Big-Sert Oversize Thread Repair
Thick-Walled Inserts for Severely Damaged Threads and Second-Stage Repairs
- Oversize repair for severely damaged holes
- Larger outer diameter than standard Time-Sert
- Ideal when Helicoil or coil-style inserts have failed
- Solid steel construction - no helical coil to work loose
- Specialized kits for spark plug and head bolt repair
Australian Authorized Importer | Fast Australia-Wide Delivery | Trade Supplier
When to Use Big-Sert
1
Oversized Damage
When the hole is too large for standard Time-Sert repair.
2
Spark Plug Threads
Specialized kits for 14mm and 18mm spark plug repair.
3
Maximum Strength
When the application demands the strongest possible repair.
Key Features
- Oversize thread repair for severely damaged holes
- Larger outer diameter than Time-Sert
- Ideal for stripped spark plug threads
- Solid steel construction
- No helical coil to work loose
- Permanent repair solution
Common Applications
- Stripped spark plug threads
- Oversized hole repair
- Aluminum cylinder heads
- Damaged threads beyond standard repair
- High-stress applications
- Cast iron engine blocks
Need Help Choosing?
Not sure whether you need Time-Sert or Big-Sert? Our technical team can help you determine the best solution for your specific application.