Power Pro 5/16 In. x 3-3/8 In. TrussTite Structural Screw is designed exclusively to join engineered structural lumber, including parallel strand lumber (PSL), laminated strand lumber (LSL), and veneer lumber (LVL). Gone are the days of through bolts and dual-sided fastening – the TrussTite Structural Wood Screws your approach. Say goodbye to pre-drilling and the need to secure from both sides of the beams. These screws are engineered to eliminate complexity and streamline the process. With their innovative design, TrussTite Structural Wood Screws provide a reliable and efficient solution for joining engineered structural lumber. The proprietary corrosion-resistant coating ensures lasting durability and performance, making them an i choice for use with ACQ and other treated lumber types. Model Number: 49140