pk., E 2434
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3-1/2 in. Replacement Spindle, 10 pk., E 2434

    $14.99
  6. Prime-Line 3/8 in. White Tee Handle Casement Operator, 2 pk., H 3715
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3/8 in. White Tee Handle Casement Operator, 2 pk., H 3715

    $10.99
  7. Prime-Line 1/8 in. x 25 ft., Gray Spline Roll, P 7630
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/8 in. x 25 ft., Gray Spline Roll, P 7630

    $6.99
  8. Prime-Line 1/8 in. x 250 ft., Gray Spline Roll Roll, P 7649
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 1/8 in. x 250 ft., Gray Spline Roll Roll, P 7649

    $15.29
    Was $16.99Save $1.70
  9. Prime-Line Sliding Glass Door Handle Set, 3-1/2 in.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Sliding Glass Door Handle Set, 3-1/2 in.

    $22.49
    Was $24.99Save $2.50
  10. Prime-Line Diecast Bronze Finish Drop Down Door Holder, U 9152
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Diecast Bronze Finish Drop Down Door Holder, U 9152

    $9.89
    Was $10.99Save $1.10
  11. Prime-Line 2-1/4 in. Diameter Chrome Plated Rosettes, 2 pk., E 2439
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 2-1/4 in. Diameter Chrome Plated Rosettes, 2 pk., E 2439

    $7.99
  12. Prime-Line 3-1/2 in. Antique Brass Plated Back Plate, U 9498
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line 3-1/2 in. Antique Brass Plated Back Plate, U 9498

    $8.99

Customers Also Bought

  1. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10750
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10750

    $40.49
    Was $44.99Save $4.50
  2. Grip Tight Tools Stainless Steel Entry Door Knob Combo Lock Set with Double Cylinder Deadbolt and 36 SC1 Keys
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Stainless Steel Entry Door Knob Combo Lock Set with Double Cylinder Deadbolt and 36 SC1 Keys

    $161.99
    Was $179.99Save $18.00
  3. Prime-Line Bi-Fold Door Hardware Repair Kit with Bottom Bracket, Top & Bottom Pivots & 2 Door Surface Aligners, N 7530
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Bi-Fold Door Hardware Repair Kit with Bottom Bracket, Top & Bottom Pivots & 2 Door Surface Aligners, N 7530

    $10.99
  4. Prime-Line Stone Sliding Screen Door Pull, Fits Andersen Doors, A 209
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stone Sliding Screen Door Pull, Fits Andersen Doors, A 209

    $18.99
  5. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10745
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Bronze Finish (Single Pack), U 10745

    $22.49
    Was $24.99Save $2.50
  6. Prime-Line Stainless Steel Single Bore Hole Lock and Door Reinforcement Plate for 1-3/4 in. Thick Doors, Single Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Stainless Steel Single Bore Hole Lock and Door Reinforcement Plate for 1-3/4 in. Thick Doors, Single Pack

    $10.79
    Was $11.99Save $1.20
  7. Prime-Line Bi-Fold Door Knob, 1-11/16 in. Outside Diameter, Diecast, Satin Nickel Plated, 2 pk., MP7372
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Bi-Fold Door Knob, 1-11/16 in. Outside Diameter, Diecast, Satin Nickel Plated, 2 pk., MP7372

    $14.99
  8. Top Rated
    Prime-Line 4-3/16 in., Black Plastic, Sliding Screen Door Handle, Fits Bay Mills Doors, A 215
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Prime-Line 4-3/16 in., Black Plastic, Sliding Screen Door Handle, Fits Bay Mills Doors, A 215

    $15.29
    Was $16.99Save $1.70
  9. Grip Tight Tools Stainless Steel Entry Lock Set Door Knob & Deadbolt with 72 SC1 Keys, 12 pk., Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Stainless Steel Entry Lock Set Door Knob & Deadbolt with 72 SC1 Keys, 12 pk., Keyed Alike

    $301.49
    Was $334.99Save $33.50
  10. Grip Tight Tools Stainless Steel Entry Door Knob Combo Lock Set with Deadbolt and 6 SC1 Keys- Boxed Keyed Alike
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Grip Tight Tools Stainless Steel Entry Door Knob Combo Lock Set with Deadbolt and 6 SC1 Keys- Boxed Keyed Alike

    $25.19
    Was $27.99Save $2.80
  11. Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 in. Thick Doors, Bronze Finish (Single Pack), U 10744
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Brass Lock and Door Reinforcement Plate for 1-3/8 in. Thick Doors, Bronze Finish (Single Pack), U 10744

    $22.49
    Was $24.99Save $2.50
  12. Prime-Line Privacy Door Viewer Cover, 9/16 in. Inside Diameter Ring Fits Door Viewer, S 4793
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Prime-Line Privacy Door Viewer Cover, 9/16 in. Inside Diameter Ring Fits Door Viewer, S 4793

    $9.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.