Simpson SL25138A Sleeve-All 1/4 in. x 1-3/8 in. Acorn-Head Sleeve Anchor is a pre-assembled, expanding sleeve anchor from Simpson Strong-Tie engineered for secure fastening in all types of solid base materials, including concrete and brick. Featuring a finished acorn head and zinc-plated carbon steel construction, this anchor delivers optimal performance across demanding structural applications and everyday installation projects alike.

Key Features

• Expansion anchor designed for use in solid base materials such as concrete and brick
• Acorn head style provides a clean, finished appearance for a wide range of applications
• Pre-assembled design simplifies installation and ensures consistent performance
• Zinc-plated carbon steel construction offers corrosion resistance and lasting durability
• Size: 1/4 in. x 1-3/8 in. - compact profile suitable for light-to-medium duty fastening tasks
• Requires a 1/4 in. drill bit for precise hole preparation
• Installed and tightened with a 3/8 in. wrench for straightforward, tool-friendly setup
• Part of Simpson Strong-Tie's broad Sleeve-All anchor line, available in acorn, hex, rod coupler, and flat head styles
• Caution: Oversized holes will make it difficult to set the anchor and will reduce the anchor's load capacity

Specifications

• MPN: SL25138A
• Brand: Simpson Strong-Tie
• Anchor Type: Sleeve-All Expanding Sleeve Anchor
• Head Type: Acorn Head
• Size: 1/4 in. x 1-3/8 in.
• Diameter: 1/4 in.
• Bolt/Rod Diameter: 3/16 in.
• TPI: 24
• Drill Bit Size: 1/4 in.
• Wrench Size: 3/8 in.
• Material: Carbon Steel
• Coating/Finish: Zinc Plated
• Packaging: Packs of 100 and Cartons of 500
• Country of Origin: China

Approved Applications

• Concrete - solid base material fastening for structural and general-purpose installations
• Brick - secure anchoring in solid masonry surfaces
• Grouted CMU - suitable for grouted concrete masonry unit applications
• Infrastructure projects requiring reliable mechanical anchor performance
• Do-it-yourself installations requiring easy, pre-assembled anchor solutions

Frequently Asked Questions

What base materials is the Simpson SL25138A Sleeve-All anchor compatible with?

This anchor is designed for use in all types of solid base materials, including concrete and brick. It is not intended for use in hollow base materials.

What size drill bit is required to install the SL25138A anchor?

A 1/4 in. drill bit is required to prepare the hole for this anchor. Using an oversized hole will make it difficult to set the anchor and will reduce the anchor's load capacity, so precise hole sizing is essential.

What wrench size is needed to tighten the SL25138A anchor?

A 3/8 in. wrench is used to install and tighten the SL25138A Sleeve-All anchor during installation.

What material and finish does the SL25138A anchor feature?

The SL25138A is constructed from carbon steel with a zinc-plated finish, which provides corrosion resistance and added durability for a variety of installation environments.

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