Swivel Mount Adapter: Narrow Base (3/4") + 1" Extension
Add-On Baseplate for Adjustable Swivel Mounts
This **ADD-ON** baseplate enables mounting our standard Adjustable Swivel Mounts onto narrow trim (3/4" wide minimum) AND provides exactly 1 inch of forward extension - that is NARROW. Total extension length is 1-3/8 for this extra piece only.
Purpose: Allows installation on narrow surfaces >= 3/4" wide AND adds 1 inch of depth to help clear obstacles.
Swivel Mount NOT included - Purchase this only if you already have or are purchasing a compatible Swivel Mount separately.
Solution for Narrow Trim & Adding 1-3/8" Total Depth!
Is your door trim only 3/4" wide? Need to push your swivel mount forward by over an inch? This specialized adapter baseplate solves both issues simultaneously!
It features a slim 3/4-inch wide wall footprint for secure mounting on narrow trim. It also adds a fixed 1 inch of forward extension, plus a 3/8" transition, for a **total added depth of 1-3/8 inches**. The plate then flares out to seamlessly connect with the standard base of our adjustable swivel mounts.
Adapter Plate Dimensions (3/4" Wide Base + 1" Extension)
- Wall Contact Width: 3/4 inches (Requires trim/surface width of >= 3/4").
- Forward Extension (Straight Part): 1 inch.
- Transition Section Depth: Adds an additional 3/8 inch depth.
- Total Depth Added by THIS Adapter: 1-3/8 inches (1" + 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 1-3/8" 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: ~3-7/8 inches (3.875") away from the wall/trim surface.
- Front Face of Doorbell: ~4-7/8 inches (4.875") away from the wall/trim surface (assuming ~1" doorbell thickness).
(These are estimates; actual position depends on the specific swivel mount and doorbell model used.)
Key Adapter Features:
- Fits Narrow Trim: Enables installation of standard swivel mounts on surfaces >= 3/4" wide.
- Adds Fixed 1" Extension: Provides exactly 1 inch of forward spacing (+ 3/8" transition = 1-3/8" total depth added).
- Seamless Swivel Mount Integration: Designed for a snug, secure fit with DoorbellMount.com Adjustable Swivel Mount bases.
- Clean Design Transition: Widens smoothly from 3/4" to the standard ~1.8" swivel base width.
- Standardized Holes: Uses 2-5/8" mounting hole spacing (customizable).
- Robust PETG Material: Ensures durability and weather resistance.
- Color Coordinated: Matches the color of the main swivel mount ordered (Default Black).
- More Options Available: Check other listings for different extension lengths (e.g., 1/2", 1-1/2") or contact us.
How to Install (Adapter + Swivel Mount)
This baseplate fits between your wall/trim and your main swivel mount base.
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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 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, avoid overtightening.
- 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. The correct screwdriver size prevents stripping.
Product Visuals
(See listing photos or contact us for images!)
Compatibility Questions or Custom Needs?
Unsure if this adapter is right for your swivel mount or setup? Need a different extension length or custom hole spacing?
- Email: shop@doorbellmount.com (Send pictures!)
- Text/Call: 1-833-326-6868 (Text pictures!)
Color: This adapter will be printed in the same color selected for your main Adjustable Swivel Mount order (default is Black).
Add-On Only: This listing is for the narrow baseplate adapter with 1" extension ONLY (+3/8" transition = 1-3/8" total depth added). The Adjustable Swivel Mount must be purchased separately.
3D Printed Parts: Crafted using 3D printing (PETG). Minor cosmetic imperfections or layer lines may be present but do not impact strength or function. Contact us with any quality concerns before leaving a review.
Order this Narrow Baseplate Add-on today to install your swivel mount perfectly on 3/4" trim and add 1-3/8" total depth!
