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Buying in Bulk Call 631-561-5006 For Wholesale Pricing
Buying in Bulk Call 631-561-5006 For Wholesale Pricing

Atrium Lock Sets & Replacement Parts

Countryside Locks offers Atrium lock sets, replacement parts, and sliding door hardware designed to restore security and functionality to patio and sliding door systems. Our collection includes locksmith-trusted Atrium lock replacements for residential and commercial applications.

Whether you need a replacement Atrium lock, sliding door hardware, or replacement components for worn or damaged parts, we make it easier to find dependable solutions at competitive prices.
  • Original price $189.99 - Original price $189.99
    Original price $189.99
    $189.99
    $189.99 - $189.99
    Current price $189.99
    10.0lb | $189.99 / 10lb

    Atrium Door Lock Replacement Exact Replacement For Atrium Doors

    Atrium
    In stock

     One Day Sale Heavy duty mortise lock-set made for a wood hinged Atrium patio door. Fits doors from 1-3/8" to 1-7/8" thick. Forged solid brass with...

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    Original price $189.99 - Original price $189.99
    Original price $189.99
    $189.99
    $189.99 - $189.99
    Current price $189.99
    10.0lb | $189.99 / 10lb
  • Original price $159.99
    Original price $159.99 - Original price $159.99
    Original price $159.99
    Current price $129.99
    $129.99 - $129.99
    Current price $129.99

    Atrium Door Parts - Mortise Lock body Atrium Door Hardware

    Atrium
    In stock

    Call For Wholesale Pricing For Ten or More Replaces Atrium Brand mortise lock hardware:  Exact Original for Hinged Door with single point lock.Back...

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    Original price $159.99
    Original price $159.99 - Original price $159.99
    Original price $159.99
    Current price $129.99
    $129.99 - $129.99
    Current price $129.99
    Sale Sale
  • Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99

    Atrium Lock Single Cylinder Profile With Three Keys 2-1/2" Long Finishes Brass

    Atrium
    In stock

    Euro profile cylinder w/ thumb turn, single cylinder  for 1-3/4" thick doors, Finishes: Polished Brass, Three SC1 Keys

    Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99
  • Original price $59.99
    Original price $59.99 - Original price $59.99
    Original price $59.99
    Current price $29.99
    $29.99 - $29.99
    Current price $29.99

    Atrium Lock Single Cylinder Profile With Three Keys 2-1/2" Long Finishes Chrome

    Atrium
    In stock

    Euro profile cylinder w/ thumb turn, single cylinder  for 1-3/4" thick doors, Finishes: Polished  Satin Nickel, Chrome Three Keys

    Original price $59.99
    Original price $59.99 - Original price $59.99
    Original price $59.99
    Current price $29.99
    $29.99 - $29.99
    Current price $29.99
    Sale Sale
  • Original price $99.99
    Original price $89.99 - Original price $99.99
    Original price $99.99
    Current price $89.99
    $89.99 - $89.99
    Current price $89.99

    Atrium Door Mortise Lock Trim Set

    Atrium
    In stock

    Trim ONLY for old Atrium Door & Window lock hardware: Trim Only - 4 -1/2 Inch Solid Brass Levers. Single cylinder lock uses re-keyable Schlage ...

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    Original price $99.99
    Original price $89.99 - Original price $99.99
    Original price $99.99
    Current price $89.99
    $89.99 - $89.99
    Current price $89.99
    Sale Sale
  • Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99

    Atrium Lock Single Cylinder Profile With Three Keys 2-1/2" Long Finishes Oil Rubbed Bronze SC1

    Atrium
    In stock

    Euro profile cylinder w/ thumb turn, single cylinder  for 1-3/4" thick doors, Finishes: Oil Rubbed Bronze Three SC1 Keys

    Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99
  • Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99

    Atrium Door Hinge 3.5 X 3.5 Inch, 1/4 Radius Corners, Residential, Steel Each Pair

    Atrium
    In stock

    Replaces Atrium Brand door hinge;Size: 3.5 x 3.5Material: steel baseHinge Type: Plain BearingColor/ Finish: Polished Brass finishCorner: 1/4 radius...

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    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
  • Original price $9.99
    Original price $9.99 - Original price $9.99
    Original price $9.99
    Current price $4.95
    $4.95 - $4.95
    Current price $4.95
    8.0oz | $4.95 / 8oz

    Atrium Door Lock: Nylon Handle Bushings

    Atrium
    In stock

    Atrium Door Handle Bushing (Replacement for Old Style Bushing)

    Original price $9.99
    Original price $9.99 - Original price $9.99
    Original price $9.99
    Current price $4.95
    $4.95 - $4.95
    Current price $4.95
    8.0oz | $4.95 / 8oz
    Sale Sale
  • Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
    2.0lb | $29.99 / 2lb

    Atrium Levers Solid Brass Atrium Lock lever Set

    Atrium
    In stock

    Atrium Mortise Levers Only. Replaces Atrium Brand Hinged Patio Glass Door Hardware

    Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
    2.0lb | $29.99 / 2lb
  • Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99

    Atrium Lock Single Cylinder Profile With Three Keys 2-1/2" Long Finishes Satin Nickel SC1

    Atrium
    In stock

    Euro profile cylinder w/ thumb turn, single cylinder  for 1-3/4" thick doors, Finishes: Satin Nickel Three SC1 Keys

    Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99
  • Original price $8.99 - Original price $8.99
    Original price
    $8.99
    $8.99 - $8.99
    Current price $8.99
    10.0oz | $8.99 / 10oz

    Atrium Stud Post With Screws, Set Of 3

    Atrium
    In stock

    Atrium Stud Post with Screws to connect inside and outside escutcheon platesColor: Polished Brass or Polished ChromeStud post length: 1-5/8"For use...

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    Original price $8.99 - Original price $8.99
    Original price
    $8.99
    $8.99 - $8.99
    Current price $8.99
    10.0oz | $8.99 / 10oz
  • Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99
    6.0oz | $4.99 / 6oz

    Atrium Lock Lever Spindle

    Atrium
    In stock

    Atrium Lock Lever Spindle Length: 3.15" / 0.31"

    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99
    6.0oz | $4.99 / 6oz
  • Original price $59.99 - Original price $59.99
    Original price
    $59.99
    $59.99 - $59.99
    Current price $59.99

    Euro Single Profile Full Cylinder With Three Keys 4" Long Finishes Brass SC1

    Countryside Locks
    In stock

    CS Lock Euro Profile Full Cylinder with 90° Turn Key with C-Knob 50MM / 50MM 4" Long  Colors: Black  Keyway: Schlage SC1 5 PiN

    Original price $59.99 - Original price $59.99
    Original price
    $59.99
    $59.99 - $59.99
    Current price $59.99
  • Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
    2.0lb | $29.99 / 2lb

    Atrium Plates And Strike In Polished Brass

    Atrium
    In stock

    Atrium lock TRIM PLATES in polished brass. Thru-bolts not included. Levers, lock, cylinder NOT included.Discontinued and limited to existing invent...

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    Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
    2.0lb | $29.99 / 2lb

Atrium Lock Sets & Replacement Hardware

Atrium lock sets are commonly used on sliding glass doors, patio doors, storm doors, and screen door systems. Over time, door hardware can wear down from regular use, weather exposure, or aging components, making replacement parts necessary to maintain both security and smooth operation.

Countryside Locks carries Atrium lock sets and replacement parts designed to help homeowners, contractors, and property managers restore older door systems without replacing the entire door assembly.

Replacement Parts for Atrium Sliding & Patio Doors

Finding the correct Atrium lock replacement can be difficult, especially for older sliding doors or discontinued hardware styles. Our collection includes replacement components designed to help restore functionality while improving security.

Products in this collection may include:

  • Atrium sliding door lock replacements
  • Patio door handles and hardware
  • Replacement mortise locks
  • Screen door hardware
  • Storm door lock components
  • Replacement springs, hinges, and closers

Many replacement parts can be installed using basic tools, making it easier to repair worn hardware without replacing the entire door.

Why Replace Atrium Lock Hardware?

Sliding and patio door hardware experiences constant daily use, which can eventually lead to worn or damaged components. Common signs that it may be time to replace your Atrium lock set or hardware include:

  • The door no longer locks securely
  • The handle feels loose or unstable
  • The latch no longer aligns correctly
  • The lock mechanism sticks or jams
  • Visible rust, corrosion, or worn finishes
  • Broken springs or damaged hinges

Replacing worn door hardware can help improve security while extending the life of your existing sliding or storm door system.

Why Buy Atrium Lock Parts from Countryside Locks?

Countryside Locks is operated by professional locksmiths with real-world experience working with residential and commercial door hardware. We carefully select replacement hardware and lock components that we trust in our own locksmith work.

Customers choose Countryside Locks because we provide:

  • Professional-grade replacement hardware
  • Trusted Atrium lock replacement parts
  • Competitive online pricing
  • Locksmith-backed product recommendations
  • Replacement solutions for older door systems

Our goal is to help customers quickly identify the correct Atrium lock replacement parts while providing dependable hardware designed for long-term use.

Shop Atrium Lock Sets Online

Browse our selection of Atrium lock sets, sliding door hardware, and replacement parts designed to restore security and functionality to your doors. If you need help identifying the correct replacement component, please contact us and our team will be happy to assist.

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