Description
Helicoil 5521-4 Thread Repair Kit, 1/4″ x 20 NC provides an effective solution for repairing damaged or worn 1/4″ x 20 NC threads. This high-quality kit includes everything needed for quick and permanent thread repair in a variety of automotive, industrial, and mechanical applications. The Helicoil Thread Repair Kit 1/4″ x 20 NC 5521-4 ensures reliable results for both professional and DIY use.
Features:
- 1/4-20 Coarse, Thread Repair Kit
- Includes 12 stainless steel inserts, tap, installation tool, and complete instructions
- Repairs damaged or stripped tapped holes
- Made from high-quality, durable materials
- Comes in convenient carded packaging for easy storage
- Easy to use for both professionals and DIY users
Benefits:
- Restores damaged threads to their original strength and size
- Prevents the need for costly replacements by offering a reliable repair solution
- Ensures long-lasting repairs in a wide range of applications
- Simple and straightforward to use with clear instructions
- High-quality construction for durable, consistent results
Technical Specifications:
- Model: 5521-4
- Thread Size: 1/4″ x 20 NC
- Inserts Per Kit: 12
- Application: Repairing tapped holes
- Packaging: Carded packaging
- Material: Stainless steel inserts





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