1/2" x 3" Strong-Tie THD50300H Titen HD Screw Anchor, Zinc, Pkg 25 Slotted Hex Blue Concrete Screws No predrilling required for standard

No predrilling required for standard 20- to 16-gauge steel

5-inch lally columns and Triple 2x10/12 girders but is also available in a wide range of other sizes

Dual-Purpose Design: Functions as both a purlin anchor and a strap-tie holdown for multiple framing applications

Installed before the concrete cures

Racking systems and equipment anchoring

1/2" x 3" Strong-Tie THD50300H Titen HD Screw Anchor, Zinc, Pkg 25 Slotted Hex Blue Concrete Screws No predrilling required for standardSimpson Strong Tie Titen HD Concrete Screws are engineered for superior performance in cracked and uncracked concrete and masonry. These high strength, code listed mechanical anchors are the go to choice for pros who demand reliability, fast installation, and job tested holding power. Each anchor features a patented cutting thread and alternating raised rib design that bites hard into concrete, eliminating the need for secondary expansion. The result?