Things to consider
- .134” thick standard weight – Used for 1 ¾” Doors
- Heavy Weight = .180
- Standard 5/16” backset on frames, ¼” on Doors
- By far the most popular hinge used in commercial construction
- Square corners (on most) with templated screw hole patterns
- Mortised in door and frame
Red flags
- Many options are available – check carefully to see if prep is required
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| Plain(non ball bearing) 5 knuckle | Std. ball bearing(2) | HW ball bearing(4) |
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| Electric | Spring | Radius Corner(Rare) |
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| 2 Kunckle | 3 Knuckle | Wide Throw |
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| Half Mortise
surface mount on frame mortise in door |
Half Surface
mortise in frame surface mount on door |
Full Surface
surface mount on frame surface mount on door |
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| Swing Clear
DE use requires special profile |
Unequal Leaf
4 1/2″ 1 leaf, 5″ other same CL or top dim |
Drop Leaf
same leaf size offset top dim |
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Raised Barrel Hinge surface mount or mortised in frame mortised in door