Standard Weight Ball Bearing Hinges - BB5 Hinges

ANSI : Meets ANSI A156.2 – Dimensions and tolerances conform to ANSI – A156.7 Gauge of Metal : .129″ for 4″ x 4″, .134″ for 4.5″ x 4.5″, .145″ for 5″ x 4 1/2″ sizes Base Material : Steel (ANSI A8112) or Stainless Steel (Grade 304 standard)(ANSI A5112) 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