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. 528-665
Mfr. Part No.25083
BrandRecoil
$20.63
1 Bag of 10
Bag(s)
M8 x 1.25 8.3mm -
RS Stock No. 291-880
Mfr. Part No.25033
BrandRecoil
$17.67
1 Bag of 10
Bag(s)
M3 x 0.5 3.2mm -
RS Stock No. 528-659
Mfr. Part No.25063
BrandRecoil
$16.77
1 Bag of 10
Bag(s)
M6 x 1 6.3mm -
RS Stock No. 528-671
Mfr. Part No.25103
BrandRecoil
$9.04
1 Bag of 10
Bag(s)
M10 x 1.5 10.4mm 15mm
RS Stock No. 528-687
Mfr. Part No.25123
BrandRecoil
$11.10
1 Bag of 10
Bag(s)
M12 x 1.75 12.5mm -
RS Stock No. 291-903
Mfr. Part No.25163
BrandRecoil
$9.71
1 Bag of 10
Bag(s)
M16 x 2 16.5mm -
RS Stock No. 246-1132
Mfr. Part No.28123
BrandRecoil
$16.22
1 Bag of 10
Bag(s)
M23 x 1.5 mm 12.5mm -
RS Stock No. 244-8432
Mfr. Part No.23063
BrandRecoil
$8.48
1 Bag of 10
Bag(s)
3/8-16 UNC 9.9mm -
RS Stock No. 245-5698
Mfr. Part No.24053
BrandRecoil
$7.85
1 Bag of 10
Bag(s)
5/16-24 UNF 8.3mm -
RS Stock No. 244-8426
Mfr. Part No.23053
BrandRecoil
$6.82
1 Bag of 10
Bag(s)
5/16-18 UNC 8.3mm -
RS Stock No. 291-919
Mfr. Part No.25203
BrandRecoil
$23.16
1 Bag of 10
Bag(s)
M20 x 2.5 20.75mm 30mm
RS Stock No. 244-8460
Mfr. Part No.24043
BrandRecoil
$7.20
1 Bag of 10
Bag(s)
1/4-28 UNF 6.7mm -
RS Stock No. 244-8397
Mfr. Part No.28140
BrandRecoil
$42.98
1 Bag of 10
Bag(s)
M14 x 1.25 14.25mm -
RS Stock No. 244-8448
Mfr. Part No.23083
BrandRecoil
$13.12
1 Bag of 10
Bag(s)
1/2-13 UNC 13mm -
RS Stock No. 246-1126
Mfr. Part No.27103
BrandRecoil
$10.06
1 Bag of 10
Bag(s)
M10 x 1.25 10.4mm -
RS Stock No. 528-643
Mfr. Part No.25053
BrandRecoil
$15.84
1 Bag of 10
Bag(s)
M5 x 0.8 5.2mm -
RS Stock No. 244-8410
Mfr. Part No.23043
BrandRecoil
$6.84
1 Bag of 10
Bag(s)
1/4-20 UNC 6.7mm -
RS Stock No. 291-896
Mfr. Part No.25043
BrandRecoil
$17.92
1 Bag of 10
Bag(s)
M4 x 0.7 4.2mm -