Thread Repair Inserts

Threaded inserts are formed from high quality stainless steel wire with a diamond shaped cross section, wound to the shape of a spring thread. They provide a permanent and wear resistant thread in the parent material that is generally stronger than the original thread. The inserts are designed to be greater in diameter than the tapped hole and compress as they are installed.


How do they work?

Drill
• Drill to clear out the damaged thread id required
Tap
• Use a thread insert tap to match the size the of the bolt
Install
• Wind insert in with light downward pressure until 1/4 to 1/2 turn below the surface, driving tang towards the bottom of the hole.
Remove Tang
• Remove tool and sit back on top of tang. Tap down sharply. Do not try to twist tang off. For sparkplug and large fine thread inserts, use long nose pliers and pull tang out.

What are the key features?
• Size
• Thread length
• Locking torque

What different types are there?

• Free running inserts which provide a standard female thread
• Locking inserts which provide a locking function for the female thread when the fasteners installed

Which application would you use it?

• Automotive
• Industrial Electronics
• Consumer Electronics
• Aerospace – Avionics, Engines, Airframe
• Ship Building
• Defence
• Power Generation
• Transport

...
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Description Price Thread Size Drill Size Thread Length
RS Stock No. 668-4667
Mfr. Part No.KNM6X1.0
BrandKeenserts
SGD56.93
1 Bag of 5
Bag(s)
M6 x 1 7.5mm -
RS Stock No. 528-665
Mfr. Part No.25083
BrandRecoil
SGD11.54
1 Bag of 10
Bag(s)
M8 x 1.25 8.3mm -
RS Stock No. 291-903
Mfr. Part No.25163
BrandRecoil
SGD20.10
1 Bag of 10
Bag(s)
M16 x 2 16.5mm -
RS Stock No. 291-880
Mfr. Part No.25033
BrandRecoil
SGD9.65
1 Bag of 10
Bag(s)
M3 x 0.5 3.2mm -
RS Stock No. 668-4663
Mfr. Part No.KNM5X0.8
BrandKeenserts
SGD54.52
1 Bag of 5
Bag(s)
M5 x 0.8 5.5mm -
RS Stock No. 528-687
Mfr. Part No.25123
BrandRecoil
SGD23.34
1 Bag of 10
Bag(s)
M12 x 1.75 12.5mm -
RS Stock No. 528-659
Mfr. Part No.25063
BrandRecoil
SGD14.13
1 Bag of 10
Bag(s)
M6 x 1 6.3mm -
RS Stock No. 528-671
Mfr. Part No.25103
BrandRecoil
SGD17.14
1 Bag of 10
Bag(s)
M10 x 1.5 10.4mm 15mm
RS Stock No. 528-643
Mfr. Part No.25053
BrandRecoil
SGD10.71
1 Bag of 10
Bag(s)
M5 x 0.8 5.2mm -
RS Stock No. 246-1126
Mfr. Part No.27103
BrandRecoil
SGD14.23
1 Bag of 10
Bag(s)
M10 x 1.25 10.4mm -
RS Stock No. 246-1132
Mfr. Part No.28123
BrandRecoil
SGD26.35
1 Bag of 10
Bag(s)
M23 x 1.5mm 12.5mm -
RS Stock No. 470-973
Mfr. Part No.41890160024
BrandBöllhoff
SGD1.63
Each (In a Pack of 10)
units
M16 x 2 16.5mm 24mm
RS Stock No. 668-4676
Mfr. Part No.KNM8X1.25
BrandKeenserts
SGD63.43
1 Bag of 5
Bag(s)
M8 x 1.25 9.5mm -
RS Stock No. 244-8410
Mfr. Part No.23043
BrandRecoil
SGD9.80
1 Bag of 10
Bag(s)
1/4-20 UNC 6.7mm -
RS Stock No. 244-8432
Mfr. Part No.23063
BrandRecoil
SGD14.85
1 Bag of 10
Bag(s)
3/8-16 UNC 9.9mm -
RS Stock No. 471-001
Mfr. Part No.41890040008
BrandBöllhoff
SGD0.513
Each (In a Pack of 20)
units
M4 x 0.7 4.2mm 8mm
RS Stock No. 291-919
Mfr. Part No.25203
BrandRecoil
SGD65.41
1 Bag of 10
Bag(s)
M20 x 2.5 20.75mm 30mm
RS Stock No. 470-991
Mfr. Part No.41890060012
BrandBöllhoff
SGD0.414
Each (In a Pack of 20)
units
M6 x 1 6.3mm 12mm
RS Stock No. 470-838
Mfr. Part No.41890030045
BrandBöllhoff
SGD0.414
Each (In a Pack of 20)
units
M3 x 0.5 3.2mm 4.5mm
RS Stock No. 470-901
Mfr. Part No.01891200020
BrandBöllhoff
SGD2.731
Each (In a Pack of 10)
units
M20 x 2.5 20.75mm 20mm