Design Hardware DH-BB5-NRP-4.5X4.5-32D-304 BB5 Standard Weight Ball Bearing Hinge x NRP

• ANSI : Meets ANSI A156.2 – Dimensions and tolerances conform to ANSI – A156.7 • Gauge of Metal : .129” for 4” x 4”, .134” for 4” x 4.5”, .145” for 5” x 4 1/2" sizes • Base Material : o Steel (ANSI A8112) or Stainless Steel (Grade 304 standard)(ANSI A5112) o Marine Grade 316 US32D Stainless Steel also available • Design & Templating : 5 Knuckle Design & Templated hole locations for wood or metal doors & frames • Fire Door Use : Approved for most types of fire doors up to 4′ x 10′, 8′ x 10′ pairs – Refer to NFPA80 • Swaging : 1/16” Swage standard which provides 1/16” of clearance between leaves • Security NRP : NRP – Non removable pin available upon request for most sizes • Pin & Tip Options : Easily seated non-rising pin with button head, Steeple & Ball Tips also available • Radius Corner : 1/4” and 5/8” Radius Corner available and in stock for 4” x 4” sizes only • Bearings : Each hinge has 2 sets of maintenance free non detachable ball bearings • Electrification : Concealed thru wire and monitoring options available, See electrified section • Fasteners : Each box of 3 hinges contains full set of machine and wood screws • Warranty : Limited Lifetime Warranty