338PCS Helicoil Thread Repair Kit SAE & Metric Drill Tap Set

Stripped or damaged threads don’t mean replacing the whole part. Restore them quickly and get your equipment back in working condition without costly downtime.

This all-in-one thread repair kit gives you the exact tools and inserts needed to fix worn, cross-threaded, or damaged threads across a wide range of sizes.

Fix Damaged Threads Fast and Get Back to Work

✅ Restore damaged threads instead of replacing expensive parts

✅ Handle SAE and metric repairs with one complete 338-piece kit

✅ Finish repairs faster with a clear drill, tap, insert, break process

✅ Achieve strong, reliable thread hold with stainless steel inserts

✅ Work across multiple materials like aluminum, steel, and more

✅ Stay organized and job-ready with a dedicated storage case

This kit includes everything needed to repair internal threads from start to finish. Simply drill out the damaged thread, tap a new one, install the insert, and break the tang — restoring function in a straightforward workflow.

With both SAE sizes (1/4", 5/16", 3/8", 7/16", 1/2") and metric sizes (M5, M6, M8, M10, M12), it covers common applications in automotive repair, machinery maintenance, and general metalworking.

The HSS drill bits and durable tools are built for repeated use, while stainless steel inserts create a secure and lasting thread. Whether you're working in a garage, workshop, or job site, this kit keeps repairs efficient and consistent.

Unlike piecing together tools separately, this complete set keeps everything in one place with a carry case, reducing setup time and keeping your workflow smooth from start to finish.

Everything you need for complete thread repair in one kit.

Restore threads quickly with organized, ready-to-use tools.

Work faster with clearly arranged repair components.

Handle multiple repair sizes without switching kits.

Simple steps make repairs quicker and more predictable.

Strong materials ensure reliable, repeated repairs.

Suitable for automotive, machining, and maintenance work.

Large 338-piece set covers a wide range of repairs.

Carry case keeps tools organized and easy to transport.

Restore damaged threads with confidence and keep your projects moving.