Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    (800) 289-2237
    Home
    • Quick Order
    • Quotes
    • Promotions
    • Careers
    • Help
    • Contact
    Mobile app

    Why Shop With Us?

    • Lorry and clock graphic

      BUY "YOUR WAY"

      Order by 24/7 by web, contact our sales reps or call by phone.

    • Shopping bag with heart graphic

      One Stop Shop

      What you need, when you need it, all in one place.

    • Trolley graphic

      Next Day Delivery

      Most orders ship same day.

    • Supprt headphone graphic

      Expert Support Team

      Advice and support from knowledgeable professionals.

    Need help? Call(800) 289-2237

    Company Information

    • About Our Company
    • Who is Reinhold Würth?
    • Contact Us / Locations
    • Return Policy
    • Shipping Policy
    • Careers
    • Sales Tax and Exemption
    • Credit Application
    • ACH / e-Check Registration
    • Terms & Conditions
    • Privacy Notice
    • Accessibility Statement
    • Help
    • FAQ
    • Pay Invoices Online

    Shop With Us

    • Shop by Brand
    • Clearance
    • Daily Discounts
    • Catalogs
    • Vendor Literature
    • Download Our Mobile App

    Services

    • SAM.gov - CAGE Code: 1UXJ6
    • Architects & Designers Portal
    • ORSY - Inventory Management Solution
    • Machinery

    Contact

    • Toll-free (800) 289-2237
    • Website Support (800) 944-2237 x4444
    • Support via Text / SMS (800) 289-2237
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    • Our Blog (opens in a new tab)
    • LinkedIn (opens in a new tab)
    • Facebook (opens in a new tab)
    • Instagram (opens in a new tab)
    • YouTube (opens in a new tab)
    • TikTok (opens in a new tab)
    • Pinterest (opens in a new tab)
    • X (formerly Twitter) (opens in a new tab)
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    Approved US Government VendorCage Code: 1UXJ6

    Copyright © 2004-2026, Würth Baer Supply Company. All Rights Reserved.

    Terms & ConditionsPrivacy NoticeAccessibilityDo Not Sell My Personal InformationWürth ComplianceSite FeedbackSitemap
    Vernon Hills, IL
    Vernon Hills, IL
    Sign in / Register
    Mantels & Accessories
    1. Home
    2. Shelf, Closet & Garage Organization
    3. Mantels & Accessories
    • User manual 1, FB-06338
      User manual 1, FB-06338

    Description

    Floating Fireplace Mantel Bracket For Secure Support

    floating fireplace mantel bracket from Federal Brace is built to securely hold an open or box style mantle, giving installers a single steel solution for floating fireplace designs. The 46 inch length with 4-1/2 inch depth and 3 inch height provides a substantial steel backbone across the mantel span, helping distribute load along the wall for a solid feel. Heavy duty powder coated black steel construction ties a durable finish to the strength of 0.25 inch thick material, which matters when a mantel also carries decor. Each bracket is rated to carry 200 pounds, so a properly mounted unit supports a full mantle plus typical decorative items without stressing the bracket itself. Arms that extend from both ends of the bracket slide into a mantel box or floating shelf box, creating a concealed support that leaves the face of the fireplace clean and uncluttered.

    Key Mantel Bracket Details That Support Your Work

    • The 4.5 x 46 x 3 inch size gives you a defined footprint to plan stud locations and mantel dimensions, helping lay out the fireplace wall before drilling.
    • The 0.25 inch thick steel material provides a rigid support bar, reducing flex across the span so the finished mantel feels solid during everyday use.
    • A 200 pound carry capacity per bracket allows a single bracket to support a typical mantel and decor, simplifying layouts where wall space limits multiple supports.
    • 0.26 inch diameter by 1 inch long slot holes for mounting give lateral adjustment at install, helping align the bracket level even when wall framing is not perfectly placed.
    • Powder coated black finish gives the heavy duty steel a finished appearance, which is useful in potential visible applications where the bracket edge might be exposed.
    • Arms extending from both ends of the bracket insert into a mantel box or floating shelf box, creating a floating look without external corbels or visible braces.

    Mantel Bracket Mounting And Floating Shelf Interface

    The Floating Mantel Bracket by Federal Brace easily mounts to the wall, pairing its steel body with 0.26 inch diameter by 1 inch long slot holes that accept appropriate fasteners through framing. Those elongated mounting slots allow side-to-side adjustment while the bracket is partially fastened, making it easier to set level across irregular framing or finish. Arms that extend from both ends of the bracket slide into the mantle box, floating shelf box, or other shelf material, so the shelf material captures the arms and transfers load back to the wall. The heavy duty powder coated black steel and 0.25 inch material thickness give the installer confidence when tightening fasteners and seating the mantel onto the arms.

    Using This 46 Inch Mantel Bracket In Fireplace Builds

    Where This Floating Fireplace Mantel Bracket Fits Best

    This Floating Mantel Bracket by Federal Brace is sized at 4.5 x 46 x 3 inches, making it a natural fit for fireplace builds that call for a substantial floating mantle or floating shelf across a standard-width wall section. The 46 inch span helps support mantels where a single central bracket is preferred, providing steel coverage across much of the mantel length so weight does not concentrate at a narrow point. Arms that extend from both ends of the bracket are designed for insertion into a mantel box, floating shelf box, or other shelf material, which means the steel work is hidden inside the wood or other facing for a clean, floating appearance. This bracket is also described for use with open or box style mantles, so it suits designs where the mantel is either a solid profile or a hollow box that slips over the arms. Heavy duty powder coated black steel allows the part to present a strong appearance in potential visible applications, such as when the bracket edge is exposed beneath a thin profile shelf near the fireplace.

    Details That Support Strong, Repeatable Mantel Installs

    The 0.25 inch material thickness of this Floating Mantel Bracket provides a rigid backbone, which helps reduce deflection when the 200 pound carry capacity is used across the bracket length. That rigidity matters for repeatable installs, because a stiffer bracket keeps the mantel elevation consistent from project to project once the mounting height is established. The bracket uses 0.26 inch diameter by 1 inch long slot holes for mounting, giving lateral adjustment at the wall so installers can fine tune location and level even if framing members are not perfectly centered. Each floating mantel bracket can hold 200 pounds, so the load rating simplifies planning where both the mantel and decor elements must be supported on a single structural piece. Arms that extend from both ends of the bracket for insertion into the mantel box or floating shelf box create a stable lever arm inside the shelf material, increasing engagement depth and helping resist rotation under load. The design minimizes scrap and requires no welding, giving the bracket a continuous steel profile that presents a strong appearance and consistent shape for repetitive layout, drilling, and mantel fabrication steps.

    Common Questions About This Federal Brace Mantel Bracket

    What size is this Federal Brace floating fireplace mantel bracket?

    The Floating Mantel Bracket measures 4.5 x 46 x 3 inches, so installers can design mantel boxes and shelf lengths around a 46 inch steel spine for predictable support and layout.

    How much weight can each floating mantel bracket support?

    Each floating mantel bracket is rated to carry 200 pounds, allowing a single bracket to support a mantle plus decor within that load without overstressing the steel structure.

    How does this mantel bracket mount to the wall?

    The bracket easily mounts to the wall using 0.26 inch diameter by 1 inch long slot holes, letting installers anchor into framing while adjusting position for level and alignment.

    How does the bracket create a floating mantel effect?

    Arms extend from both ends of the bracket and insert into a mantel box or floating shelf box, so the steel is hidden inside the shelf material and the support appears to float.

    What material and finish are used on this mantel bracket?

    This bracket is made from 0.25 inch thick heavy duty steel with a powder coated black finish, combining structural strength with an appearance suitable for visible applications.

    Can this bracket support both open and box style mantles?

    The Floating Mantel Bracket is described for securely holding an open or box style mantle, so it works with solid profiles or hollow mantel boxes sized around its arms and length.

    Select This Mantel Bracket For Strong Floating Support

    The 46 inch x 4-1/2 inch Floating Fireplace Mantel Bracket in flat black pairs 0.25 inch thick steel with a 200 pound carry capacity to support real-world mantels. Arms that extend from both ends integrate into open or box style mantles, giving a clean floating look backed by heavy duty powder coated black steel. With slot holes sized at 0.26 inch diameter by 1 inch long, the bracket offers practical adjustment during mounting. For fireplace and shelf projects where a single, concealed steel support is needed across a substantial span, this Federal Brace bracket provides a defined, repeatable platform to build around.

    Color/Finish
    Black
    Length (in)
    46 in
    Width (in)
    4-1/2 in
    Height (in)
    3 in
    Weight Capacity
    200 lb
    Supplier Pack Size
    1
    Sold In
    1
    Color/Finish
    Black
    Length (in)
    46 in
    Width (in)
    4-1/2 in
    Height (in)
    3 in
    Weight Capacity
    200 lb
    Supplier Pack Size
    1
    Sold In
    1
    Item # FBFB-06338 • Mfr # FB-06338

    46" x 4-1/2" Floating Fireplace Mantel Bracket, Flat Black Finish

    Federal Brace

    Related Products

    46 in58 in
    4-1/2 in6-1/2 in
    0Cart
    0Cart
    $85.50/Each
    46" x 4-1/2" Floating Fireplace Mantel Bracket, Flat Black Finish
    Item# FBFB-06338 / MFR Part # FB-06338
    Each
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Each
    FBFB-07081
    Mfr# FB-07081
    46" x 6-1/2" Floating Fireplace Mantel Bracket, Flat Black Finish
    Sold in: 1 Each
    FBFB-06339
    Mfr# FB-06339
    58" x 4-1/2" Floating Fireplace Mantel Bracket, Flat Black Finish
    Each

    Drop Ship Item

    Please log in or register to get the expected shipment date.

    This item ships directly from the vendor. Additional freight charges may apply.

    Sold In: 1 Each

    Each