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HomeFrequently Asked QuestionsArchitectural Hinges - Full Mortise Hinges

Architectural Hinges - Full Mortise Hinges

Frequently Asked Questions
Hager Companies
Q: My door is 1 ¾” x 3’6” x 8’0”, what hinge do I need?

A: You need four each Standard Weight, Anti-Friction Bearing 5.0” x 4.5” or 5.0” x 5.0” type hinges. Answer found in General Information Section of catalog



Q: I have a 3.5” x 3.5” hinge, where the holes are the opposite direction. What hinge do I need?

A: This is a non-template hinge. Call or talk with the Technical Services Managers for further information.



Q: I have a 4.0” x 4.0” non-template hinge. How much is it?

A: Pricing information is not shared on the web site. Please consult with our sales representatives by calling 1-800-325-3590 or fax 1-800-782-0149.



Q: Can Hager provide a 4.5” non-template hinge?

A: This is a non-template hinge. Call or talk with the Technical Services Managers for further information.



Q: I have a 4.5” cutout on the frame and 5.” cutout on the door. Does Hager make a hinge that will work in this application?

A: Please call or consult with the Technical Services Managers for further information.



Q: My door is hitting the stop. Does Hager make a hinge that will correct this condition?

A: Further questions need to be asked and more detailed information is necessary before this question may be answered correctly. Please call or consult with the Technical Services Managers for further information.



Q: My cu-outs are 1/8” off. Does Hager make a hinge that will correct this condition?

A: Please call or consult with the Technical Services Managers for further information.



Q: I have an aluminum door and frame, what hinge do I need?

A: Please call Hager’s Sales team for further information and the correct hinge to use in this application. Call Hager Sales Department at 1-800-325-3590 or fax at 1-800-782-0149.



Q: I need a zero swage of hinge or a hinge with no swaging. Does Hager make a hinge like this?

A: Please call or consult with the Technical Services Managers for further information.



Q: I’m right on the ocean. What hinge should I use?

A: Due to moisture and salt in the air, you will need to use either a brass or stainless steel base, material hinge. Steel material is not recommended in this type of atmosphere, due to the rusting nature of steel.



Q: The screws Hager provides are too short or too long. What else can Hager provide?


A: Please call or consult with the Technical Services Managers for further information.



Q: The screws are stripping out. What is wrong?

A: Either your torque was too high on the screw gun or pilot holes were not pre-drilled to reduce the amount of force needed to seat the fasteners.



Q: My door is squeaking - What is wrong and how can this condition be corrected?

A: Generally this is caused by a lack of lubrication between the hinge pin and the inside of the knuckle. Hager recommends, white lithium grease, commonly found in your local hardware store.



Q: My door is sagging - What is wrong and how can this condition be corrected?

A: Generally, if a door is sagging, the door weighs more than the hinges were made to carry or the frequency of use is greater than the hinge supplied.

First make sure all screws are as tight as possible. If the door and frame are constructed of wood, provide a small hardwood filler insert in loose screws before tightening. Another recommendation would be to replace the current hinges with a heavier grade hinge. If these suggestions do not work, contact Hager’s Technical Services Managers for additional information.



Q: The finish is tarnishing, peeling or rusting. What is wrong?

A: Most finishes have a shielding lacquer as protection against the elements. If this lacquer is compromised or removed, air will get under the lacquer and start to tarnish or rust the product.



Q: I have a residential hinge now. I need something heavier. What can Hager provide?

A: There are several questions that need to be asked before this determination may be made. Please call or consult with the Technical Services Managers for further information.



Q: My frame cutout is recessed. What hinge do I need?

A: You need to provide the depth of the recess or mortise before a hinge type and gauge can be determined. Measure the depth, as accurately as possible and then call the Sales office to determine the appropriate hinge.



Q: Can you plate over stainless steel?

A: Technically, no! Plating is electro-plating and stainless steel does not hold a positive / negative charge for plating. There are other methods of coating various hardware products – one such method that Hager employees is what is referred to as PVD – Physical Vapor Deposition. At this time, Hager only provides PVD coated materials in Commercial grade hinges, and in a limited assortment of products. Consult with your local sales representative, the St. Louis Sales office, your Hager catalog, price book, or on the web site for further information.



Q: What is an oil-lite bearing?


A: An oil-lite bearing is a rod on bronze based powdered material that is impregnated with oil, which acts as a lubricant. The bronze rod has a hole through the center, which is where the hinge pin is inserted. The oil-lite bearing is inserted into the same location, as ball bearing or anti-friction bearings are located on a hinge.



Q: Is ball bearing as good as an oil-lite bearing?


A: Hager’s engineering staff has tested all bearing structures for strength and durability. It is their opinion that they synthetic (nylon) bearing are the best, followed by the ball bearing, and then the oil-lite bearing.


Q: What is AB vs. BB? Which is better?


A: An AB bearing refers to an Anti-Friction bearing vs. a BB bearing refers to a ball bearing. As stated before, Hager’s engineering staff has tested all bearing structures for strength and durability. It is their opinion that they synthetic (nylon) bearing are the best, followed by the ball bearing, and then the oil-lite bearing. It is a recent practice in the hardware industry, to refer to all bearing for hinges as anti-friction, as opposed to the type of bearing.



Q: Does Hager have a hinge that can be welded?

A: Currently Hager does not have a true welding hinge. However, these may be provided through an industrial type order. Please consult one of the Technical Services Managers for further information pertaining to welding hinges.



Q: What is inner leaf beveled?

A: Inner Leaf Beveled is a term long ago used by the Corps of Engineers to indicate a bevel on the inner portion of the hinge leaf. The only thing this did was add cost to the product because of the remote location to the bevel and there was no practical purpose for the bevel. The practice has been eliminated from most manufacturers’ product catalogs. However, it may be specified in some government projects, but you will have a difficult time finding a supplier to make this type of hinge.



Q: What is a BB1193; there is no reference to it in the Hager catalog?


A: This is the old part number used to designate an Inner Leaf Beveled hinge.



Q: Do Hager hinges meet fire ratings? Why are the Hager hinges not stamped with a fire rating code?


A: Hager’s Anti-Friction bearing and Ball Bearing, steel or stainless steel based material hinges all may be used on fire rated openings. These products do not require to be stamped for used with fire doors because of the material, construction, and inclusion of anti-friction or ball bearings. Several Roton geared hinge style and all stainless steel continuous hinges, are fire rated. The only other Hager architectural type hinge that may be used on fire rated openings is the Hager Spring Hinge, which does carry a U/L stamp as a door closer body and acts as a door-closing unit. If the application does not call for all spring hinges, then the remaining hinges on the opening need to be Anti-Friction or Ball Bearing style hinges.



Q: What does the word mortised mean with relation to hinges?


A: To mortise is to rout a hinge into the edge of the frame rabbet or the edge of the door. The hinge will be flush with the face of the rabbet or the edge of the door. On a Full Mortise application, once the hinge is mortised, there is a 1/16” inch gap between the two hinge leaves when the door is closed and in the frame.



Q: Why are there two sizes for a Full Mortised hinge? Example: BB1191 4.5” x 4.5” US32D


A: The first size refers to the height of the hinge, not including any decorative or button tips, only the hinge leaf itself. The second size is the hinge measured from edge to edge when the hinge is in the open position. Only the Full Mortise hinge has two dimensions, all other types have only one dimension, and that is the height.



Q: I have a frame with a 2” applied molding. My door is 1 ¾” thick. What hinge do I need to swing the door 180º?


A: Use a Wide Throw 4.5” x 6.0”. See Pages 5 & 6 for the formula used to determine the correct width hinge to use. This is found in the General Information Section of the catalog.



Q: I have BB1279 hinges on my door. Does this meet fire code?


A: Yes, since it is a steel-based material and has anti-friction or ball bearings, it may be used on fire rated doors. This information is found in the General Information section of catalog.



Q: There is no cutout in my frame for a hinge, but I don’t want to use a half-mortises hinge. What other choice do I have?


A: Jamb Surface Mount. You may find this on page 5 in General Information section of the current catalog.



Q: How does the NRP feature work? Can the pin ever be removed on an NRP hinge?


A: Yes – A small setscrew in the knuckle of the hinge is tightened into a groove in the pin. The pin can be removed, if the setscrew is not tightened. See page 2 in the General Information section of the catalog.


Q: Can the pin be removed from an HTBB1199?


A: No.
(Polishing down a riveted pin to an angle creates the hospital tip. The tip prevents hanging any objects on the tip of the hinge, and is primarily used in hospital mental wards and prison areas. Due to its construction, the hospital type tip cannot be removed except for the use of excessive force. There are two sheer pins, drilled through the hinge knuckle and partially into the pin.)


Q: What is the pin diameter for 1279 4.5” hinge?

A: 0.312



Q: What is the base material for BB1191?

A: Stainless steel and brass.



Q: Can Hager provide button tips for Tri-Con hinges?

A: Yes – a drawing has been prepared for this application.



Q: What is the difference between OB bearings and BB bearings?

A: Oil-lite bearings are powdered bronze, impregnated with oil; ball bearings have bottom raceway, 13 ball bearings, top raceway, and enclosed in jacket. Engineering prefers to use Ball Bearing for additional strength and stability.
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