Deltana EFB 12", 18", 24", and...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$44.90
$33.68
Deltana Deltana EFB 12", 18", 24", and 39" Extension Flush Bolts, Solid Brass DEL-EFB

Deltana EFB 12", 18", 24", and 39" Extension Flush Bolts, Solid Brass

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Model: 12EFB15A
Selected Finish is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$44.90
$33.68
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12", 18", 24" and 39" Extension Flush BoltS, Solid Brass

The Deltana Extension Flush Bolt is designed with a unique cam mechanism that allows a smooth open-close sliding action. It eliminates springs that can break. They are available in an array of fine finishes. The Extension Rod is made of Stainless Steel.

    • U/M (Unit of Measure): each - (Price displayed is per unit)
    • Rod Extension: 12
    • Material: Solid Brass / Steel

Manufacturer Resources:

Spec Sheet

Manufacturer Resources

Product Specs

Subcategory:
Flush Bolts and Coordinators
Product Group:
Door Trim and Accessories
Product Type:
Extension Flush Bolts
Product Subgroup:
Flush Bolts
Commercial/Residential:
Commercial
MAP Policy:
Yes
Product Material:
Brass
Product Category:
Door Trim & Accessories
Product Substrate:
Stainless Steel

Deltana 12EFB15A – Frequently Asked Questions

1) What is the Deltana 12EFB extension flush bolt used for?
The 12EFB is a 12-inch extension flush bolt designed to secure tall double doors or French doors. It mounts into the door edge and extends into the frame header and floor to provide secure locking without surface-mounted hardware.
2) What door thickness does this flush bolt accommodate?
Standard Deltana extension flush bolts typically fit 1-3/8" to 1-3/4" thick doors. Verify your specific door thickness and check the manufacturer template before installation to ensure proper fit.
3) Can this be used on both left and right hand doors?
Yes, extension flush bolts are typically reversible and work for both left and right hand door applications. The bolt mechanism can be oriented during installation based on your door swing requirements.
4) What finishes are available for Deltana flush bolts?
Deltana offers multiple finishes including solid brass, polished brass, satin brass, oil rubbed bronze, and others. Check the specific model number suffix to confirm the finish of this particular unit.
5) What grade or strength rating does this flush bolt provide?
Deltana extension flush bolts are commercial-grade hardware suitable for heavy-duty applications. The solid brass construction provides durability for high-traffic installations while meeting most commercial door security requirements.
6) Does this meet fire door code requirements?
Fire door compatibility depends on the specific model and local codes. Verify fire rating requirements with your local authority and check if this model has appropriate fire door listings before use on rated assemblies.
7) What accessories or strikes are needed for installation?
Installation requires matching top and bottom strikes or receivers that mount in the door frame header and floor. These may be sold separately. Check the complete hardware schedule to ensure all components are included.
8) What tools are required for installation?
Installation typically requires a drill, hole saw or spade bits, chisel, screwdrivers, and measuring tools. A mortising jig may help achieve clean, precise cuts in the door edge. Always use the manufacturer template for accurate positioning.
9) How do you maintain extension flush bolts?
Clean periodically with mild soap and water, avoiding harsh chemicals that may damage the finish. Lubricate moving parts with light machine oil if operation becomes stiff. Check for proper alignment if bolts bind during operation.
10) Are there other lengths available in this series?
Deltana makes extension flush bolts in various lengths including 8", 12", 18", and 24" models. Choose length based on your door height and frame construction requirements for proper top and bottom engagement.
11) What are common field installation issues?
Common issues include misaligned strikes, insufficient mortise depth, and binding due to door warpage or frame settlement. Ensure strikes are properly aligned and door remains plumb throughout the installation process.
12) What are the key measurements needed before ordering?
Measure door thickness, door height, frame header depth, and floor construction thickness. Verify clearances for bolt travel and strike positioning. Confirm finish matches other hardware in the opening.
How fast can I get the Deltana 12EFB15A 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 Deltana 12EFB15A come with a warranty?
Absolutely. The Deltana 12EFB15A 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 Deltana 12EFB15A?
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 Deltana 12EFB15A 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.
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