Series WITBH can be inserted into threaded, nonthreaded, drilled, or punched holes. While barbed mounting head grips to inside of hole, ribs deflect when pushed into hole then spring back for secure lock. RoHS-compliant series, offering 50 lb of tensile strength, comes in standard nylon 6/6 and heat-stabilized nylon 6/6, serviceable to 286°F. Products mount to range of materials, including wood, threaded metal, particleboard, plastic, foam, and rubber.