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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.

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Fire Rated Soft Closing Hinges
$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59

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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$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59
screen door hinges spring
$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59

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

in stock

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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$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59
mechanical self closing door closer
$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59

3pcs Mechanical Self Closing Door Closer | Fire Rated | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-A3

in stock

If you’re working with a residential or commercial opening, and can’t use an overhead closer, this mechanical self-closing door closer lets you pul...

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$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59
self closing bathroom stall hinges
$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59

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

in stock

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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$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59
stall door hinges heavy duty
$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59

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

in stock

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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$440.59 - $497.59
$440.59 - $497.59
$440.59 - $497.59
$440.59
K51M-450-B2 | Hydraulic Hybrid Self Closing Hinge | 4.5” x 4.5” | Heavy Duty Stainless Steel | 2 Pack - Waterson Multi-function Closer Hinge
$307.40 - $345.40
$307.40 - $345.40
$307.40 - $345.40
$307.40

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

in stock

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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$307.40 - $345.40
$307.40 - $345.40
$307.40 - $345.40
$307.40
Hydraulic Hinges Heavy Duty
$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80

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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$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80
K51M-500D-C4 | Heavy Duty Mechanical Self Closing Hinge with Hold Open | 5” x 5” | 8ft | 304 Stainless Steel | 4 Pack - Waterson Multi-function Closer Hinge
$608.80 - $684.80
$608.80 - $684.80
$608.80 - $684.80
$608.80

4pcs Exterior Door Self Closing Hinges | Mechanical | Hold Open | 5x5 | 8ft | 260 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-C4

in stock

If your exterior doors need a self-closing hinge that can manage 8-ft panels, heavy loads, and constant outdoor exposure, these hinges provide an a...

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$608.80 - $684.80
$608.80 - $684.80
$608.80 - $684.80
$608.80
hold open door hinges
$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59

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

in stock

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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$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59
commercial self closing door hinges
$456.59 - $513.59
$456.59 - $513.59
$456.59 - $513.59
$456.59

3pcs Commercial Self Closing Door Hinges | Mechanical | Fire Rated | 5x5 | 7ft | 260 lbs | 1 ¾ to 2 ¼” Thick | SS304 | K51M-500D-A3

in stock

Waterson commercial self-closing door hinges are built around an adjustable spring module that manages weight, swing force, and closing speed. This...

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$456.59 - $513.59
$456.59 - $513.59
$456.59 - $513.59
$456.59
bathroom door closer
$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80

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

in stock

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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$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80
heavy duty cafe door hinges
$307.40 - $345.40
$307.40 - $345.40
$307.40 - $345.40
$307.40

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

in stock

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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$307.40 - $345.40
$307.40 - $345.40
$307.40 - $345.40
$307.40
fire rated mechanical hinges
$608.80 - $684.80
$608.80 - $684.80
$608.80 - $684.80
$608.80

4pcs Fire Rated Mechanical Hinges | 5x5 | 8ft | 330 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-A4

in stock

Fire rated mechanical hinges use a spring-driven self-closing mechanism to meet 3-hour fire door requirements while supporting doors up to 330 lbs....

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$608.80 - $684.80
$608.80 - $684.80
$608.80 - $684.80
$608.80
K51M-450-A3 | Mechanical Adjustable Gate Door Hinges | 4.5” x 4.5” | Fire-rated Stainless Steel | 3 Pack - Waterson Multi-function Closer Hinge
$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59

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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$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59
soft close door hinges heavy duty
$649.80 - $725.80
$649.80 - $725.80
$649.80 - $725.80
$649.80

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

in stock

For interior commercial openings with large or 8-ft tall doors, Waterson soft close door hinges heavy duty provide controlled closing without relyi...

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$649.80 - $725.80
$649.80 - $725.80
$649.80 - $725.80
$649.80
interior door hinges black
$266.40 - $304.40
$266.40 - $304.40
$266.40 - $304.40
$266.40

2pcs Interior Door Hinges Black | Mechanical | 4x4 | 6ft | 150 lbs | 1 ¾” Thick | SS304 | K51M-400-Residential-A2

in stock

Waterson interior door hinges black are built for residential doors up to 150 lbs, giving you adjustable spring tension, ADA-compliant closing forc...

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$266.40 - $304.40
$266.40 - $304.40
$266.40 - $304.40
$266.40
heavy duty self closing door hinges
$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59

3pcs Self Closing Door Hinges | Mechanical | Hold Open | 4x4 | 7ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-C3

in stock

Residential self-closing door hinges for 4" doors need to control swing speed, keep tension stable over time, and give installers a quick way to tu...

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$399.59 - $456.59
$399.59 - $456.59
$399.59 - $456.59
$399.59
soft close hinges for doors
$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80

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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$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80
Soft Closing Fire Door Hinges
$649.80 - $725.80
$649.80 - $725.80
$649.80 - $725.80
$649.80

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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$649.80 - $725.80
$649.80 - $725.80
$649.80 - $725.80
$649.80
self closing interior door hinges
$532.80 - $608.80
$532.80 - $608.80
$532.80 - $608.80
$532.80

4pcs Self Closing Interior Door Hinges | Mechanical | Fire Rated | 4x4 | 8ft | 330 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-A4

in stock

Looking for self closing interior door hinges that deliver controlled closing force and speed without overhead closers? By using a mechanical hinge...

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$532.80 - $608.80
$532.80 - $608.80
$532.80 - $608.80
$532.80
4 inch self closing door hinges
$532.80 - $608.80
$532.80 - $608.80
$532.80 - $608.80
$532.80

4pcs 4 Inch Self Closing Door Hinges | Mechanical | Hold Open | 8ft | 260 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-C4

in stock

On tall 7–8ft doors, 4 inch self closing door hinges have to manage the closing force, give you a dependable 90° hold-open, and stay easy to tune i...

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$532.80 - $608.80
$532.80 - $608.80
$532.80 - $608.80
$532.80
Hydraulic Hinges Heavy Duty
$497.59 - $554.59
$497.59 - $554.59
$497.59 - $554.59
$497.59

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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$497.59 - $554.59
$497.59 - $554.59
$497.59 - $554.59
$497.59
heavy duty garage door hinges
$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80

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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$573.80 - $649.80
$573.80 - $649.80
$573.80 - $649.80
$573.80
adjustable spring hinge heavy duty
$456.59 - $513.59
$456.59 - $513.59
$456.59 - $513.59
$456.59

3pcs Adjustable Spring Hinge Heavy Duty | Mechanical | Hold Open | 5x5 | 7ft | 260 lbs | 1 ¾” to 2 ¼” Thick | SS304 | K51M-500D-C3

in stock

Waterson adjustable spring hinges provide controlled self-closing and a reliable hold-open position for large commercial doors up to 260 lbs.  With...

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$456.59 - $513.59
$456.59 - $513.59
$456.59 - $513.59
$456.59

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