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48" Metal Shelf Support for Glass Shelves

Heavy-Duty Slatwall Support Arm

The Heavy-Duty Slatwall Support Arm is engineered to provide added strength and stability for demanding retail displays. Designed to attach directly to slatwall panels using multiple slots below the bracket, this support arm helps distribute weight evenly making it ideal for heavy loads and high-capacity hangrail installations.

Finished in chrome for a clean, professional look, this support arm works best when paired with rectangular tubing hangrail brackets and is also compatible with 12" or 14" slatwall shelf brackets. Integrated tightening screws ensure a secure, wobble-free connection for long-term retail use.

Key Features

·       Heavy-Duty Slatwall Support Arm for reinforced merchandising displays

·       Designed for Heavy Loads: Ideal for high capacity hangrails and shelves

·       Chrome Finish: Durable, polished look that complements modern retail fixtures

·       Secure Mounting: Uses multiple slatwall slots below the bracket for added strength

·       Tightening Screws Included: Ensures a stable, secure installation

·       Versatile Compatibility:

o   Works with 12"L rectangular tubing hangrail brackets

o   Compatible with 12"L or 14"L slatwall shelf brackets

Specifications

·       Finish: Chrome

·       Length: 11-3/4"

·       Mounting: Slatwall (multiple slot engagement)

Ideal for Heavy-Duty Retail Applications

This support arm is perfect for apparel retailers, showrooms, and stockrooms that require extra reinforcement for hangrails, shelving, and heavier merchandise. Its robust design helps prevent sagging while maintaining a clean, professional appearance on the sales floor.

FAQPopular Questions with Answers
$5.00
SKU
EC-3380

   Frequently Asked Questions and Answers


  • - 13 days ago
    Will slatwall shelf brackets fit panels from another supplier?

    Yes — provided your panels have standard 3-inch on-center groove spacing, which is the industry standard used by virtually all North American slatwall manufacturers. The brackets snap into the groove with no tools required. If you are unsure of your groov...
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  • - 13 days ago
    What is the difference between a faceout arm and a waterfall on a slatwall panel?

    A straight arm faceout holds all garments on the arm at the same depth from the wall. A waterfall cascades items at stepped depths — each garment is slightly further from the wall than the one before it, making individual items more visible during browsin...
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  • - 13 days ago
    How much weight can a slatwall shelf bracket hold?

    Weight capacity depends on the bracket depth, panel material, whether the panel has aluminum inserts, and how evenly the load is distributed across the shelf. For heavier loads — heavy boxed goods, tools, dense merchandise — use panels with aluminum inser...
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  • - 13 days ago
    Which faceout length should I use — 3", 6", 10", 12", or 14"?

    3" (EC-RW/3): Single-item spotlighting or very tight wall configurations. 6" (SRW6, EC-SW/6): Lighter merchandise or tighter wall zones. 10" (SFO-10R): A versatile mid-length suited for most apparel. 12" (SSW, SRW): The most widely used faceout length in ...
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  • - 13 days ago
    What is the difference between the SSW Basic Straight Arm and the SRW Straight Arm at 12"?

    The SSW is the economy version — simpler construction suited for standard display applications where finish quality is not the primary concern. The SRW is the retail-grade version with more refined construction and available in Chrome, Black, White, and R...
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  • - 13 days ago
    Does bracket depth affect weight capacity?

    Yes. A longer bracket creates a greater moment arm — the load is distributed farther from the wall, increasing stress on the groove. A 16" bracket under the same load as a 6" bracket puts significantly more stress on the slatwall groove. For heavy merchan...
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  • - 13 days ago
    The SFO-10R and SFO-14R round faceout brackets are listed under both slatwall and SoloSlat/Freewall — do they work on both systems?

    Yes. The SFO-10R and SFO-14R are confirmed compatible with slatwall, Freewall, SlatStrip, and SlatGrid systems — making them the most versatile faceout arms in the CSS lineup.
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  • - 13 days ago
    How many brackets do I need per shelf?

    Use two brackets per shelf as the minimum — one at each end of the shelf. For shelves wider than 48" or under heavy loads, add a center bracket. For glass shelves, use the dedicated glass shelf brackets (GSB series) and consider the EC-DSP48 48" continuou...
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  • - 13 days ago
    What bracket depth should I choose for different types of merchandise?

    6": small accessories, cosmetics, jewelry, narrow merchandise. 8": standard retail shelf for packaged goods, beauty, pharmacy. 10"-12": standard mid-depth retail shelf for most general merchandise. 14"-16": deeper shelves for boxed goods, folded apparel, ...
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  • - 13 days ago
    What is the Extendable Straight Arm (EC-RWA/9) and when is it worth the extra cost?

    The EC-RWA/9 is an adjustable-length faceout — it extends to multiple depth positions without tool changes. It is worth the added cost when your merchandise mix changes seasonally between lightweight and heavy items, or when you need the same arm position...
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  • - 13 days ago
    What is a shelf rest and when do I need one?

    A shelf rest (SRC) is a small clip that installs on the bracket tip to provide a stable contact point for glass shelves. Without a shelf rest, a glass shelf rests directly on bare metal — which can cause the glass to slide, rock, or scratch. Always use sh...
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  • - 13 days ago
    I am opening a handbag boutique — should I use hook waterfalls, ball waterfalls, or cube waterfalls?

    Ball waterfalls (SSW6) are the traditional choice for handbag display — the ball tip allows bag straps to drape naturally without the J-hook catching the strap hardware. Hook waterfalls (SSW5, SRW5H) are better for garments on hangers. Cube waterfalls (SR...
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  • - 13 days ago
    Why use a dedicated glass shelf bracket instead of a standard metal bracket with shelf rests?

    The dedicated Glass Shelf Brackets (GSB series) have rubber bumpers built in — they are factory-engineered for glass contact. Standard metal brackets with separately added shelf rests work, but the glass shelf bracket is the cleaner, more reliable solutio...
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  • - 13 days ago
    What is the 5 Hook Straight Arm (SRW5HSA) — is it a waterfall or a straight arm?

    The SRW5HSA is a hybrid — it has the profile of a straight arm but with 5 J-hook positions spaced along the arm length. Unlike a standard straight arm where all items hang from a single end point, the SRW5HSA distributes items at 5 positions along the arm...
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  • - 13 days ago
    Are glass shelf brackets compatible with Freewall and SlatStrip systems as well as standard slatwall?

    Yes. The GSB and BRK-GLB glass shelf brackets are listed in both the Slatwall Shelf Brackets (ID 96) and SoloSlat & Slatstrip Accessories (ID 123) categories — confirming compatibility with slatwall, Freewall, and SlatStrip systems.
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  • - 13 days ago
    What is the reinforced hangbar bracket (SSWFB-REIN) and when do I need it instead of the standard SSWF?

    The SSWFB-REIN is engineered for higher load applications — high-volume apparel environments, outerwear, heavy merchandise, or installations where the hangbar will be consistently loaded near its capacity. If you are running a standard boutique with light...
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  • - 13 days ago
    Can two glass shelf brackets support a 48" wide glass shelf without sagging?

    For a 48" wide glass shelf under full merchandise load, the EC-DSP48 48" Metal Shelf Support is strongly recommended over two point-support brackets. The EC-DSP48 provides continuous support across the full panel width, eliminating center sag — a common f...
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  • - 13 days ago
    What is the advantage of a U-shaped hangbar bracket (SW681 or SWR81) over two separate brackets?

    The U-shaped bracket combines both support points into one accessory that mounts across two slatwall grooves simultaneously. This ensures perfectly consistent hangbar spacing without measuring, speeds installation, and eliminates the risk of uneven bracke...
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  • - 13 days ago
    When should I use the Heavy Duty Wood Shelf Bracket (WSB-SHD) versus the standard Large (WSB-Lrg)?

    Use the WSB-SHD when the shelf will carry dense, heavy merchandise — canned goods, boxed hardware, hand tools, heavy folded denim, or any merchandise that will consistently load the shelf near its capacity. The WSB-Lrg is appropriate for standard retail l...
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  • - 13 days ago
    I need to build a hangbar run across three slatwall panels — how do I join tubing sections?

    Use Hangrail Tubing Joiners (HRTJ) to connect sections end-to-end. Joiners slide inside both tube ends at the join point, creating a continuous tube run. Use Rectangular Tubing Extension End Caps (WRK104) at each join point to finish the exterior. Always ...
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  • - 13 days ago
    When do I need the EC-3380 Heavy-Duty Slatwall Support Arm instead of standard shelf brackets?

    Specify the EC-3380 when standard bracket load ratings are insufficient for your merchandise weight — dense boxed goods, power tools, heavy hardware, automotive accessories, or any application where you expect to consistently load the shelf near or at the...
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  • - 13 days ago
    Can I use the standard SSWF hangbar bracket with the Freewall hangbars (SW194SP, SW195SP)?

    No. The Freewall hangbars (SW194SP, SW195SP) use 3/4" diameter tubing and require the curved SW166SP Freewall Hang Rail Bracket — they are not compatible with standard slatwall hangbar brackets. Mixing Freewall hangbars with standard slatwall brackets wil...
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  • - 13 days ago
    My jewelry store has a full run of 48" wide glass shelves on slatwall — do I need special support?

    For a full 48" glass shelf run under jewelry display loads, the EC-DSP48 48" Metal Shelf Support is the correct specification. Two point-support brackets at each end allow the glass to flex and potentially sag at the center under load. The EC-DSP48 spans ...
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  • - 13 days ago
    I run a T-shirt shop — can I display folded shirts on slatwall without a mannequin?

    Yes. The Slatwall Scarecrow Display Bracket (SSCARE) holds a folded T-shirt in a spread-arm position that fully shows the garment graphic from the front — no mannequin required. It is the standard solution for T-shirt, graphic tee, team apparel, and sport...
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