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🔧 Fix it right, fix it fast — don’t let stripped threads slow you down!
The Heli-Coil 5521-8 1/2-13 Inch Coarse Thread Repair Kit is a professional-grade solution designed to restore damaged or stripped tapped holes. Featuring 6 stainless steel inserts, a dedicated tap, and installation tool, this kit ensures durable, corrosion-resistant repairs. Compactly packaged with detailed instructions, it’s a top-ranked, reliable choice for automotive and industrial thread restoration.
| ASIN | B0002SREOU |
| Best Sellers Rank | #143,645 in Automotive ( See Top 100 in Automotive ) #5 in Thread Inch Inserts & Repair Kits |
| Brand | Helicoil |
| Color | Factory |
| Customer Reviews | 4.7 4.7 out of 5 stars (159) |
| Fastener Type | Helical |
| Finish Types | Stainless Steel |
| Global Trade Identification Number | 00025964100238 |
| Included Components | Helicoil - Kit 1/2-13 (5521-8) |
| Item Diameter | 0.5 Inches |
| Item Dimensions | 5.2 x 0.7 x 3.6 inches |
| Item Weight | 4.96 ounces |
| Manufacturer | Heli-Coil |
| Material Type | Metal |
| Model | 5521-8 |
| Number Of Items | 1 |
| Number of Pieces | 6 |
| Part Number | 55218 |
| Screw Head Style | Hex Socket |
| Set Name | 1/2-13 Inch Coarse Thread Repair Kit (6 Inserts, Tap, Installation Tool) |
| Size Name | 1/2-13 Inch |
| Thread Size | 1/2in x 13in |
| UPC | 971473136278 031112511177 025964100238 259641002380 088021741607 |
| Unit Count | 1.0 Count |
| Warranty Description | 90 day warranty on material and workmanship |
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