These Penn Elcom S1200-100 M8 T-nuts are manufactured from bright zinc-plated (BZP) steel for durable, corrosion-resistant performance. Featuring a precise M8x11mm thread, they are ideal for mounting castors, speakers, or hardware to wooden panels and enclosures. Each pack contains 100 t-nuts, offering a reliable solution for pro audio, flight case, and furniture assembly applications.