Yale 5280 Series Medium Duty Tubular Door Knob Set

Yale offers cylindrical and tubular options in medium duty door knobs. These door knobs provide ANSI grade 3 standard, offering a durable and economical door lock solution with classic designs that suit both residential projects and light duty commercial buildings.


  • Standard: ANSI / BHMA A156.2.2003 Grade 3
  • Testing Cycles: 200,000 cycles tested
  • Materials:
    - Chassis: Steel
    - Latch and Bolt: Zinc
    - Strike: Stainless Steel / Brass
    - Knob: Stainless Steel / Brass
    - Rose: Stainless Steel / Brass
  • Backset: 60mm / 70mm
  • Door Thickness: 35 ~ 50mm
  • Function: Residental and light duty commercial applicatoin
  • Cylinder: Solid brass 5-pin tumbler cylinder
  • No. of Keys: 3pcs of nickel plated brass key
  • Master key available upon request
  • Model No. BR, CA, CN
  • Finishes: Polished Brass (US3), Satin Brass (US4), Antique Copper (US11), Chrome Plated (US26), Polished Stainless Steel (US32), Satin Stainless Steel (US32D)