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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.
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.
Functions/Options
- 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.
Applications
- Commercial & Industrial Buildings
- Government & Military Facilities
- Hospitality
- Multifamily & Mixed-Use
- Office Buildings
Manufacturer Resources
Product Specs
- Series:
- 3921 Series
- ADA Compliant:
- Yes
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Surface Bolt
- Product Type:
- Surface Bolt
- Subcategory:
- Surface, Barrel and Dutch Door Bolts
- Commercial/Residential:
- Commercial
- Lock Type:
- Surface Bolt
- Product Model:
- 3921-8
- Product Category:
- Door Trim and Accessories
Trimco TRI-3921-8-605-8 – Frequently Asked Questions
How fast can I get the Trimco TRI-3921-8-605-8 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Trimco TRI-3921-8-605-8 come with a warranty?
Absolutely. The Trimco TRI-3921-8-605-8 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Trimco TRI-3921-8-605-8?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Trimco TRI-3921-8-605-8 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.