1/4” x 3-1/2” Strong-Tie Zinc Titen HD Countersunk Head Concrete Masonry Screw

Simpson Strong-Tie has done it again! The Titen HD Countersunk Head Style THDB25312CS 1/4” x 3-1/2” is the Heavy-Duty Screw Anchor for concrete and masonry applications needing a flush profile. It’s strong enough for cracked and uncracked concrete, and qualified for seismic, static and windy conditions. This carbon steel, zinc plated mechanical anchor is designed for dry, indoor use.

The THDB25312CS is removable, making it suitable for temporary outdoor use, or applications where fixtures may need to be moved. Its 6-lobe drive reduces driver-bit cam-outs, making installation easier. Install this screw with the included T30 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. There are 50 screws per package. Order yours 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.