# 1/4” x 1-7/8” Strong-Tie Zinc Titen HD Countersunk Head Concrete Masonry Screw

> Simpson Strong-Tie Titen HD Countersunk Head Concrete Masonry Screw THDB25178CS 1/4" x 1-7/8". Heavy-duty mechanical anchor for concrete & masonry applications with flush-mount requirements. Easy installation - available at Nail Gun Depot

- **URL:** https://www.nailgundepot.com/simpson-strongtie-thdb25178cs-titen-hd-countersunk-head-style
- **Breadcrumbs:** Home > 1/4” x 1-7/8” Strong-Tie Zinc Titen HD Countersunk Head Concrete Masonry Screw
- **SKU:** THDB25178CS
- **Brand:** Simpson Strong-Tie
- **Price:** 94.09 USD
- **Availability:** InStock

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SKU#: THDB25178CS
BOX COUNT: 100

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![1/4” x 1-7/8” Simpson Strong-Tie THDB25178CS Zinc Titen HD Countersunk Head Concrete Masonry Screw](https://www.nailgundepot.com/media/catalog/product/a/_/a_thd37xxxcs_prodpho_pho_prod_profile_c0_4.jpeg)

![1/4” x 1-7/8” Simpson Strong-Tie THDB25178CS Zinc Titen HD Countersunk Head Concrete Masonry Screw min. hole depth overdrill](https://www.nailgundepot.com/media/catalog/product/t/i/titen_hd_countersunk_hd_installation_3.jpg)

![1/4” x 1-7/8” Simpson Strong-Tie THDB25178CS Zinc Titen HD Countersunk Head Concrete Masonry Screw install](https://www.nailgundepot.com/media/catalog/product/a/_/a_thdcs_instpho_pho_inst_titenhd-countersunkhead-bracket_c0_7.jpeg)

![1/4” x 1-7/8” Simpson Strong-Tie THDB25178CS Zinc Titen HD Countersunk Head Concrete Masonry Screw hollow metal door frame](https://www.nailgundepot.com/media/catalog/product/a/_/a_thdcs_instpho_pho_inst_titenhd-countersunkhead-door-frame-t30_c0_7.jpeg)

### $94.09

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## **$68.69**

#### PRODUCT OVERVIEW

In need of a mechanical anchor that will provide a flush-mount profile? You're in luck! Simpson Strong-Tie has debuted a mechanical anchor that does it all. The Titen HD Countersunk Head Style Heavy-Duty Screw Anchor THDB25178CS 1/4” x 1-7/8” is perfect for cracked and uncracked concrete and masonry applications. This carbon steel, zinc plated screw is designed for dry, indoor conditions and temporary outdoor use as well.

The THDB25178CS delivers low torque upon installation and is easy to drive. Simply install with a standard drill. For added value, the THDB25178CS comes with a T30 drill bit. Recommended fixture hole size is 3/8” to 7/16”. CODE listed under IBC/IRC in accordance with ICC-ES AC193, ACI 355.2 for cracked and uncracked concrete, and ICC-ES AC106 for masonry. Package contains 100 screw anchors. Order today!

**Compatible Tools:** Standard-sized ANSI Tolerance Drill Bit with Driver (Universal)

**Suitable Applications:** Dry, interior, non-corrosive environments or temporary outdoor applications. Ideal for temporary anchoring (ex: formwork, bracing) or applications where fixtures may need to be moved.

**Interchangeable Fasteners:** N/A

**Please Note:** Depending on availability, we may substitute this product with an identical interchange from another name-brand, such as Senco, Spotnails or SureFit. Product specifications, box count and build quality will remain identical, but may arrive in alternate packaging. If you have specific brand requirements for your fastener order, please specify in the comments section during checkout.

SPECIFICATIONS

**Resources**

**[Technical Data](https://ssttoolbox.widen.net/view/pdf/ki3hz9argf/S-A-THDCNSNK20-R.pdf?t.download=true&u=cjmyin)**

**Box Count**
100

**SKU**
THDB25178CS

**UPC**
707392003151

**Fastener Length**
1-7/8"

**Application Type**
Concrete

**Brand**
Simpson Strong-Tie

**Condition**
New

**Tool Compatibility**
Carbide Drill Bit & Driver (Universal)

**Fastener Treatment**
Zinc Plated

**Product Color**
Silver

**Fastener Material**
Carbon Steel

**Fastener Head Type**
Countersunk

**Fastener Head Diameter**
1/4"

**Rating/Certification Provided**
ACI 355.2, AC193 and AC106

**Drive Type**
6-Lobe

**Included In Box**
Driver Bit

**Manufacturer's Warranty**
Limited

**Special Features**
Removable, Qualified for Static, Wind & Seismic Conditions

**Usage Type**
Interior, Dry, Non-Corrosive Environments & Temporary Exterior

**Product Type**
Mechanical Anchors

**Special Offer**
No

**Series**
Titen HD Heavy-Duty

#### QUESTIONS & ANSWERS

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#### TECHNICAL RESOURCES

**[Technical Data](https://ssttoolbox.widen.net/view/pdf/ki3hz9argf/S-A-THDCNSNK20-R.pdf?t.download=true&u=cjmyin)**

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_Source: [Nail Gun Depot](https://www.nailgundepot.com/)_
_Generated: 2026-10-29T21:28:23.686Z_