Avibulb® XT is a high performance structural breakstem fasteners with excellent bulbing tail formation, ideal for thin sheet materials. The new fasteners feature a wide grip range, especially suited for applications with varying sheet thicknesses. Avibulb XT is designed for use in applications such as automotive, truck and trailer, heating and ventilation, domestic appliances, industrial equipment, and renewable energies. Especially suited for applications with varying sheet thicknesses, Avibulb XT has the advantage of good hole fill compensating for irregular, oversized, or misaligned holes.