Swivel Mount Adapter: Narrow Base (3/4") + 3/4" Extension
Add-On Baseplate for Adjustable Swivel Mounts
This **ADD-ON** adapter baseplate is designed to work with our standard Adjustable Swivel Mounts (0-35° & 15-90° versions using the ~1.8" wide base attachment).
Purpose: It allows installation on narrow trim (minimum 3/4" wide) AND adds exactly 3/4 inch of forward NARROW extension.- see total extension below.
Swivel Mount is NOT included - This listing is for the adapter baseplate only.
Install on 3/4" Trim & Add 1-1/8" Total Depth!
Is your mounting surface too narrow for our standard swivel mount base, but at least 3/4" wide? Need to bring your doorbell forward by over an inch? This adapter baseplate provides the solution!
It features a 3/4-inch wide wall footprint perfect for narrow trim. It also provides a 3/4-inch forward extension plus a 3/8" transition section, adding a **total depth of 1-1/8 inches** to your installation. The plate widens to perfectly connect to our standard swivel mount bases.
Adapter Plate Dimensions (3/4" Wide Base + 3/4" Extension)
- Wall Contact Width: 3/4 inches (Requires trim/surface width of >= 3/4").
- Forward Extension (Straight Part): 3/4 inch.
- Transition Section Depth: Adds an additional 3/8 inch depth.
- Total Depth Added by THIS Adapter: 1-1/8 inches (3/4" + 3/8").
- Width at Swivel Mount Interface: Widens to approx. 1.8 inches to match standard swivel base.
- Mounting Hole Spacing: 2-5/8 inches (center-to-center, standard - customizable on request).
Resulting Doorbell Position (Approximate)
When this 1-1/8" deep adapter plate is combined with one of our standard Adjustable Swivel Mounts, the final position of your doorbell will be approximately:
- Back of Doorbell Body: ~3-5/8 inches (3.625") away from the wall/trim surface.
- Front Face of Doorbell: ~4-5/8 inches (4.625") away from the wall/trim surface (assuming ~1" doorbell thickness).
(Estimates depend on the specific swivel mount and doorbell model.)
Adapter Plate Features:
- Solves Narrow Trim Issues: Enables secure mounting of standard swivel mounts on surfaces >= 3/4" wide.
- Fixed 3/4" Extension Added: Provides exactly 3/4 inch forward spacing (plus 3/8" transition = 1-1/8" total depth added).
- Secure Swivel Mount Connection: Interfaces perfectly with DoorbellMount.com Adjustable Swivel Mount bases.
- Smooth Width Transition: Flares neatly from 3/4" to the ~1.8" swivel base width.
- Standard Mounting Holes: Uses 2-5/8" hole spacing (customizable if needed).
- Durable Construction: Made from robust, weather-resistant PETG plastic.
- Color Consistency: Matches the color of the main swivel mount ordered (Default Black).
- Various Lengths Available: See other listings for narrow baseplate adapters with different extension lengths (e.g., 1/2", 1-1/2").
How to Install (Adapter + Swivel Mount)
This adapter plate fits between your wall/trim and the main base of your swivel mount.
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Tools & Prep: Gather Swivel Mount parts, this adapter, drill, PH2 screwdriver/bit, anchors (if needed), level.
Turn OFF power to doorbell wiring at the breaker!
- Align & Route Wires: Route wires first through this 3/4" Wide Adapter Baseplate, then through the standard Swivel Mount Base. Align the mounting holes (Adapter Baseplate against the wall, Swivel Base on top).
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Mount Combined Base: Position the combined bases on your >= 3/4" trim/wall. Secure *both* pieces together to the wall using the #6 x 1-1/2" screws (provided with the main Swivel Mount) through the aligned 2-5/8" holes. Use appropriate anchors if needed.
Ensure alignment is correct. Use PH2 driver. Drill carefully, do not overtighten.
- Continue Swivel Mount Install: Proceed with the standard installation steps for your swivel mount (attach swivel bracket to base, set angle, wire doorbell, attach doorbell using mount-provided screws, finalize angle) as detailed in the main swivel mount instructions.
Always follow safety rules & doorbell wiring guidelines. Use appropriate anchors. Correct screwdriver size prevents stripping.
Product Visuals
(See listing photos or contact us for images!)
Need Help or Custom Options?
Unsure if this 3/4" extension adapter is right for your swivel mount? Need a different extension length or custom hole spacing?
- Email: shop@doorbellmount.com (Send pictures!)
- Text/Call: 1-833-326-6868 (Text pictures!)
Color Information: This adapter will match the color selected for your main Swivel Mount order (default Black). For other colors, add the Color Change Request.
Add-On Purchase: This listing is for the 3/4" wide adapter baseplate with 3/4" extension ONLY (adds 1-1/8" total depth). The Adjustable Swivel Mount must be purchased separately.
3D Printed Quality: Manufactured using 3D printing (PETG). Minor cosmetic variations or layer lines may occur but do not compromise strength or function. Contact us with any concerns before leaving a review.
Order this 3/4" Extension Narrow Baseplate Add-on to perfectly install your swivel mount on narrow trim while adding 1-1/8" depth!
