PBB BB81-US10-4.5 X 4.5 5-Knuckle Full Mortise Hinge, 4.5in x 4.5in, Ball Bearing, Satin Bronze

PBB Inc BB81-US10-4.5 X 4.5 5-Knuckle Hinge offers a robust solution for both commercial and residential applications. Designed with precision, this full mortise hinge is constructed from ferrous steel to ensure durability and long-lasting performance. Measuring 4.5 inches by 4.5 inches, it features a standard weight rating and a sleek satin bronze finish (US10/639) that complements various door types, including metal and wood. The hinge operates smoothly thanks to its 5-knuckle ball bearing design, which minimizes friction and wear over time. With a material gauge of .134 ± .005, it provides reliable strength while maintaining a clean aesthetic. The BB81 hinge includes eight mounting holes for secure installation and comes with a comprehensive screw pack, featuring both machine and wood screws for versatility. Packaged one hinge per plastic bag, this product is also available in convenient cartons, making it easy to manage your inventory. This hinge not only meets the stringent specifications set by the American National Standards Institute (ANSI), but it is also non-handed, allowing for flexible installation options. Choose the PBB Inc BB81-US10 hinge to enhance the functionality and look of your doors with confidence.

5-Knuckle Hinge, Full Mortise Standard Weight, Ball Bearing, 4.5in x 4.5in (4545), Ferrous Steel Base, Satin Bronze US10/639

Template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American national standards institute (ANSI).

Specifications:

• Hinge Function: 5 Knuckle ball bearing (BB)
• Hinge Type: Full mortise (1)
• Material Gauge: .134 ± .005 for 4-1/2" x 4", .134 ± .005 for 4-1/2" x 4-1/2"
• Height of Hinge: 4.50 (+.000/-.015) for 4-1/2" x 4", 4.50 (+.000/-.015) for 4 1/2" x 4-1/2"
• Width: 4.00 ± .015 for 4-1/2" x 4", 4.50 ± .015 for 4-1/2" x 4-1/2"
• 4.5" Standard Screw Size: FHMS – 12-24 x 1/2", FHWS – 12 x 1-1/4"
• Base Material:
• Brass (2) - polished and plated
• Stainless steel (5) - polished and satin finish
• Steel (8) - polished and plated, or Bonderized and prime coated for painting

Packaging Information:

• One hinge per plastic bag
• 3 hinges
• 1 screw pack per unit carton
• 16 unit carton
• 48 hinges per master shipping carton
• 1 screw pack includes all machine screws (24)
• 1/2 wood screws (12)
• ATMS & AWS also available

Features

• Width: 4.00 ± .015 for 4-1/2" x 4", 4.50 ± .015 for 4-1/2" x 4-1/2"
• Base Material:
• 4.5" Standard Screw Size: FHMS – 12-24 x 1/2", FHWS – 12 x 1-1/4"
• Stainless steel (5) - polished and satin finish
• Brass (2) - polished and plated
• Steel (8) - polished and plated, or Bonderized and prime coated for painting
• Height of Hinge: 4.50 (+.000/-.015) for 4-1/2" x 4", 4.50 (+.000/-.015) for 4 1/2" x 4-1/2"
• Hinge Type: Full mortise (1)
• Material Gauge: .134 ± .005 for 4-1/2" x 4", .134 ± .005 for 4-1/2" x 4-1/2"
• Hinge Function: 5 Knuckle ball bearing (BB)

Resources

• Cut Sheet
• Installation Sheet