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Internet # 204402234

Model # 11279

Store SKU # 1000017936

3/8 in. x 1-7/8 in. Hex Sleeve Anchor (25-Pack)

Contains 25 anchors
$16.36
(65¢ /anchor)
  • Red head sleeve anchors for solid concrete, hollow block, brick
  • Red head sleeve anchors for electrical boxes, ledger boards, etc.
  • Red head sleeve anchors are commercial building code approved
  • View More Details

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Return this item within 90 days of purchase.

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Product Details

About This Product

Red Head 3/8 in. x 1-7/8 in. Zinc-Plated Steel Hex-Nut-Head Sleeve Anchors (25-Pack) are designed for concrete anchoring applications in porous concrete, hollow or grout-filled block and brick. Red Head Sleeve Anchors can be used to install hand rails, machinery and supports, window frames, partitions, cabinets and pipe supports. Red Head Sleeve Anchors are contractor grade and building code approved.

Highlights

  • Designed for anchoring into porous concrete, hollow or grout-filled block and brick
  • Ideal for hand rails, window frames, partitions, cabinets, shelves and pipe supports
  • Anchor diameter equals hole diameter
  • Zinc plated carbon steel
  • Provides full 360° hole contact over large area and reduces concrete stress
  • Heavy-loading capacity
  • Preassembled for faster, easier installations
  • Includes pre-assembled nut and washer
  • Includes pre-assembled nut and washer
  • Click here to see more Red Head Concrete Anchoring Solutions
  • Return Policy

Product Information

Internet # 204402234

Model # 11279

Store SKU # 1000017936

Specifications

Dimensions

Anchor Diameter (in.)

3/8"

Anchor Length (in.)

1.875

Details

Fastener Material

Carbon Steel

Fastener Type

Sleeve Anchors

Fastening Base Material

Brick, Cinder Block, Concrete

Interior/Exterior

Interior

Maximum Weight Capacity (lb.)

0

Measurement System

Inches

Package Quantity

25

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

ITW Brands warrants that this product is free from defects in material and workmanship. ITW Brands' sole liability for any breach of this warranty shall be to replace this product or refund the purchase price.

Questions & Answers

What is the thread of the bolt that screws into the anchor?
ByMar 25, 2026
1 Answer | 
Answer This Question

Hi there - thank you for contacting us. To better assist you, please feel free to call us at (800)222-6990 or email us at redhead@itwbrands.com, if you have any questions.

By|Mar 28, 2026


    Can these be used to secure pressure treated lumber to exterior brick on a house
    ByAug 5, 2025
    1 Answer | 
    Answer This Question

    Thank you for reaching out to us, Steve. Sleeve anchors work well when voids are possibly behind such as brick, block, and hollow masonry. Since this would be exposed to the elements, the 304 stainless style may be considered. Please feel free to call us at (800) 222-6990 or email us at redhead-website@itwbrands.com with any questions.

    By|Aug 12, 2025


      I am attaching a window well to a CMU block foundation wall. The minimum embedment for this anchor is 1.5 inches but the block has 1.25 inch minimum wall thickness. Will these work for this application?
      ByFeb 3, 2024
      1 Answer | 
      Answer This Question

      Hi - Thanks for your question! For application specific questions, please reach out directly to our customer service team at 877-489-2726.

      By|Feb 5, 2024


        How much weight will it hold?
        ByJan 26, 2023
        1 Answer | 
        Answer This Question

        Check the specifications table because the answer depends on how hard the material they are embedded into is, and if you are concerned with tension or shear strength. The lowest value I saw is 1160 lb for a 3/8" anchor in soft masonry

        By|Sep 28, 2023

          (2)

          What size drill bit do i need for these
          ByJul 23, 2019
          4 Answers | 
          Answer This Question

          3/8” masonry bit with a hammer drill.

          By|Jan 19, 2025

            (2)

            3/8"

            By|Mar 15, 2025

            (1)

            All installation instructions are on the packaging, but you need a 3/8in diameter drill bit. You want to make the hole slightly deeper than the length you choose to ensure a snug fit before tightening the nut.

            By|Jul 23, 2019

            3/8 concrete drill

            By|Mar 19, 2021


              Im hanging a pull up bar in cinder block wall, how much weight will these hold?
              ByJun 22, 2018
              1 Answer | 
              Answer This Question

              The RedHead spec sheet says tension up to 1360 lbs, shear up to 2560 lbs.

              By|Sep 5, 2022

                (2)

                How do you get these out of a brick wall? We are sheet rocking over the brick and want to put longer bolts in their place for remounting our tv once the new drywall
                ByMar 22, 2018
                2 Answers | 
                Answer This Question

                They cannot be removed. You need to cut them off flush and drill new holes since the sleeve compresses as you tighten the nut. If you force them out, you risk damaging the brick or concrete they are anchored in and if they do come out, the hole will no longer be the correct diameter for the anchor.

                By|Jul 23, 2019

                Hi kcg65. These anchors are not removable from your wall. in order to refinish with sheet rock over brick, you will most likely have to remove the nut/washer and grind the anchor down until it is flush with the brick. If you have any further questions, please contact customer service at 877-489-2726.

                By|May 5, 2023


                  How much weight does one anchor hold?
                  ByMar 4, 2018
                  2 Answers | 
                  Answer This Question

                  It depends on the application. Pull out strength and holding strength are much different. If you mount this to a wall and are hanging something from it, holding strength will be well over 5000lb based on the material and diameter. If you are asking about pullout strength, that depends on the material it is secured to...brick, stone, concrete, etc. The wall material will fail before the fastener.

                  By|May 17, 2022

                    (1)

                    Maybe 400 pounds for square feet

                    By|May 5, 2023

                      (1)

                      Viewing 1-8 of 10

                      Customer Reviews

                      4.7 out of 5

                      • 4.7 out of 178 reviews
                      • 100% recommend this product
                      Filter by:
                      Showing 1-10 of 178 reviews
                      These were bought to secure a 30' wall to cinder block wall, they worked great, very easy to use,
                      by
                      Response from ITW BrandsJul 14, 2025
                      Hi there - thank you for sharing your positive experience with our Redhead Sleeve Anchor. We work hard to make sure our products are well designed.
                      • Verified Purchase
                      Idea for proper fasten vertical patio supports to cement slab.
                      Idea for proper fasten vertical patio supports to cement slab.
                      by
                      • Verified Purchase
                      • Recommended
                      Easy to use, works well for proper applications. Just be sure...
                      Easy to use, works well for proper applications. Just be sure to drill the holes to the proper depth, because if very difficult to remove the anchor bolt after hammering it in.
                      by
                      • Verified Purchase
                      1 found this review helpful
                      This customer chose to rate the product and not provide text.
                      by
                      • Verified Purchase
                      incredibly durable and does the job.
                      by
                      This customer chose to rate the product and not provide text.
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                      • Verified Purchase
                      This customer chose to rate the product and not provide text.
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                      • Verified Purchase
                      I used these on a metal railing I installed the other day. Perfect length for the job.
                      by
                      Response from ITW BrandsJul 17, 2026
                      Hi there - thank you for sharing your positive experience with our Redhead Sleeve Anchors. We work hard to make sure our products are well designed.
                      This customer chose to rate the product and not provide text.
                      by
                      • Verified Purchase
                      This customer chose to rate the product and not provide text.
                      by
                      • Verified Purchase
                      Showing 1-10 of 178 reviews

                      Compare Key Features

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                      Product Snapshot

                      Ideal for heavy-duty anchoring in concrete, block, and brick. Easy installation with pre-assembled nut and washer.
                      Ideal for heavy-duty anchoring in concrete, block, and brick. Easy installation with pre-assembled nut and washer.
                      Ideal for solid base materials, this hex head anchor offers easy installation and reliable performance for various applications.
                      Ideal for heavy-duty anchoring in concrete, block, and brick. Easy installation with pre-assembled nut and washer.

                      Load Capacity

                      Heavy-loading capacity
                      Heavy-loading capacity
                      0 lb
                      Heavy-loading capacity

                      Diameter

                      3/8 in.
                      0.5 in.
                      3/8 in.
                      1/2 in.

                      Length

                      1.875 in.
                      4 in.
                      1.875 in.
                      3 in.

                      Corrosion Resistance

                      Indoor/Outdoor Use