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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 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