# Simpson Strong-Tie® THDB25178H Heavy Duty Screw Anchor, 1/4 in dia, 1-7/8 in OAL, Hex Washer Head Drive, Carbon Steel

**Brand:** [SIMPSON STRONG-TIE](https://dev.maxsupplyco.com/brands/SIMPSON%20STRONG-TIE)
**SKU:** THDB25178H-12864
**MPN:** THDB25178H
**Price:** $0.74 · in stock
**URL:** https://dev.maxsupplyco.com/product/simpson-strong-tie-thdb25178h

## Features

- Code listed under IBC/IRC in accordance with ICC-ES AC193 for cracked and uncracked concrete per ICC-ES ESR-2713
- Code listed under IBC/IRC in accordance with ICC-ES AC106 for masonry per ICC-ES ESR-1056
- Qualified for static and seismic loading conditions
- Thread design undercuts to efficiently transfer the load to the base material
- Standard fractional size
- Specialized heat treating process creates tip hardness for better cutting without compromising the ductility
- No special drill bit required, designed to install using standard-sized ANSI tolerance drill bits
- Testing shows the Titen HD® installs in concrete with 50% less torque than competitor anchors
- Hex washer head requires no separate washer and provides a clean installed appearance
- Removable - ideal for temporary anchoring or applications where fixtures may need to be moved
- 3/8 in dia baseplate clearance hole
- 24 ft-lb maximum installation torque
- 1-3/4 in D minimum hole
- 1-1/2 in minimum edge distance
- 3 in minimum spacing
- 100000 psi yield strength

## Specifications

| Spec | Value |
|---|---|
| UPC | 707392403234 |
| Type | Heavy Duty |
| Brands | SIMPSON STRONG-TIE |
| Series | Titen HD® |
| Diameter | 1/4 in |
| Material | Carbon Steel |
| Head Size | 3/8 in |
| Height (in) | 0.25 |
| Length (in) | 1.875 |
| Manufacturer | Simpson Strong-Tie |
| Package Quantity | 1/Each |
| Standard Approvals | U S Patent 5,674,035/6,623,228City of Los Angeles RR25741RR25560Florida Statewide Product FL15730.7FM 301708230357613043442 |
| Manufacturer Part Number | THDB25178H |

## Description

Simpson Strong-Tie® Screw anchor, Heavy Duty, series: Titen HD®, 1/4 in dia, 1-7/8 in OAL, Hex Washer Head Drive, Carbon Steel, 1-5/8 in Minimum Embedment Depth, 1/4 in Drill, Zinc Plated, Applicable Materials: Concrete and Masonry, 3/8 in Head, 3-1/2 in Maximum Work Thickness, 2020 lb Shear Strength, 5195 lb Tensile. The Original High-Strength Screw Anchor For Use in Cracked and Uncracked Concrete, as Well as Uncracked Masonry. The Titen HD® Offers Low Installation Torque and Outstanding Performance. Designed and Tested in Dry, Interior, Non-Corrosive Environments or Temporary Outdoor Applications, The Titen HD® Demonstrates Industry-Leading Performance Even in Seismic Conditions.

Features

- Code listed under IBC/IRC in accordance with ICC-ES AC193 for cracked and uncracked concrete per ICC-ES ESR-2713

- Code listed under IBC/IRC in accordance with ICC-ES AC106 for masonry per ICC-ES ESR-1056

- Qualified for static and seismic loading conditions

- Thread design undercuts to efficiently transfer the load to the base material

- Standard fractional size

- Specialized heat treating process creates tip hardness for better cutting without compromising the ductility

- No special drill bit required, designed to install using standard-sized ANSI tolerance drill bits

- Testing shows the Titen HD® installs in concrete with 50% less torque than competitor anchors

- Hex washer head requires no separate washer and provides a clean installed appearance

- Removable - ideal for temporary anchoring or applications where fixtures may need to be moved

- 3/8 in dia baseplate clearance hole

- 24 ft-lb maximum installation torque

- 1-3/4 in D minimum hole

- 1-1/2 in minimum edge distance

- 3 in minimum spacing

- 100000 psi yield strength