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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

    In stock

    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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    Original price $440.59 - Original price $497.59
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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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    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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    3pcs Hold Open Door Hinges | Mechanical | 4.5x4.5 | 7ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-450-C3

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    Waterson hold-open door hinges provide a controlled 90° hold-open point and a self-closing mechanism for everyday commercial traffic.  The hold-ope...

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  • Original price $573.80 - Original price $649.80
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    4pcs Hydraulic Hinges Heavy Duty | Hold Open | 4.5x4.5 | 8ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-450-D4

    In stock

    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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    Original price $573.80 - Original price $649.80
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    3pcs Self Closing Fire Door Hinges | Mechanical | 4.5x4.5 | 7ft | 260 lbs | 1 ¾” Thick | SS304 | 7ft | K51M-450-A3

    In stock

    Waterson self closing fire door hinges in a 4.5"×4.5" full-mortise format provide adjustable spring tension to meet NFPA 80 self-closing requiremen...

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    Original price $399.59 - Original price $456.59
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  • Original price $573.80 - Original price $649.80
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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

    In stock

    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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  • Original price $532.80 - Original price $608.80
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    4pcs Adjustable Self Closing Door inges | Mechanical | Fire Rated | 4.5x4.5 | 8ft | 330 lbs | 1 ¾” Thick | SS304 | K51M-450-A4

    In stock

    Adjustable self closing door hinges in a 4.5"×4.5" full-mortise format provide controlled spring tension for doors up to 330 lbs, allowing precise ...

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    2pcs Adjustable Gate Closer Hinges | Mechanical | 4.5x4.5 | 6ft | 150 lbs | 1 ¾” Thick | SS304 | K51M-450-A2

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    Attention: Special finishes (US4) is non-refundable DESCRIPTION DETAILS SPECIFICATIONS VIDEO Applications Court Rooms Half Door Cafe Door Hea...

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    Original price $266.40 - Original price $304.40
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  • Original price $532.80 - Original price $608.80
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    4pcs Commercial Spring Hinges Heavy Duty | Mechanical | Hold Open | 4.5x4.5 | 8ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-450-C4

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    Waterson Commercial Spring Hinges Heavy Duty use an adjustable mechanical spring to control large commercial doors up to 260 lbs with consistent se...

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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

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    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 Double Spring Hinge Self Closing | Fire Rated | 4x4 | Single Hinge | SS304 | K51M-400-DS

    In stock

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

    Original price $163.20 - Original price $182.20
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    1pc Latch Speed Door Closer Self Closing | Fire Rated | 4.5x4.5 | Single Hinge | SS304 | K51M-450-SA1

    In stock

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

    Original price $163.20 - Original price $182.20
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    1pc Adjustable Spring Door Hinge Self Closing | Fire Rated | 4.5x4.5 | Single Hinge | SS304 | K51M-450-SA

    In stock

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

    Original price $163.20 - Original price $182.20
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  • 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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  • Original price $163.20 - Original price $182.20
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    1pc Self Closing Hinge to Hold Door Open | Heavy Duty | 4.5x4.5 | Single Hinge | SS304 | K51M-450-SB

    In stock

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

    Original price $163.20 - Original price $182.20
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    1pc Double Spring Hinge Self Closing | Fire Rated | 4.5x4.5 | Single Hinge | SS304 | K51M-450-DS

    In stock

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

    Original price $163.20 - Original price $182.20
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    Current price $163.20
  • Original price $649.80 - Original price $877.80
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    4pcs Antique Gold Hinges | Hydraulic | Fire Rated | 8ft | 330 lbs | 1 ¾” Thick | SS304 & 316 | K51M-B4-US4

    In stock

    Improve swing control on heavy entry doors with antique gold hinges built for consistent self-closing action.  These antique gold door hinges use s...

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    Original price $649.80 - Original price $877.80
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  • Original price $497.59 - Original price $668.59
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    3pcs Brushed Gold Door Hinges | Hydraulic | Fire Rated | 7ft | 260 lbs | 2-¼” Thick | SS304 | K51M-B3-US4

    In stock

    Looking for controlled movement on premium interior doors? Use brushed gold door hinges with a hydraulic door hinge mechanism to regulate closing s...

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    Original price $497.59 - Original price $668.59
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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