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Specifications:
ANSI: Meets ANSI A 156.2 - 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: Equipped with easily seated non-rising pin with button head & plug
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
- Brand:
- Design Hardware
- Series:
- BB5 Series
- Features:
- Ball Bearing Reduces Friction to Extend Lifetime of Hinge, For Medium Weight Doors of Average Frequency Use, More Durable than Standard Hinges
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Full Mortise Hinges
- Product Type:
- Ball Bearing Hinges
- Subcategory:
- Residential Hinges
- ANSI/BHMA:
- ANSI A 156.2, ANSI - A156.7
- Duty Level:
- Medium Duty
- Bearing Type:
- Ball Bearing
- Commercial/Residential:
- Commercial
- Knuckles:
- 5
- Size:
- 4.5" x 4.5"
- Weight:
- Standard Weight