Simpson Strong-Tie 5/16" x 1-1/2" Hex-Head Sleeve-All Expanding Anchor is a pre-assembled, zinc-plated carbon steel sleeve anchor engineered for reliable, high-strength fastening in solid base materials such as concrete and brick. Designed with a hex head configuration for straightforward installation, this expanding sleeve anchor delivers secure mechanical holding power across a broad range of structural and light-duty anchoring applications - from complex infrastructure projects to everyday repair and renovation tasks. The pre-assembled design reduces installation steps on the jobsite, while the zinc-plated finish provides corrosion resistance suited for typical interior and protected exterior conditions.

Key Features

• Pre-assembled expanding sleeve design - arrives ready to drive, eliminating the need to assemble components on site and speeding up installation in solid base materials like concrete and brick
• Hex head with 7/16" wrench size - compatible with standard hex wrenches and sockets for a quick, torque-controlled installation without specialty tooling
• 5/16" anchor diameter with matching 5/16" drill bit requirement - drill bit and anchor diameter align exactly, ensuring a snug fit in the bored hole for maximum expansion and holding strength
• 1/4" bolt diameter with 20 TPI threading - standard coarse-thread pitch provides strong, reliable engagement with nuts and fixtures commonly used in structural fastening
• Zinc-plated carbon steel construction - the zinc finish guards against corrosion in typical indoor environments, while the carbon steel core delivers the structural strength demanded by demanding anchoring applications
• Max. fixture thickness of 3/8" - accommodates a range of fixture profiles, giving installers flexibility when fastening brackets, straps, plates, and other hardware to solid substrates

Why This Product

• The pre-assembled construction means no loose parts to manage on the jobsite - just drill a 5/16" hole, insert the anchor, and tighten to achieve a secure, expanding connection in solid concrete or brick
• The hex head style with a 7/16" wrench size makes this anchor compatible with common hand tools and power tools, reducing setup time and making it practical for both professional contractors and DIY users
• With a 1/4" bolt diameter and 20 TPI threading, this anchor accepts widely available hardware, making it a versatile fastening solution across a variety of structural and general construction tasks
• Simpson Strong-Tie's Sleeve-All line is engineered for use in all types of solid base materials, so this anchor remains a reliable choice whether the substrate is poured concrete, brick, or similarly dense masonry

Specifications

• Brand: Simpson Strong-Tie
• Anchor Diameter (in.): 5/16
• Bolt/Rod Diameter (in.): 1/4
• Drill Bit Diameter (in.): 5/16
• Head Type: Hex Head
• Wrench Size (in.): 7/16
• TPI: 20
• Max. Fixture Thickness (in.): 3/8
• Material: Carbon Steel
• Coating/Finish: Zinc Plated
• Country of Origin: China

Available Pack Options

• SL31112HP1: 1 Ea
• SL31112H: 100 Pk
• SL31112H -5: 500 Pk

Frequently Asked Questions

What size hole do I need to drill for this sleeve anchor?

This anchor requires a 5/16" diameter hole, which matches the anchor's outer diameter exactly. A correctly sized hole ensures the sleeve expands properly against the base material for a secure, reliable hold.

What wrench size is needed to install this hex-head anchor?

Installation requires a 7/16" wrench or socket. The hex head design is compatible with standard hand tools and power drivers fitted with a 7/16" socket, making installation straightforward without specialty tools.

What types of base materials is this anchor designed for?

The Sleeve-All expanding anchor is designed for use in all types of solid base materials, including concrete and brick. It is not intended for hollow or unsupported substrates, where a different anchor type would be required.

What is the maximum fixture thickness this anchor can accommodate?

The maximum fixture thickness supported by this anchor is 3/8". This means any plate, bracket, or hardware being fastened to the base material should not exceed 3/8" in thickness for proper anchor engagement and performance.

Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.