Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    Vernon Hills, IL
    (800) 289-2237
    Vernon Hills, IL
    Home
    Sign in / Register
    • 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
    0Cart
    0Cart
    Ladder Hardware
    1. Home
    2. Builders Hardware
    3. Ladder Hardware
    Item # QG40CRV13508 • Mfr # QG.40CRV135.08

    Inside Corner 30" Radius 135˚ Curved Rail, Black

    Description

    Inside Corner Curved Rail For Ladder Turns

    Inside Corner 30" Radius 135 Curved Rail defines a controlled 135 degree turn in a rolling library ladder run, so the ladder can follow an inside corner while staying guided by the rail geometry. This rail section is part of the Quiet Glide rolling library ladders product class, so it is designed for use within a coordinated ladder hardware system on library-style or similar installations. The 30" radius inside corner layout shapes the path of the ladder through the turn, helping you plan wall layouts and support locations around that fixed curve. The 135 degree inside corner angle changes the ladder travel direction significantly, which matters when you are routing a ladder around a room corner or an offset in the shelving line. The black finish on this curved rail supports dark-toned hardware layouts, which helps installers match visible ladder hardware to other black builders hardware in the space.

    Curved Rail Details That Support Ladder Layout

    • The 45 degree curved rail inside corner description defines this part as a turning section, so it serves where a straight ladder rail needs to change direction through an inside corner on a wall run.
    • The stated 30" radius gives a fixed curve size, which helps you dimension wall space and mounting support positions around the sweep of the ladder path as it passes through the inside corner.
    • The 135 degree curved rail designation indicates the turn angle the ladder rail will follow, which matters when aligning adjacent straight rail sections to maintain a continuous rolling path.
    • The Quiet Glide brand association ties this curved rail to rolling library ladder hardware, which helps you keep components within a single ladder hardware family for consistent fit and visual alignment.
    • The black finish reference in the product name defines the color of the rail, which lets you coordinate this curved section with other black ladder hardware or black builders hardware on the same project.

    Curved Rail Fit For Rolling Ladder Runs

    This 45 degree curved rail inside corner with 30" radius is shaped specifically for a rolling library ladder installation, so it provides a defined path as the ladder transitions around an inside corner. The 135 degree curve designation indicates how far the rail turns, helping you align adjoining rail segments so the ladder can roll smoothly through the corner. Because it belongs to the Quiet Glide ladder hardware category, this rail section works within rolling library ladders layouts that use Quiet Glide components. The 30" radius defines the tightness of the curve, so you can lay out shelving, cabinets, or other wall elements to clear the ladder path along that arc. The black description in the product name identifies the rail color, which matters wherever exposed ladder hardware needs to match other black elements on the project.

    Using This Quiet Glide Curved Rail Section

    Where This Inside Corner Rail Is Applied

    This Inside Corner 30" Radius 135 Curved Rail is used on rolling library ladders where the rail must turn through an inside corner instead of stopping at a straight wall end, so the ladder can continue along another wall section. The 45 degree curved rail inside corner description in the web text highlights its role as a directional change component, guiding the ladder around a corner while maintaining contact with the rail. The 30" radius defines how widely the rail sweeps through that turn, which affects how far the ladder projects into the room as it follows the curve. Because it is categorized under Builders Hardware and Ladder Hardware, this part fits into woodworking projects involving built-in shelving, cabinets, or library-style walls that support a rolling ladder route across multiple faces.

    Details That Help Achieve Consistent Ladder Travel

    The 135 degree curved rail designation describes the angular change built into this Quiet Glide component, so you can calculate how to position adjoining straight rail pieces to keep the ladder rolling smoothly around the corner. The 30" radius inside corner value fixes the curvature, which helps you repeat the same layout across multiple corners when you want identical ladder behavior along a room perimeter. Being part of the Quiet Glide rolling library ladders class ties this section to a known ladder hardware system, which supports consistent interaction between the ladder rollers and the curved rail profile at the corner. The black color reference allows you to maintain a uniform black rail line as it turns the corner, which matters when the ladder rail becomes a visible design element across connected wall sections.

    Common Questions About This Curved Ladder Rail

    What does the 30" radius on this rail affect?

    The Inside Corner 30" Radius 135 Curved Rail uses a 30" radius, which sets the sweep of the turn and helps you plan wall clearance and ladder path around the inside corner.

    How is this rail used in a rolling library ladder run?

    This Quiet Glide curved rail serves as an inside corner section in a rolling library ladders layout, allowing the ladder rail to change direction and follow another wall surface.

    What does the 135 degree curved rail description mean?

    The 135 degree designation on this curved rail describes the angle of the turn, which guides how you align straight rail sections so the ladder travels through the corner.

    How does the black finish matter in an installation?

    The black designation in the product name indicates a black rail color, which helps coordinate the curved rail with other black ladder hardware or black builders hardware.

    What product system does this curved rail belong to?

    This rail is identified with the Quiet Glide brand and the rolling library ladders product class, so it is part of a Quiet Glide ladder hardware system.

    Where does an inside corner curved rail make sense?

    An inside corner 30" radius 135 curved rail suits ladder layouts that wrap around room corners or turn along adjoining shelving walls while keeping a continuous rail path.

    Choose This Rail For Inside Ladder Corners

    This Inside Corner 30" Radius 135 Curved Rail, Black from Quiet Glide provides a defined 30" radius, 135 degree inside corner for rolling library ladders, which helps you design ladder runs that follow connected walls cleanly. By using a curved rail section that matches the rolling library ladders product class, you keep the rail geometry consistent through the turn so the ladder path stays controlled. The black rail color lets you continue a dark hardware theme along the corner, aligning with other black builders hardware on the project. For projects using Quiet Glide ladder hardware where the rail needs to turn through an inside corner, this 45 degree curved rail inside corner description item gives you a dedicated curved rail solution.

    Catalog
    O-38
    Color/Finish
    Black
    Product Type
    Inside Corner
    Angle
    45 Degree
    Radius (in)
    30 in
    Supplier Pack Size
    1
    Sold In
    1
    Catalog
    O-38
    Color/Finish
    Black
    Product Type
    Inside Corner
    Angle
    45 Degree
    Radius (in)
    30 in
    Supplier Pack Size
    1
    Sold In
    1
    Quiet Glide
    BlackOil Rubbed BronzeSatin NickelHammered Antique Brass
    90 Degree45 Degree
    15 in30 in
    $273.66/Each
    Inside Corner 30" Radius 135˚ Curved Rail, Black
    Item# QG40CRV13508 / MFR Part # QG.40CRV135.08
    Each
    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