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Non Removable Pin Hinges

On outward-swinging exterior doors, the hinge pin is the first weakness. If it can be knocked out, the entire entry is compromised—no matter how strong the lock. This is why professionals ask: what exactly is a non removable pin hinge, and why does it matter?

Waterson non removable pin hinges (NRP hinges) provide that answer. Built from stainless steel and tested for 1,000,000+ cycles under ANSI/BHMA A156.17, they secure the pin inside the barrel, prevent tampering, and carry loads of 260–440 lbs depending on configuration.

Security starts at a hinge.

  • Original price $440.59 - Original price $497.59
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    3pcs Soft Closing Hinges | Hydraulic | Fire Rated | 4.5x4.5 | 7ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-450-B3

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    Fire Rated Soft Closing Hinges are tested to UL standards for 3-hour assemblies and maintain regulated closing behavior through a spring-hydraulic ...

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    3pcs Screen Door Hinges Spring | Hydraulic | Hold Open | 4.5x4.5 | 7ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-450-D3

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    Waterson screen door hinges spring combine an adjustable mechanical spring with hydraulic slow-close control to manage large interior or screen doo...

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    3pcs Stall Door Hinges Heavy Duty | Hydraulic | Hold Open | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-D3

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    For self closing bathroom stall hinges used in hotels, offices, and high-rise interiors, you need hinges that handle 7ft doors while still meeting ...

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    2pcs Hydraulic Door Hinge | 4.5x4.5 | 6ft | 150 lbs | 1 ¾” Thick | SS304 | K51M-450-B2

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    Hydraulic door hinge design combines spring tension and hydraulic speed control on a 4.5"×4.5" full-mortise template for interior doors up to 150 l...

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    Original price $307.40 - Original price $345.40
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    3pcs Soft Closing Door Hinges | Hydraulic | Fire Rated | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-B3

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    Commercial bathroom stall hinges need to close consistently, meet ADA timing, and stay stable under high daily traffic. Waterson soft close door h...

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    4pcs Hydraulic Hinges Heavy Duty | Hold Open | 4.5x4.5 | 8ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-450-D4

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    Hydraulic door hinges use a dual mechanism—spring tension for controlled self closing and hydraulic damping for soft closing—to handle large commer...

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    4pcs Bathroom Door Closer | Hydraulic | Hold Open | 4x4 | 8ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-D4

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    Waterson hydraulic hinge heavy duty design provides adjustable power, smooth fluid motion, and a built-in hold-open function for high-traffic bathr...

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    2pcs Heavy Duty Cafe Door Hinges | Hydraulic | 4x4 | 6ft | 150 lbs | 1 ¾” Thick | SS304 | K51M-400-Residential-B2

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    Heavy duty cafe door hinges built on a hydraulic system allow precise tension and closing speed control for 150-lb commercial or residential cafe d...

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    4pcs Soft Close Door Hinges Heavy Duty | Hydraulic | Hold Open | 5x5 | 8ft | 260 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-D4

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    For interior commercial openings with large or 8-ft tall doors, these soft close hinges provide controlled closing without relying on an overhead c...

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    4pcs Soft Close Hinges for Doors | Hydraulic | Fire Rated | 4.5x4.5 | 8ft | 330 lbs | 1 ¾” Thick | SS304 | K51M-450-B4

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    Waterson soft close hinges for doors combine self-closing with hydraulic system to keep 8ft, fire-rated doors moving within NFPA 80 clearance and c...

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    4pcs Soft Closing Fire Door Hinges | Hydraulic | Fire Rated | 5x5 | 8ft | 330 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-B4

    In stock

    Waterson soft closing fire door hinges give you a reliable way to bring 3-hour fire doors back to latch with controlled speed and consistent motion...

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    3pcs Hydraulic Hinges Heavy Duty | Hold Open | 5x5 | 7ft | 260 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-D3

    In stock

    For projects where overhead closers aren’t feasible, this hydraulic hinge door closer gives you controlled closing through an adjustable spring sys...

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    4pcs Anti Slam Door Hinges | Hydraulic | Fire Rated | 4x4 | 8ft | 330 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-B4

    In stock

    If you need anti slam door hinges that control speed, eliminate hard impact, and stay compliant under daily commercial use, this hydraulic hinges f...

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    Original price $573.80 - Original price $649.80
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  • Original price $497.59 - Original price $554.59
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    3pcs Hydraulic Soft Closing Door Hinges | Fire Rated | 5x5 | 7ft | 260 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-B3

    In stock

    Waterson soft closing hinges for fire doors integrate mechanical closing force with hydraulic damping to meet NFPA-80 and ANSI 156.7 requirements o...

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  • Original price $204.20 - Original price $223.20
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    1pc Adjustable Soft Close Hinges | Heavy Duty | 4.5x4.5 | Single Hinge | SS304 | K51M-450-HA

    In stock

    Attention: This is a one hinge set. For the best recommendation, please: TALK TO SALES FIRST - NON REFUNDABLE

    Original price $204.20 - Original price $223.20
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    3pcs Fire Rated Soft Closing Garage Door Hinges | 7ft | SS304 | K51M-B3

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    Need a fire door hinge that keeps heavy exit doors compliant and controlled?  Select Waterson Fire Rated Soft Closing Garage Door Hinges to support...

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    3pcs Hydraulic 4" Door Hinge 5/8" Radius Corner | Fire Rated | 7ft | SS304 | K51M-400-B3-58R

    In stock

    TALK TO SALES FIRST - NON REFUNDABLE DESCRIPTION DETAILS SPECIFICATIONS VIDEO Applications Hotel Rooms  Interior Use Only  Arch Top  Heavy Dut...

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    1pc Hydraulic Door Closer Heavy Duty | Soft Closing | 5x5 | Single Hinge | SS304 | K51M-500D-HS

    In stock

    Attention: This is a one hinge set. For the best recommendation, please: TALK TO SALES FIRST - NON REFUNDABLE

    Original price $223.20 - Original price $242.20
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    1pc Adjustable Soft Close Hinges | Heavy Duty | 5x5 | Single Hinge | SS304 | K51M-500D-HA

    In stock

    Attention: This is a one hinge set. For the best recommendation, please: TALK TO SALES FIRST - NON REFUNDABLE

    Original price $223.20 - Original price $242.20
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    1pc Hydraulic Door Closer | Soft Closing | 4x4 | Single Hinge | SS304 | K51M-400-HS

    In stock

    Attention: This is a one hinge set. For the best recommendation, please: TALK TO SALES FIRST - NON REFUNDABLE

    Original price $204.20 - Original price $223.20
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    1pc Adjustable Soft Close Hinges | 4x4 | Single Hinge | SS304 | K51M-400-HA

    In stock

    Attention: This is a one hinge set. For the best recommendation, please: TALK TO SALES FIRST - NON REFUNDABLE

    Original price $204.20 - Original price $223.20
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    1pc Hydraulic Door Closer Heavy Duty | Soft Closing | 4.5x4.5 | Single Hinge | SS304 | K51M-450-HS

    In stock

    Attention: This is a one hinge set. For the best recommendation, please: TALK TO SALES FIRST - NON REFUNDABLE

    Original price $204.20 - Original price $223.20
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    Current price $204.20
  • Original price $307.40 - Original price $307.40
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    2pcs Hydraulic 5/8 Radius Door Hinge | Fire Rated | 6ft | SS304 | K51M-400-B2-58R

    In stock

    TALK TO SALES FIRST - NON REFUNDABLE DESCRIPTION DETAILS SPECIFICATIONS VIDEO Applications Hotel Rooms  Interior Use Only  Arch Top  Heavy Dut...

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    Original price $307.40 - Original price $307.40
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    3pcs Hydraulic 4 Inch Spring Hinge 5/8 Radius | Hold Open | 7ft | SS304 | K51M-400-D3-58R

    In stock

    TALK TO SALES FIRST - NON REFUNDABLE DESCRIPTION DETAILS SPECIFICATIONS VIDEO Applications Office, Hotel Rooms, and Highrise Building Interior...

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    Original price $440.59 - Original price $440.59
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What Is a Non Removable Pin Hinge?

A hinge non removable pin integrates a set screw or security tab into the barrel. This locks the pin in place so it cannot be forced out, yet the hinge continues to function like a standard model. The result: smooth operation with built-in tamper resistance.

Why Non Removable Pin Hinges Are Necessary

Most failures aren’t dramatic—they start small: squeaky hinges, uneven swing, screws pulling loose. These issues stem from thin metals, poor load distribution, or design tolerances that can’t handle heavy use. Over time, they turn into cracks, frame damage, or in the worst case, a security breach.

That’s why NRP hinges are critical for:

  • Security: intruders can’t lift the door by removing pins.
  • Durability: stainless steel prevents corrosion in coastal or industrial sites.
  • Compliance: exterior and fire-rated doors often require NRP hinges to meet code.

Do All Door Hinges Have Removable Pins?

No. Residential hinges typically do, because easy pin removal simplifies door adjustments. But for commercial, healthcare, and public-access projects, this convenience creates unacceptable risk. That’s why specs call for non removable pin door hinges—they keep the integrity of the opening intact.

Waterson NRP Hinges: Performance That Holds

Waterson stainless steel NRP hinges are designed with foresight to reduce both risks and maintenance:

  • Stainless Steel: 304 & 316 grades withstand coastal air, humidity, and high-cycle use.
  • Load Capacity: 3 hinges support 260+ lbs; 4 hinges up to 440 lbs.
  • Corrosion Resistance: Surpasses ASTM B117 with 200+ hours in 5% salt spray.
  • Fire-Rated: Certified to ANSI/BHMA A156.17 for 3-hour UL compliance.
  • Adjustability: Three-point tension and buffer control for precise closing speed.
  • Anti-Slamming: Protects frames and screws from impact damage.
  • Dimensions: Fits 1 ¾″ thick, 3′–9″ wide, 8′ tall doors.
  • Finishes: PVD options—satin, black, brass, bronze—engineered for architectural intent.

This combination prevents the familiar problems of squeaking, loosening, and premature failure—delivering durability that seasoned contractors expect.

Waterson Self Closing Non Removable Pin Hinge Applications

  • Commercial entry non removable pin hinges
  • Residential entry non removable pin hinges
  • Healthcare facility non removable pin hinges
  • School non removable pin hinges
  • Residential exterior non removable pin hinges
  • Fire-rated door non removable pin hinges
  • Black non removable pin hinges
  • Silver non removable pin hinges
  • Gold non removable pin hinges
  • Bronze non removable pin hinges