Hager 1848 Full Mortise Reside...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$12.11
Hager 1848 Pair of 4" x 4" Steel Square by 5/8" Radius Corner Full Mortise Residential Plain Bearing Hinges HAG-1848

Hager 1848 Full Mortise Residential Hinges - 4" x 4" Steel with 5/8" Radius Corner Plain Bearing

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Model: 1848-4X4-15
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Hager 1848 Full Mortise Residential Hinges - 4" x 4" Steel with 5/8" Radius Corner Plain Bearing

Professional Residential Door Hardware Solution

The Hager 1848 full mortise residential hinges deliver reliable door operation with 4" x 4" steel construction and 5/8" radius corner design. These 5-knuckle hinges feature plain bearing operation with removable pins and reversible installation for doors with 1-3/8" thickness. Built to ANSI A156.1 Light Weight requirements, these hinges provide dependable performance for residential applications.

Professional Features & Benefits

  • Standard Residential Size: 4" x 4" dimensions accommodate standard residential door applications with 1-3/8" door thickness compatibility.
  • Durable Steel Construction: Steel material with steel pin provides long-lasting durability and reliable operation for residential use.
  • 5/8" Radius Corner Design: Square corner by 5/8" radius configuration offers clean appearance while reducing stress concentration points.
  • Plain Bearing Operation: Smooth plain bearing system ensures quiet, reliable door movement with proper lubrication maintenance.
  • Reversible Installation: Field-reversible design allows installation on either left-hand or right-hand door applications for installation flexibility.
  • Removable Pin Design: Removable pins allow for easy door removal when needed for maintenance or replacement without disturbing frame mounting.
  • ANSI Compliance: Meets ANSI A156.1 Light Weight requirements ensuring consistent quality and performance standards.
  • Complete Hardware Package: Includes 3/4" x 9 FH wood fasteners and ships unassembled with 2 hinges per box for complete installation.

Technical Specifications

  • ANSI/BHMA: ANSI A8134
  • Bearing Type: Plain Bearing
  • Commercial/Residential: Residential
  • Corner Style: 5/8" Radius x Square Corners
  • Door Thickness: 1-3/8"
  • Fasteners: 3/4" x 9 FH Wood
  • Features: Plain Bearings, Reversable, Removable Pin
  • Knuckles: 5
  • Notes
  • Subcategory: Full Mortise 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

  • Residential Entry Doors
  • Interior Passage Doors
  • Bedroom and Bathroom Doors
  • Closet and Utility Room Doors
  • Multi-Family Housing Units
  • Light Commercial Residential-Style Applications
  • Door Replacement and Renovation Projects

Why Choose Hager Quality?

Hager residential hinges deliver professional-grade reliability with steel construction and plain bearing operation designed for dependable residential door applications. Meeting ANSI A156.1 Light Weight requirements, these hinges provide consistent performance standards. As the industry's premiere designer and manufacturer of architectural hinges, Hager offers one of the widest varieties of sizes, shapes, and finishes that meet or exceed ANSI standards.

Product Specs

Knuckles:
5
Corner Style:
5/8" Radius x Square Corners
Subcategory:
Full Mortise Hinges
Fasteners:
3/4" x 9 FH Wood
Product Group:
Door Hinges and Pivots
Product Subgroup:
Full Mortise Hinges
Product Type:
Full Mortise Hinges
Features:
Plain Bearings, Reversable, Removable Pin
ANSI/BHMA:
ANSI A8134
Bearing Type:
Plain Bearing
Commercial/Residential:
Residential
Product Model:
1848
Product Function:
Plain Bearing
Door Thickness Range:
1-3/8"
Product Size:
4" x 4"
Product Category:
Door Hinges and Pivots
Product Substrate:
Steel
Department:
Door Hardware

Hager 1848-4X4-15 – Frequently Asked Questions

1) Will the Hager 1848 hinge work on a 1-3/8 inch interior door?
That is exactly what the 1848 is built for. The 4 x 4 inch full mortise hinge is rated for 1-3/8 inch door thickness, which is the common interior and residential door thickness. On a 1-3/4 inch door (standard commercial thickness) you want a heavier hinge in a 4-1/2 inch size instead, such as the Don-Jo BB74545 or the McKinney TCA2314, both 4-1/2 x 4-1/2 inch full mortise hinges.
2) Do I have to order a left hand and a right hand version of the Hager 1848 hinge?
No. The 1848 is reversible, so the same hinge goes on a left hand or right hand door. Non-handed is normal for a full mortise butt hinge, and it means you can stock one part number for the whole building instead of splitting your order by swing.
3) Should I use a plain bearing hinge or a ball bearing hinge on my doors?
Plain bearing, which is what the Hager 1848 is, suits residential doors that see normal household traffic and are not carrying a closer. Once a door gets heavy, gets a closer on it, or sits on a corridor that cycles all day, go to a bearing hinge: the Don-Jo BB74545 is a 5-knuckle ball bearing full mortise hinge in steel, and the BEST 1900R is a concealed bearing standard weight hinge with a removable pin. For a heavy weight opening, the McKinney TCA3386 and the Dormakaba CB199 are the heavy duty options.
4) Is the Hager 1848 hinge heavy enough for a commercial corridor or a door with a closer?
No. The 1848 is a residential, light weight hinge built to ANSI A156.1 light weight requirements, with plain bearings rather than a bearing stack. Put a closer on it or run it in a corridor and the plain bearing wears. For those openings move to a bearing hinge such as the BEST 1900R standard weight or, for heavy doors, the McKinney TCA3386 heavy weight or the BEST CB223 heavy weight pivot reinforced hinge.
5) Can I use the Hager 1848 where an electrified hinge is called for to run power to the lock?
No. The 1848 is a plain bearing steel full mortise hinge with a removable pin and no wire path through the barrel. When the drawing calls for power transfer through the hinge, the ACSI 5BB1 is a 5 knuckle ball bearing full mortise hinge, 4-1/2 inch by 4-1/2 inch, with concealed electric through-wire in a 4 wire 28 gauge configuration. Note the leaf size difference: the 5BB1 is 4-1/2 inch square where the 1848 is 4 inch by 4 inch, so the frame and door prep differ.
6) What is the difference between the Hager 1848 hinge and a Don-Jo BB74545 ball bearing hinge?
The Hager 1848 is a 4 inch by 4 inch steel full mortise hinge with 5 knuckles, plain bearings, a removable pin, and a square by 5/8 inch radius corner, sized for 1-3/8 inch doors. The Don-Jo BB74545 is a 4-1/2 inch by 4-1/2 inch steel full mortise ball bearing hinge with a square corner and 5 knuckles, rated standard duty. The two differ in bearing type and in leaf size, so the mortise cut in the door and frame is not the same: a 4 inch by 4 inch pocket will not take the 4-1/2 inch leaf without recutting. Match the hinge to the existing prep unless the door is being re-prepped.
7) The apartment doors get constant traffic and the plain bearing hinges are squeaking. What holds up better on a high-use door?
Plain bearing hinges like the Hager 1848 depend on lubrication at the knuckle and are built to the residential end of the range. For doors cycling all day, a bearing hinge carries the load on a bearing race instead. The Don-Jo BB74545 is a 4-1/2 inch by 4-1/2 inch steel ball bearing full mortise hinge in standard duty, and the McKinney TCA2314 is a 4-1/2 inch by 4-1/2 inch square corner 5 knuckle full mortise hinge, also standard duty. Both are 4-1/2 inch leaves, so a door prepped for a 4 inch by 4 inch hinge needs the mortise widened and lengthened to accept them.
8) What hinge should I use for a heavy solid core or lead-lined door instead of a residential plain bearing hinge?
The Hager 1848 is a residential plain bearing hinge for 1-3/8 inch doors, which is the wrong end of the range for a heavy leaf. For that opening, the McKinney TCA3386 is a heavy weight 4-1/2 inch by 4-1/2 inch square corner 5 knuckle full mortise hinge, the BEST CB223 is a stainless steel concealed bearing heavy weight pivot reinforced hinge for beveled edge doors, and the Stanley Security CB199 is a heavy weight full mortise concealed bearing hinge. Pick between them on door edge: CB223 is cut for a beveled edge, while the BEST FBB212 heavy weight pivot reinforced ball bearing hinge is for square edge doors.
9) Can I take a door off its hinges without unscrewing the Hager 1848 from the frame?
Yes. The 1848 uses a removable pin, so you pull the pin and lift the door off with the leaves still fastened to the door and frame. That is what you want in an apartment or rental turn where doors come off for painting, flooring, or moving furniture and go back on the same prep.
10) Do I need to buy screws separately for the Hager 1848 hinges?
Screws are in the box. Each pair ships with 3/4 inch x 9 flat head wood screws, which is the right fastener for a wood door and wood jamb. If you are hanging into a hollow metal frame, those wood screws are no use to you and you will need machine screws to suit the frame's tapped holes.
11) How many Hager 1848 hinges do I need per door, and how many come in a box?
The 1848 ships two hinges to a box, unassembled. A 1-3/8 inch interior door normally hangs on three hinges, so plan on two boxes per door and you will have one hinge left over toward the next opening. Hager publishes standard hinge location dimensions if you are laying out a new prep rather than matching an existing one.
12) Is a 5-knuckle hinge the same as what is on my existing residential doors?
Most likely, yes. The 1848 is a 5-knuckle full mortise butt hinge in the 4 x 4 inch size, which is the standard residential pattern, so it lines up knuckle for knuckle with what is typically already hanging on a 1-3/8 inch door. Measure the existing leaf first: if it comes out 3-1/2 x 3-1/2 inches, the 4 x 4 will not sit in the same mortise.
13) I need to standardize hinges across a multi-family building. Is the Hager 1848 the right call?
For interior residential openings it works well as a fleet standard: one non-handed, reversible part number covers every swing, the 4 x 4 size fits 1-3/8 inch doors, and it is built to ANSI A156.1 light weight. Where the same building has entry doors, stair doors, or anything with a closer, spec those separately on a bearing hinge, because a plain bearing hinge under a closer is the first thing to fail.
14) Is a concealed bearing hinge the same thing as the plain bearing Hager 1848?
They are different bearing designs. The Hager 1848 uses plain bearings, which are visible as flat bearing surfaces between the knuckles and rely on lubrication. A concealed bearing hinge hides the bearing inside the barrel so the knuckle profile looks like a plain hinge from the edge of the door. The BEST 1900R is a steel full mortise concealed bearing standard weight hinge with a removable pin in medium duty, and the Stanley Security CB1960R is a full mortise concealed bearing standard weight hinge, also medium duty. If the appearance of a plain knuckle line matters but the door cycles hard, a concealed bearing hinge gives the look with a bearing underneath.
15) The 1848 comes in brass and nickel finishes but the body is steel. What if I need a solid brass or stainless hinge?
The Hager 1848 is a steel hinge offered in 605 bright brass, 609 antique brass, 619 satin nickel, and 620 antique nickel finishes, which are plated finishes over the steel base. When the base metal itself matters, the Don-Jo BB84545 is a 4-1/2 inch by 4-1/2 inch brass full mortise ball bearing hinge in satin chrome, and the Don-Jo BB94545 is a 4-1/2 inch by 4-1/2 inch stainless steel full mortise ball bearing hinge with a square corner. Stainless is the usual choice for exterior and coastal openings where a plated steel hinge would corrode at the knuckle.
16) What is the closest match to a Hager 1848 if I need a non-square 4-1/2 by 4 inch hinge for a narrower stile?
The Hager 1848 is 4 inch by 4 inch, a square leaf. Where the door needs a taller leaf but the frame rabbet limits the open width, the Don-Jo BB74540 is a full mortise ball bearing hinge measuring 4-1/2 inch by 4 inch in satin chrome, standard duty. The first number is leaf height and the second is the open width across both leaves, so the BB74540 gives the extra half inch of screw spacing on the door without adding open width.
17) What finishes does the Hager 1848 4 x 4 hinge come in?
Four finishes, all on the same steel hinge: 605 bright brass, 609 antique brass, 619 satin nickel, and 620 antique nickel. Those are BHMA finish codes, so if the lever and the strike on the opening are already specified to a code, order the hinge to match the number rather than to the name.
18) McKinney TCA2314 versus TCA2317 - how do I pick one for a commercial replacement?
Both are square corner 5 knuckle full mortise hinges measuring 4-1/2 inch by 4-1/2 inch in standard duty, so they share the same mortise prep and knuckle count. They sit in the same size class and differ by model within the McKinney line rather than by size or corner style. Either is a step up in leaf size from the 4 inch by 4 inch Hager 1848, which means the existing residential prep has to be enlarged before a swap.
19) Do I need a hinge with a removable pin, or is that only on the Hager 1848?
A removable pin lets the door come off for painting, flooring, or a lock change without unscrewing the leaves from the frame. The Hager 1848 has a removable pin and is field reversible for left or right hand openings. Among the bearing hinges, the BEST 1900R is a steel full mortise concealed bearing standard weight hinge specified with a removable pin, so a removable pin is available in a bearing hinge as well if that is the feature driving the choice.
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Can I return it if it doesn’t work for me?
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Does the Hager 1848-4X4-15 come with a warranty?
Absolutely. The Hager 1848-4X4-15 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 1848-4X4-15?
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