About This

• 【Comprehensive Kit】:The helicoil thread repair kit includes 1 twist drills, 1 screw taps, 1 installation tools, 1 breaking pin tools, 25 thread inserts, 1 hexagon wrench, and a storage box , allow you to have a smooth repairing experience.
• 【Wide Application】:This thread repair kit is for 5/16-18 inch to repair damaged or worn out threads, the drill bit is about 8.3 mm in diameter, this kit helps create a stronger internal thread in soft metals and protects tapped threads against wear and damage, ideal for engine repair and other automotive applications. Designed specifically for processing a variety of materials, including aluminum, iron, carbon steel, bronze, and magnesium.
• 【Easy to Use】:The 135° drill bit quickly clears space for installation tools, while HSS screw taps has a precise thread structure, enabling smooth installation of plug-ins for repairing old threads and broken tools.
• 【Premium Material】:Made from precision stainless steel wire, these hand tools deliver exceptional strength, wear resistance, and durability—improving connection integrity and fatigue resistance. The ergonomic rubber handle provides a secure, non-slip grip for maximum comfort during use.
• 【Storage Case】:The included iron carry case keeps all parts securely organized for easy transport and storage between jobs. The twist drill bits and screw taps feature engraved text marks, allowing for quick identification and efficient use—making your work more convenient and hassle-free.