Self tapping threaded with cutting slot is a fastener for the creation of wear-free, vibration resistant screw joints with high loading capacity in materials with low shearing strength. (Metric ,UNC or UNF)

Self Tapping Thread Insert With Cutting Bores
Self Tapping Inserts are cylindrical metal bushings with internal and external threads and are specially designed to cut their own threads as they are being driven into a drilled hole. Self Tapping Inserts provide permanent wear resistant threads in a wide rang of materials, from tough to tap,high strength steeks to brittle plastics.By tapping its own thread,CL-Self pping insert eliminate the need for pre-tapped holes.