At Trimco we manufacture high performance architectural hardware as well as design and produce custom solutions for various commercial purposes.
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.
- 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
612 Satin Bronze, Clear Coated
613 Dark Oxidized Satin Bronze, Oil Rubbed
625 Bright Chrome Plated
626 Satin Chrome Plated
630E Stainless Steel Equivalent
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
612 Satin Bronze, Clear Coated
613 Dark Oxidized Satin Bronze, Oil Rubbed
625 Bright Chrome Plated
626 Satin Chrome Plated
630E Stainless Steel Equivalent
706CU Sterose - CuVerro Alloy (upon request)