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HILLMAN 5/16 in. D X 1-1/2 in. L Steel Hex Head Sleeve Anchors 35 pc

Hillman’s 5/16 in. diameter x 1-1/2 in. long Steel Hex Head Sleeve Anchors are a reliable solution for mounting fixtures to masonry surfaces. This boxed set of 35 anchors is built…

Hillman MPN 370825 In Stock & Ready to Ship
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About Product Overview

Hillman’s 5/16 in. diameter x 1-1/2 in. long Steel Hex Head Sleeve Anchors are a reliable solution for mounting fixtures to masonry surfaces. This boxed set of 35 anchors is built for dependable performance in brick, concrete, and hollow block, delivering a flush, secure hold every time.

  • Size and components: 5/16" diameter with a 1-1/2" length; hex head for easy driving; screw included (1-1/2" long) to complete the install.
  • Embedment and hole size: minimum embedment of 1-3/8"; requires a 5/16" drill hole.
  • Material and design: steel sleeve anchors with a high/low thread for a strong grip and reliable expansion in masonry.
  • Applications: ideal for brick, concrete, and hollow block installations—mount shelves, brackets, lighting, pipes, or fixtures that need a solid anchor.
  • Performance: capacity up to 260 lbs per anchor (depends on substrate and correct installation).
  • Packaging: boxed set of 35 anchors, ready to use on the job site.

Why this Hillman sleeve anchor set stands out

Unlike generic fasteners, these sleeve anchors are purpose-built for masonry: as you tighten the included screw, the sleeve expands behind the wall to create a robust, vibration-resistant hold. The hex head design makes insertion and final torque accessible with common wrenches or drivers, even in tight spaces. With a precise 1-3/8" minimum embedment, you get consistent performance in a range of masonry substrates, reducing installation guesswork on the job.

Ideal use cases

  • Mounting wall brackets for storage shelves in basements or garages.
  • Securing light fixtures, conduit runs, or outdoor fixtures to brick or concrete walls.
  • Installing handrails or railing brackets to hollow block or solid masonry structures.
  • Attaching heavy hardware where a flush, professional finish is required.

Installation at a glance

  1. Mark the anchor location and select a drill bit matching the 5/16" hole size.
  2. Drill a hole to at least 1-3/8" depth, then clean out debris from the hole.
  3. Insert the 5/16" sleeve anchor until the hex head sits flush against the surface.
  4. Place the fixture over the anchor hole and drive the included screw to tighten.
  5. Continue until the sleeve expands behind the masonry for a secure hold. Avoid over-tightening to prevent substrate damage.

Whether you're upgrading a workshop, outfitting a garage, or finishing a masonry project, the Hillman 5/16 in. sleeve anchors deliver a dependable, straightforward mounting solution with ready-to-use hardware and a clear path to solid, lasting results.

The Details Specifications

Brand Hillman
SKU 5305149
UPC 008236561524
Unit 0
Case Pack Quantity 22 per case
Retail Unit Quantity 1
Unit of Measure 35 BX
Dimensions (L × W × H) 4 × 3 × 3
Weight 2 lbs
Cubic Feet 0.02458 ft³
Country of Origin TAIWAN
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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