Increase spinout resistance with our specially designed insert featuring knurls under the head. Suitable for any thickness over .062”/1.57 mm, including blind applications, this insert boasts minimal backside protrusion ideal for restricted spaces. Available in various thread sizes and grip ranges, it is not your typical stock item. Crafted from low carbon steel with a durable cadmium plating, it ensures longevity and reliability. Note that the internal threads are oversized to accommodate shrinkage during installation, guaranteeing compatibility with Class 2A/3A or 6g screws post-installation. Upgrade your fastening solutions with this high-performance insert.