You will restore stripped fasteners on engines and machinery in minutes with this complete helicoil thread repair kit.
- This 338-piece set includes twist drills, taps, and installation tools for SAE sizes 1/4" to 1/2" and metrics M5–M12, giving you exact coverage for daily jobs.
- Heat-treated HSS drill bits and bearing steel taps reach HRC 55-62 hardness, resisting deformation so you can cut precise threads repeatedly without tool failure.
- You will form durable replacement threads in aluminum, cast iron, bronze, or magnesium using 304 stainless steel coils that lock securely under heavy vibration.
- The straightforward drill-tap-insert workflow lets you secure components quickly with the rubber-grip tool, while the compact case keeps every piece organized for your next shift.
