M5*0.8-10mm self tapping inserts coils for thread holes

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. Features: 1. Self tapping 2. no pre-tapping required 3. Very high pull-out resistance 4. Highly resistant to vibration, can withstand vibration without loosening 5.Produces high quality, permanent,wear-resistant threads 6. Unlimited thread re-usability 7. Protects expensive components from