Optimized for use in straight holes, this ultrasonic insert is engineered for precision with a self-aligning lead-in feature ensuring accurate alignment during installation. Crafted from leaded brass, it offers durability and reliability, making it ideal for a wide range of applications. Our inserts are designed to provide a secure and permanent threaded connection, perfect for lightweight designs. With a thread size of M4 x 0.7, they are compatible with a variety of fastening needs. Not only are these inserts efficient and effective, but they also meet RoHS compliance standards, offering a lead-free alternative for environmentally conscious projects. Trust in the quality and performance of our ultrasonic inserts for all your assembly requirements.