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
    0Cart
    0Cart
    Wall Anchors
    1. Home
    2. Fasteners
    3. Wall Anchors

    Description

    Wall Anchors 3/8" Min Wall For Demanding Jobs

    Wall Anchors 3/8" Min Wall from Mechanical Plastics Corp are ALLIGATOR drywall anchors designed to hold high loads in solid walls, ceilings, and floors, giving installers a dependable fastening point in typical structural substrates. These ALLIGATOR anchors are also engineered to hold securely when they encounter an unexpected cavity, such as in hollow brick or hollow block, so a single anchor type can handle variable wall conditions on the same project. The anchors perform in drywall and tile over drywall as well, extending their usefulness across common interior finishes. A specially formulated polypropylene body flows into and locks up with any undercuts in the hole, helping the anchor adapt to minor drilling irregularities. This same polypropylene body bonds the screw to the wall and seals the hole to prevent moisture from entering, which supports long-term performance in standard interior environments.

    Key ALLIGATOR Wall Anchor Performance Details

    • ALLIGATOR anchors are designed to hold high loads in solid walls, ceilings, and floors, so fastenings in concrete or solid masonry get strong mechanical engagement for demanding supports.
    • The anchors also hold securely when they encounter an unexpected cavity in hollow brick or hollow block, helping maintain grip even when the base material changes behind the finish.
    • Performance in drywall and tile over drywall allows one anchor style to serve typical interior wall and tile-backed applications, simplifying anchor selection on mixed-surface jobs.
    • The specially formulated polypropylene body flows into undercuts in the hole, locking up mechanically with the base material to resist pullout under load.
    • This polypropylene body bonds the screw to the wall, creating a unified anchor-and-screw interface that helps stabilize mounted components during use.
    • By sealing the hole to prevent moisture from entering, the anchor helps limit moisture intrusion at the fastener point, supporting durability of surrounding finishes.

    Installation Behavior And Substrate Interaction

    These ALLIGATOR drywall anchors use a polypropylene body that flows into and locks up with any undercuts in the drilled hole, so normal drilling roughness can translate into additional mechanical keying. That flow characteristic means the anchor adapts to the shape of the hole in solid walls, ceilings, and floors, creating a customized fit for each fastening point. When the anchor encounters hollow brick, hollow block, or drywall, it still locks into available undercuts, so the installer retains holding power even across cavities. As the screw is driven, the polypropylene bonds the screw to the wall, turning the separate components into a single load-bearing assembly. At the same time, the material seals the hole to prevent moisture from entering, which helps protect the fastening point in typical interior conditions.

    How ALLIGATOR Anchors Perform In Real Surfaces

    Where These Drywall Anchors Are Applied

    ALLIGATOR wall anchors are designed to hold high loads in solid walls, ceilings, and floors, so they serve in solid substrates where heavier-duty fastening is required. The same anchors also hold securely when they encounter an unexpected cavity in hollow brick or hollow block, allowing use across masonry units that have voids behind the face. Because they perform in drywall, they suit interior partitions where a cavity exists behind the board. Their performance in tile over drywall means they address situations where a hard tile surface covers a drywall backing, such as tiled walls in standard interior rooms. Across these conditions, the polypropylene body flows into and locks up with any undercuts in the drilled hole, forming a mechanical interlock tailored to the specific base material.

    Why The Polypropylene Body Matters For Results

    The specially formulated polypropylene body in these ALLIGATOR anchors flows into and locks up with undercuts in the hole, turning small surface irregularities into grip points that increase resistance to pullout. As the screw is driven, this same polypropylene bonds the screw to the wall, so the screw and anchor act together as a unified fastening system instead of separate components. That bonding behavior helps stabilize attached fixtures because the load is shared along the full length of the engaged material. By sealing the hole to prevent moisture from entering, the polypropylene also helps protect the immediate bore area from moisture ingress, which supports the integrity of the substrate around the fastener. In ceilings, floors, solid walls, hollow brick, hollow block, drywall, and tile over drywall, these combined effects translate the anchor design into consistent field performance.

    Common Questions About ALLIGATOR Wall Anchors

    What type of wall anchor is the 13101 model?

    The 13101 model is an ALLIGATOR wall anchor classified as a drywall anchor, so it is intended for use where drywall is part of the wall assembly.

    In which materials can these ALLIGATOR anchors be used?

    These ALLIGATOR anchors are designed to hold in solid walls, ceilings, and floors and also hold securely in hollow brick, hollow block, drywall, and tile over drywall.

    How does the polypropylene body affect holding power?

    The specially formulated polypropylene body flows into and locks up with undercuts in the hole, increasing mechanical interlock and helping the anchor resist pullout under load.

    Why does bonding the screw to the wall matter?

    By bonding the screw to the wall, the polypropylene body creates a unified anchor-and-screw system, which helps stabilize mounted items during everyday use.

    What is the role of moisture sealing at the hole?

    Sealing the hole to prevent moisture from entering helps protect the immediate fastener area, supporting the surrounding substrate and finish over time.

    How does this anchor respond to unexpected cavities?

    When these anchors encounter an unexpected cavity in hollow brick, hollow block, or drywall, the design still holds securely by locking into available undercuts.

    Select ALLIGATOR Anchors For Mixed Wall Conditions

    Choosing ALLIGATOR Wall Anchors 3/8" Min Wall from Mechanical Plastics Corp provides a single anchor style that is designed to hold high loads in solid walls, ceilings, and floors while still holding securely in hollow brick, hollow block, drywall, and tile over drywall. The specially formulated polypropylene body flows into and locks up with undercuts in the hole, bonds the screw to the wall, and seals the hole to prevent moisture from entering, turning each drilled hole into a tailored, moisture-resistant fastening point ready for demanding interior applications.

    Supplier Pack Size
    10
    Sold In
    1
    Supplier Pack Size
    10
    Sold In
    1
    Item # MP13101 • Mfr # 13101

    Wall Anchors 3/8" Min Wall

    Select Mfr # / Item #

    MECHANICAL PLASTICS CORP
    51% off
    Price Drop
    $13.19$26.80/BoxYou save $13.61
    Wall Anchors 3/8" Min Wall
    Item# MP13101 / MFR Part # 13101
    Box
    Box
    In Stock

    Sold In: 1 Box

    Box