HSS4341 Thread Repair Kit for Thread Restoration
Product Overview
Thread damage and thread stripping are common troubles during machinery repair and vehicle maintenance. Our HSS4341 thread repair kit offers a practical solution to fix broken internal threads, renew thread strength and avoid costly part replacement.
Kit Components
HSS4341 twist drill bit: drill out the damaged old thread
Thread tap: cut new threads for receiving wire inserts
Installation tool: screw the thread inserts into repaired hole
Break‑off tool: remove the driving tang from inserts after installation
Wire thread inserts: rebuild the durable inner thread
Hard plastic storage case: keep all parts neatly stored, easy transport and anti‑loss
Material Advantage
Drill bit and tap adopt HSS4341 high‑speed steel, featuring high hardness, excellent abrasion resistance and heat resistance for long‑time workshop usage. The stainless‑steel thread inserts reinforce thread connection strength, anti‑loosening and anti‑wear performance after repair.
Application Scenarios
✅ Automotive repair, engine maintenance
✅ Mechanical workshop & equipment servicing
✅ DIY repair and factory field maintenance
✅ Fix stripped threads on aluminum, cast iron, steel workpieces
Working Principle
Drill the damaged threaded hole with supplied drill bit
Tap new thread with the matching tap
Thread in wire insert by installation tool
Break off tang with tang‑removal tool, finish thread restoration
Benefit: The repaired thread obtains stronger load‑bearing performance than original thread.
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