Trudoor BB-NRP – 4.5″ x 4.5″ NRP Ball Bearing Hinge (Non-Removable Pin)

Usually Ships: Same Day
  • NRP (non-removable pin) – set screw in barrel
  • .134 standard weight, ball bearing
  • Five knuckle, template hole pattern

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Trudoor BB Series 4-1/2 x 4-1/2 Full Mortise Five Knuckle Commercial Hinges, Standard Weight, Non-Removable Pin

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
  • NRP (non-removable pin) standard – security feature for outswing doors
  • 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 TA2714 / TB2314, PBB BB81 / BB51, Best/Stanley FBB179 / FBB191

Brand

Finishes

600 Prime Coat, 630 Satin Stainless Steel, 633 Satin Brass, 640 Oil Rubbed Bronze, 652 Satin Chrome, F-BLK Flat Black

Size

4.5" x 4.5"

Material

Steel (ANSI A8112) or grade 304 stainless steel (ANSI A5112)

Gauge

0 .134

ANSI/BHMA Standard

Meets ANSI/BHMA A156 .1

Fire Rating

Approved for most types of fire doors up to 4’ x 10’ – refer to NFPA80

Usage

Medium Duty

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Trudoor BB-NRP – 4.5″ x 4.5″ NRP Ball Bearing Hinge (Non-Removable Pin)