Things to consider
- .146″ thick standard weight – used for 1 ¾” or thicker doors
- heavy weight = .190
- Standard 5/16” backset on frames, ¼” on doors
- Used on wider doors – generally over 42” wide
- Square corners with templated screw hole patterns
- Mortised in door and frame
Red flags
- Many options are available – check carefully to see if special 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 | 3 Knuckle | Wide Throw |
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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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| 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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| Raised Barrel Hinge
surface mount or mortised in frame mortised in door |
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| Anchor Hinge
frame only expensive HM prep |
Anchor Hinge
frame and door prep very expensive HM prep |