BB5 Hinges
Standard Weight Ball Bearing Hinges
- Meets ANSI A156.1 - Dimensions and tolerances
Conform to ANSI – A156.7 - .134" Gauge +/- .005" on 4.5" x 4.5" sizes
- Steel base metal (ANSI A8112) or Stainless Steel (grade 304)(ANSI A5112)
Marine Grade 316 US32D Stainless Steel also available - 5 Knuckle Design & Templated hole locations for wood or metal doors & frames
- Approved for most types of fire doors up to 4' x 10', 8' x 10' pairs – Refer to NFPA 80
- 1/6" Swage standard which provides 1/16" of clearance between leaves
- Security NRP – Non Removable Pin available upon request
- Equipped with easily seated non-rising pin with button head
- Hole in bottom knuckle tip enables quick pin removal for ease of installation
- Each hinge has 2 sets of maintenance free non detachable ball bearings requiring no oil or grease
- Each box of 3 hinges contains full set of machine and wood screws
- Limited Lifetime Warranty
Available Finishes BB5
- US3 632 Bright/Polished Brass
- US4 633 Brushed/Satin Brass
- US10 639 Brushed/Satin Bronze
- US10B 640 Oil Rubbed Bronze
- US15 646 Brushed/Satin Nickel
- US26 651 Bright/Polished Chrome
- US26D 652 Brushed/Satin Chrome
- US32D 630 Brushed/Satin Stainless Steel
(type 304 (standard) or type 316 Marine Grade) - USP 600 Primed Painted
** Other finishes available upon request
