Expansion Inserts are an easy to assemble alternative to other types where a durable thread is required, but the high pull-out resistance of a self-tapping or heat/ultrasonic is not essential.
Expansion Inserts are available in a parallel (Series 81) and headed (Series 82) version and are stocked in brass
Visit the Technifast Ltd website for more information on Expansion Inserts Series 81 (parallel)