The Simpson Titen 1/4 in. x 1-3/4 in. Hex-Head Stainless-Steel Concrete and Masonry Screw is engineered by Simpson Strong-Tie for fast, reliable fastening of components directly to concrete, brick, grout-filled CMU, hollow-block, and select preservative-treated wood surfaces. Built from Type 410 stainless steel with a zinc-plated protective overcoat, this hex-head concrete screw threads directly into a pre-drilled hole without a separate anchor, delivering the medium-level corrosion resistance and consistent structural performance that contractors and specifiers trust across demanding applications.

Key Features

• Type 410 stainless steel construction with zinc-plated protective overcoat - provides a medium level of corrosion resistance, making these masonry screws a dependable choice for installations in environments where standard carbon-steel fasteners would be vulnerable to corrosion.
• Hex-head drive style - allows for high-torque installation with a standard nut driver or hex-head bit, reducing cam-out and speeding up fastening compared to Phillips-head screws in demanding base materials.
• Compatible with concrete, brick, grout-filled CMU, hollow-block, and some preservative-treated wood - gives the installer versatility across a wide range of base materials without needing to stock multiple anchor types.
• Direct-thread installation into a pre-drilled hole - eliminates the need for a separate anchor or insert, saving time and reducing the number of components required on the job site.
• Requires a 3/16 in. drill bit, included in each box - the correct pilot bit ships with the screws, so installers can begin work immediately without sourcing a separate bit.
• Suitable for attaching electrical boxes, light fixtures, and similar components to concrete and masonry - makes these stainless concrete screws a practical go-to fastener for both structural and finish-trade applications.

Why This Product

• Trusted Simpson Strong-Tie engineering - Simpson Strong-Tie mechanical anchors are specifically designed for optimum performance under demanding structural applications, giving specifiers and contractors confidence in load-bearing and safety-critical installations.
• Stainless steel where standard zinc anchors fall short - the Type 410 stainless steel material and zinc-plated overcoat make these Titen screws the right call for installations in moderately corrosive conditions where a standard concrete screw would deteriorate prematurely.
• Ready-to-install kit format - the appropriately sized 3/16 in. drill bit is included in each box, eliminating a separate purchase and ensuring the correct bit is always paired with the correct screw.
• Multi-application compatibility in a single fastener - from poured concrete and brick to hollow-block CMU and certain preservative-treated wood substrates, these hex-head masonry screws reduce the need for multiple fastener SKUs across a project.

Specifications

• Model Number: TTN25134HSS
• Brand: Simpson Strong-Tie
• Diameter: 1/4 in.
• Length: 1-3/4 in.
• Head Type: Hex
• Material: Type 410 Stainless Steel
• Finish: Type 410 Stainless Steel with Zinc-Plated Protective Overcoat
• Drill Bit Diameter: 3/16 in.

Approved Applications

• Concrete fastening
• Brick fastening
• Grout-filled CMU (concrete masonry unit) applications
• Hollow-block applications
• Some preservative-treated wood applications
• Attaching electrical boxes, light fixtures, and similar components to concrete and masonry

What's Included

Each pack contains (100) Stainless Steel Concrete Screws, One drill bit is included in each box.

Frequently Asked Questions

What material are the Simpson TTN25134HSS Titen screws made from?

These Titen screws are made from Type 410 stainless steel and feature a zinc-plated protective overcoat, providing a medium level of corrosion resistance suitable for a variety of installation environments.

What size drill bit is required to install these Titen screws?

A 3/16 in. diameter drill bit is required for installation. Conveniently, one appropriately sized drill bit is included in each box.

What base materials are these Titen screws compatible with?

The TTN25134HSS Titen screws are suitable for use in concrete, brick, grout-filled CMU, and hollow-block applications. They are also suitable for some preservative-treated wood applications.

What is the head type and size of this Titen screw?

This is a hex-head Titen screw measuring 1/4 in. in diameter and 1-3/4 in. in length, designed for easy driving and secure fastening in concrete and masonry base materials.

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