3921 Series Decorative Knob Surface Bolts

3921 Series Decorative Knob Surface Bolts

Trimco’s 3921 Series Decorative Knob Surface Bolts carry a classical design and are offered in various architectural finishes. With multiple standard size and strike options, as well as customization capabilities, these surface bolts are flexible enough for a wide range of applications while maintaining their durability.

Healthy Hardware
Mastercraft

Download This Product’s Catalog Listing:

  • Solid bronze or brass construction.
  • Available in various architectural finishes.
  • 8″, 12″, 28″ and 24″ standard lengths.
  • Multiple strike options for maximum flexibility.
  • Custom options available.
  • 3921-8 8″ Heavy Duty Surface Bolt, Decorative Knob
  • 3921-12 12″ Heavy Duty Surface Bolt, Decorative Knob
  • 3921-18 18″ Heavy Duty Surface Bolt, Decorative Knob
  • 3921-24 24″ Heavy Duty Surface Bolt, Decorative Knob
  • 606 Satin Brass, Clear Coated
    606 Satin Brass, Clear Coated
  • 612 Satin Bronze, Clear Coated
    612 Satin Bronze, Clear Coated
  • 613 Dark Oxidized Satin Bronze, Oil Rubbed
    613 Dark Oxidized Satin Bronze, Oil Rubbed
  • 625 Bright Chrome Plated
    625 Bright Chrome Plated
  • 626 Satin Chrome Plated
    626 Satin Chrome Plated
  • 630E Stainless Steel Equivalent
    630E Stainless Steel Equivalent
  • 706CU Sterose - CuVerro Alloy (upon request)
    706CU Sterose – CuVerro Alloy (upon request)
  • Commercial & Industrial Buildings
  • Government & Military Facilities
  • Hospitality
  • Multifamily & Mixed-Use
  • Office Buildings

3921 Series Decorative Knob Surface Bolts

Trimco’s 3921 Series Decorative Knob Surface Bolts carry a classical design and are offered in various architectural finishes. With multiple standard size and strike options, as well as customization capabilities, these surface bolts are flexible enough for a wide range of applications while maintaining their durability.

Functions/Options Features

  • 3921-8 8″ Heavy Duty Surface Bolt, Decorative Knob
  • 3921-12 12″ Heavy Duty Surface Bolt, Decorative Knob
  • 3921-18 18″ Heavy Duty Surface Bolt, Decorative Knob
  • 3921-24 24″ Heavy Duty Surface Bolt, Decorative Knob

Product Features

  • Solid bronze or brass construction.
  • Available in various architectural finishes.
  • 8″, 12″, 28″ and 24″ standard lengths.
  • Multiple strike options for maximum flexibility.
  • Custom options available.

Available Finishes

  • 606 Satin Brass, Clear Coated
    606 Satin Brass, Clear Coated
  • 612 Satin Bronze, Clear Coated
    612 Satin Bronze, Clear Coated
  • 613 Dark Oxidized Satin Bronze, Oil Rubbed
    613 Dark Oxidized Satin Bronze, Oil Rubbed
  • 625 Bright Chrome Plated
    625 Bright Chrome Plated
  • 626 Satin Chrome Plated
    626 Satin Chrome Plated
  • 630E Stainless Steel Equivalent
    630E Stainless Steel Equivalent
  • 706CU Sterose - CuVerro Alloy (upon request)
    706CU Sterose - CuVerro Alloy (upon request)