Blind-end protection shields threads from plastic intrusion, making these aluminum inserts an essential component for lightweight design projects. Offering a lead-free alternative, they are crafted meticulously to ensure durability and reliability. Perfect for metric applications, these molded-in threaded inserts boast a thread size of M4 x 0.7, guaranteeing a seamless fit every time. Whether for industrial or DIY use, their high-quality construction makes them a versatile and indispensable tool in any toolkit.