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Products > Threading Tools > Thread Repair Tools > Thread Repair Kits, Individual Sizes      

Thread Repair Kit, 1/4"-20

Thread Repair Kit, 1/4"-20
Part Number: 5829
Weight: 0.82 lb

Price: $15.49

In stock
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  • For repairing tapped holes in soft metal
  • Simple and easy to use
  • Stronger than original threads
  • 25 Stainless steel coil (helical) inserts


Thirty-one piece thread repair kit, 1/4"-20. Used for repairing tapped holes that have been stripped or damaged. The stainless steel insert is wound into a coil (helical). Once inserted into the hole the radial pressure of the insert holds it firmly into place. The kit comes with inserts, the appropriate size HSS twist drill, installation tool, tang removal tool and L hex wrench.

Contains: 25 stainless steel inserts, 1 Screw thread insert (STI) high speed steel tap, 1 High speed steel twist drill, 1 Coil driver, 1 Tang breaker, 1 L hex wrench, 1 Metal case

Chris' Tips

Chris Chris' Tips
There are instructions for the use of this kit on the Photos tab.


Insert-Thread 1/4"-20
Sti Tap (Oversize) 1/4-20
Hss Drill 17/64"
Insert Length 1.5 x Dia.


"Thread Repair Kit Drill out the old threads using the HSS twist drill that is included in the thread repair kit.
"Thread Repair Kit Tap the hole using the Screw Thread Insert (STI) tap from the kit.
"Thread Repair Kit Install the insert using the coil driver and L Hex wrench installation tools.
"Thread Repair Kit Remove the tang of the insert with the tang breaker (punch).


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