Böllhoff Somun Perçin / Perçin Somunu, M4, Çelik

Self-tapping threaded insert

• Set of inserts with an inner and outer thread.
• Equipped with a cutting slot, these inserts are suitable for most applications.
• In most materials, these inserts contract close to the slot and slightly inwards due to the spring-effect, which locks the screw.
• Used throughout metal, plastics and composite materials industries.