General description 30pcs thread repair kit including 25 pieces Helicoil M5 inserts and other installation tools. This kit is suitable for restoring damaged threads, ensuring a reliable and durable repair. Technical specifications Thread size: M5 x 0.8mm Drill bit size: 5.2mm Material: Stainless steel inserts, HSS drill bit and tap Number of inserts: 25 pieces Installation 1. Drilling 2. Tapping 3. Installation of the insert 4. Breaking the mounting handle