Product Overview
Trudoor BB Series 4-1/2″ x 4-1/2″ Full Mortise Five Knuckle Commercial Hinges, Standard Weight, Square Corner
BB Series butt hinges are perfect for nearly any commercial wood or metal door application, as they exceed all code requirements and offer value, durability, and consistent performance.
- Meets ANSI A156.2 – Dimensions and tolerances conform to ANSI – A156.7
- 5 knuckle, templated hole locations for wood or metal doors & frames
- 1/16” swage standard which provides 1/16” of clearance between leaves
- Packed with 1/2” x 12-24 machine and 1-1/4” x #12 wood screws (use #3 driver bit)
Cross Reference
BB Series hinges can be specified as a substitute or direct replacement for: Bommer BB5000 / BB5002, Cal-Royal BB31, Design Hardware BB5, Doormerica DH-BB179, Ecco ECBB1100 / ECBB1101, Hager BB1279 / BB1191, Ives 5BB1, Mac Pro MPB79 / MPB91, McKinney TA2314/TA2714 / TB2314/TB2714, PBB BB81 / BB51, Best/Stanley FBB179 / FBB191
Brand | |
---|---|
Finishes | 652 Satin Chrome, F-BLK Flat Black |
Hinge Type | Full Mortise |
Size | 4.5" x 4.5" |
Knuckles | Five |
Bearings | Ball Bearing |
Material | Steel (ANSI A8112) |
Gauge | 0 .134 |
ANSI/BHMA Standard | Meets ANSI/BHMA A156 .1 |
Usage | Medium Duty |
Fire Rating | Approved for most types of fire doors up to 4’ x 10’ – refer to NFPA80 |
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