Hager IHTAB850 Full Mortise Co...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$254.94
$160.80
Hager Hager IHTAB850 Full Mortise Concealed Anti-Friction Bearing Hinge, Heavy Weight, 5" x 4.5", 3 Knuckle HAG-IHTAB850-5x4-1/2-US32D

Hager IHTAB850 Full Mortise Concealed Anti-Friction Bearing Hinge Heavy Duty 5" x 4.5" 3 Knuckle

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Model: HAG-IHTAB850-4-1/2x 4-1/2-US32D
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Hager IHTAB850 Full Mortise Concealed Anti-Friction Bearing Hinge Heavy Duty 5" x 4.5" 3 Knuckle

Professional Heavy-Duty Detention Hinge Solution

The Hager IHTAB850 is a full mortise concealed anti-friction bearing hinge engineered for heavy weight doors ranging from 200-300 lbs. This detention-grade hinge features 5" x 4.5" dimensions with 3 knuckle construction and stainless steel material with stainless steel pin for maximum durability. Manufactured in accordance with ANSI/BHMA A156.1 standards, this hinge delivers professional-grade performance for demanding commercial applications requiring anti-ligature safety features.

Professional Features & Benefits

  • Heavy-Duty Load Capacity: Designed for heavy weight doors ranging from 200-300 lbs for demanding institutional applications.
  • Concealed Anti-Friction Bearings: Maintenance-free bearing system provides smooth, long-lasting operation with reduced wear and noise.
  • Anti-Ligature Safety Design: Welded hospital tips and plug construction eliminates potential ligature points for secure detention environments.
  • Reinforced Construction: Welded knuckles and stainless steel material with stainless steel pin provide exceptional durability and corrosion resistance.
  • Full Mortise Installation: Both leaves mortised for clean, professional appearance with secure mounting in door and frame.
  • Electric Modification Options: Available with electric monitor (EMN), electric through wire (ETW), or electric through wire and monitor (ETM) configurations.
  • Security Hardware Options: Optional security torx screws, reverse safety stud (RSS), and safety stud (SS) for enhanced tamper resistance.
  • ANSI Compliance: Manufactured in accordance with ANSI/BHMA A156.1 standards for reliable commercial performance.
  • Concealed maintenance free bearings. Welded hospital tips and plug. Welded knuckles;

Technical Specifications

  • ANSI/BHMA: ANSI A8111
  • Applications: For use on heavy weight doors ranging from 200-300 lbs.;
  • Commercial/Residential: Commercial
  • Duty Level: Heavy Duty
  • Electric Modifications: Electric monitor (EMN), Electric through wire (ETW), Electric through wire and monitor (ETM);
  • Features: Concealed maintenance free bearings. Welded hospital tips and plug. Welded knuckles.
  • Finishes: US32D;
  • Knuckles: 3
  • Material: Stainless Steel with Stainless Steel pin;
  • Notes: Concealed, maintenance-free bearing;
  • Options: Security torx screws;
  • Subcategory: Full Mortise Detention Hinges

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Detention and Correctional Facilities
  • Healthcare and Mental Health Institutions
  • Secure Government Buildings
  • Educational Facilities with Security Requirements
  • Commercial Buildings with Heavy Doors
  • Industrial Facilities
  • Multi-Tenant Residential Properties

Why Choose Hager Quality?

Hager hinges deliver professional-grade reliability with stainless steel construction and concealed maintenance-free bearings designed for heavy-duty commercial applications. Manufactured in accordance with ANSI/BHMA A156.1 standards with welded anti-ligature features for secure institutional environments. Engineered for demanding commercial applications where dependable performance and safety are essential.

Product Specs

Subcategory:
Full Mortise Detention Hinges
Knuckles:
3
Product Group:
Door Hinges and Pivots
Product Subgroup:
Full Mortise Hinges
Product Type:
Full Mortise Hinges
Features:
Concealed maintenance free bearings. Welded hospital tips and plug. Welded knuckles.
ANSI/BHMA:
ANSI A8111
Duty Level:
Heavy Duty
Commercial/Residential:
Commercial
Product Model:
IHTAB850
Product Function:
Concealed Bearing
Product Size:
5" x 4.5"
Product Category:
Door Hinges and Pivots
Product Substrate:
Stainless Steel
Department:
Door Hardware

Hager HAG-IHTAB850-4-1/2x 4-1/2-US32D – Frequently Asked Questions

1) How much door weight can the Hager IHTAB850 hinge carry?
The IHTAB850 is a heavy duty full mortise hinge rated for heavy weight doors in the 200 to 300 lb range. That is the territory of lead-lined doors, solid core hardwood, and detention doors, where a standard weight hinge will sag or wear the bearing out. If your door is under that weight, a medium or standard weight concealed bearing hinge covers it.
2) What sizes does the Hager IHTAB850 detention hinge come in?
Two sizes are offered, 4-1/2 x 4-1/2 inches and 5 x 4-1/2 inches, both in 630 satin stainless steel. The 5 inch leaf height is the one usually specified on heavier or wider institutional doors; the 4-1/2 inch matches the most common commercial hinge prep already cut into most frames.
3) Is the Hager IHTAB850 an anti-ligature hinge for a behavioral health or detention door?
Yes. The IHTAB850 is built as a full mortise detention hinge with welded hospital tips and a welded plug, plus welded knuckles, so there is no exposed pin head, no removable tip, and no gap or protrusion to tie off to. That is why it shows up on psychiatric units, holding cells, and secure government openings. The bearings are concealed and maintenance free, so there is nothing serviceable a resident could get at.
4) Does the Hager IHTAB850 hinge have a removable pin, and can it be serviced?
No removable pin. The knuckles are welded and the pin is plugged and welded with hospital tips, so the hinge does not come apart in the field and the door cannot be lifted off by driving a pin. Plan on hanging the door on the hinges rather than dropping it onto half-leaves. The bearings are concealed and maintenance free, so there is no lubrication schedule.
5) Can I get the IHTAB850 hinge with wires through it for an electric lock or door monitoring?
Three electric modifications are available on the IHTAB850: electric monitor only (EMN), electric through wire (ETW) for powering a lock or strike in the door, and electric through wire with monitor (ETM) combined. Specify the modification at time of order, it is not something added later. Hager publishes concealed electric hinge modification information and electric hinge installation instructions for the wiring and prep details.
6) What else could I use if I need a heavy weight concealed bearing hinge but not a detention hinge?
For a heavy weight opening without the anti-ligature requirement, the Dormakaba CB199 is a full mortise concealed bearing heavy weight hinge, and the McKinney TCA3386 is a heavy weight 4-1/2 x 4-1/2 square corner five knuckle hinge. BEST CB223 is a heavy duty concealed bearing hinge with pivot reinforcing for beveled edge doors. Go to the IHTAB850 when the opening actually needs welded tips and no removable pin.
7) What is the closest heavy weight concealed bearing full mortise hinge to the Hager IHTAB850 if detention features are not needed?
The Stanley Security CB199 is a full mortise concealed bearing heavy weight hinge, and the BEST CB223 is a stainless steel concealed bearing heavy weight hinge prepped for beveled edge doors. Both carry a heavy duty rating like the IHTAB850, and both use concealed bearings rather than exposed ball bearings. What they do not carry are the IHTAB850's anti-ligature features - welded hospital tips and plug and welded knuckles - so on a correctional or behavioral health opening the Hager remains the specified part.
8) Can a Don-Jo BB94545 stainless hinge replace a Hager IHTAB850 on a 200 to 300 lb door?
No. The Don-Jo BB94545 is a 4-1/2 inch by 4-1/2 inch stainless steel full mortise ball bearing hinge with square corners, rated standard duty. The IHTAB850 is a heavy duty hinge for doors in the 200 to 300 lb range, so the Don-Jo is not a load equivalent even though both are stainless and both mortise into door and frame. Use the Don-Jo on standard weight interior openings and keep the Hager where the door weight or the anti-ligature requirement drives the spec.
9) I need a concealed electric through-wire hinge - is the Hager IHTAB850 the only option?
No. The IHTAB850 can be ordered with electric monitor (EMN), electric through wire (ETW), or combined through wire and monitor (ETM) modifications on a heavy duty detention hinge. If the opening is a standard 4-1/2 inch by 4-1/2 inch commercial door, the ACSI 5BB1 is a 5 knuckle ball bearing full mortise hinge with concealed electric through-wire in a 4 wire 28 gauge configuration from the 1100 Series. The ACSI gives you the wire path only; the Hager adds monitoring options and the welded anti-ligature construction.
10) How does the McKinney TCA3386 compare to the Hager IHTAB850?
The McKinney TCA3386 is a square corner 5 knuckle full mortise hinge, 4-1/2 inch by 4-1/2 inch, heavy weight and rated heavy duty - so it matches the IHTAB850 on load class and on the 4-1/2 by 4-1/2 size the Hager also offers. The differences are knuckle count and construction: the IHTAB850 is a 3 knuckle hinge with welded knuckles, welded hospital tips and plug, and concealed maintenance free bearings in stainless steel. Choose the McKinney for a conventional heavy commercial opening and the Hager where welded anti-ligature construction is required.
11) Which hinge do I use if the door needs to clear the opening for a wheelchair - can the Hager IHTAB850 do that?
No. The IHTAB850 is a conventional full mortise hinge that keeps the door within the frame. For clear-opening width you want a swing clear hinge such as the BEST CB248, a steel full mortise concealed bearing swing clear hinge for square edge doors from the Swing Clear Hinges series, rated medium duty. Note that it is a medium duty hinge, so on a 200 to 300 lb door the load class does not match the heavy duty Hager.
12) What security options can be added to the Hager IHTAB850 hinge?
Security torx screws are an option, and the hinge can be ordered with a safety stud (SS) or reverse safety stud (RSS). The stud is the piece that matters on an out-swinging secure door: it engages a matching hole in the opposite leaf when the door is closed, so the door stays in the frame even if someone cuts or removes the screw heads. Torx heads keep a standard driver from backing the hinge out in the first place.
13) What material and finish is the Hager IHTAB850 hinge, and will it hold up in a wet or corrosive area?
Stainless steel leaves with a stainless steel pin, supplied in 630 satin stainless. That combination is what you want on exterior openings, shower-adjacent cells, kitchens, and coastal buildings, where a plated steel hinge will rust at the knuckle. It also matches the 630 trim and locksets already common on commercial openings.
14) What ANSI number does the Hager IHTAB850 carry?
It is made in accordance with ANSI/BHMA A156.1 and carries the ANSI A8111 designation. If a spec sheet or submittal calls out A8111 for the hinges, this is the product that answers it.
15) Why does the IHTAB850 have only 3 knuckles when most commercial hinges have 5?
Three knuckles, welded. Fewer, heavier knuckles give a shorter shear path and fewer joints to attack, which is the point on a detention opening. A five knuckle hinge like the Don-Jo BB94545 or the McKinney TCA2314 is the normal choice on ordinary commercial doors, but neither is built with welded hospital tips for anti-ligature use.
16) My doors are normal weight office doors. Is the IHTAB850 overkill?
Yes, for a standard hollow metal or wood office door it is more hinge than the opening needs and it cannot be taken apart for service. A standard or medium weight concealed bearing hinge such as the BEST 1900R or the Stanley Security CB1960R is the usual pick for those openings, and the 1900R has a removable pin if you want to lift doors off without unscrewing leaves.
17) Is the Hager IHTAB850 a full mortise hinge, and what prep does the frame need?
Full mortise, meaning both leaves are mortised in, one into the door edge and one into the frame rabbet, so only the barrel shows when the door is closed. You need a hinge pocket in the frame matched to the leaf size you order, 4-1/2 x 4-1/2 or 5 x 4-1/2. Hager publishes standard hinge location dimensions for laying out the pockets.
18) What should I use instead of the Hager IHTAB850 on a standard weight interior door?
The BEST 1900R is a steel full mortise concealed bearing standard weight hinge with a removable pin, and the Stanley Security CB1960R is a full mortise concealed bearing standard weight hinge - both medium duty and both from the Architectural Hinges series. They keep the concealed bearing action of the IHTAB850 but are built for standard weight doors rather than the 200 to 300 lb range the heavy duty Hager covers.
19) Can I cross reference a competitor hinge number to the Hager IHTAB850?
Hager maintains a commercial hinge cross reference that maps competitor hinge designations to the equivalent Hager model, which is the quickest way to confirm the IHTAB850 against what a spec or an existing door is using. Match on the three points that matter: heavy weight capacity, concealed bearing, and the detention features (welded tips and plug).
How fast can I get the Hager HAG-IHTAB850-4-1/2x 4-1/2-US32D delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Hager HAG-IHTAB850-4-1/2x 4-1/2-US32D come with a warranty?
Absolutely. The Hager HAG-IHTAB850-4-1/2x 4-1/2-US32D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Hager HAG-IHTAB850-4-1/2x 4-1/2-US32D?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Hager HAG-IHTAB850-4-1/2x 4-1/2-US32D from ZenSupply?
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