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

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, Ecco ECBB1100 / ECBB1101, Hager BB1279 / BB1191, Ives 5BB1, Mac Pro MPB79 / MPB91, McKinney TA2714 / TB2314, PBB BB81 / BB51, Stanley FBB179 / FBB191

Brand

Finishes

600 Prime Coat, 630 Stainless Steel, 652 Satin Chrome

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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