Collection: Inserts - Thread Repair Sets Keylocking

13 Products in this selection
  • Keylocking inserts are used to repair threads by tapping the worn thread to a standard larger thread, twisting the insert into place and then driving in the keys to lock the insert. Also known as keenserts.
  • Each kit contains an installation tool and the quantity of inserts shown. One size per kit.
  • Also known as keenserts, keylocking inserts are available in mild steel and stainless steel.
  • Installation is by drilling out the old thread, countersinking, tapping new thread with a standard tap, screwing the insert until slightly below the surface, then tapping down the keys using the tool supplied and a hammer.
Additional resources:
Keysteel Catalogue PDF
Internal Thread External Thread Length Inserts Per Kit Indicative
Image
8-32 UNC (4.17mm)
5/16-18 UNC (7.94mm)
7.9
mm
9
1056656 | KLI-0417-KIT --- Thread Repair Sets Keylocking Inserts - 8-32 UNC (4.17mm) x  5/16-18 UNC (7.94mm) x 7.9 mm
Material: Steel   
Part Number: KLI-0417-KIT Thread Repair Sets Keylocking Inserts - 8-32 UNC (4.17mm) x 5/16-18 UNC (7.94mm) x 7.9 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $115.32 AUD
Regular price Sale price $115.32 AUD
Each
View the product page first if you are unsure ->
Internal Thread External Thread Length Inserts Per Kit Indicative
Image
8-32 UNC (4.17mm)
5/16-18 UNC (7.94mm)
7.9
mm
9
1056656 | KLI-0417-KIT --- Thread Repair Sets Keylocking Inserts - 8-32 UNC (4.17mm) x  5/16-18 UNC (7.94mm) x 7.9 mm
Material: Steel   
Part Number: KLI-0417-KIT Thread Repair Sets Keylocking Inserts - 8-32 UNC (4.17mm) x 5/16-18 UNC (7.94mm) x 7.9 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $115.32 AUD
Regular price Sale price $115.32 AUD
Each
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10-32 UNF (4.76mm)
3/8-16
7.9
mm
9
1060865 | KLI-0476-KIT --- Thread Repair Sets Keylocking Inserts - 10-32 UNF (4.76mm) x  3/8-16 x 7.9 mm
Material: Steel   
Part Number: KLI-0476-KIT Thread Repair Sets Keylocking Inserts - 10-32 UNF (4.76mm) x 3/8-16 x 7.9 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $97.23 AUD
Regular price Sale price $97.23 AUD
Each
View the product page first if you are unsure ->
10-32 UNF (4.76mm)
3/8-16
7.9
mm
9
1060865 | KLI-0476-KIT --- Thread Repair Sets Keylocking Inserts - 10-32 UNF (4.76mm) x  3/8-16 x 7.9 mm
Material: Steel   
Part Number: KLI-0476-KIT Thread Repair Sets Keylocking Inserts - 10-32 UNF (4.76mm) x 3/8-16 x 7.9 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $97.23 AUD
Regular price Sale price $97.23 AUD
Each
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1/4-20 UNC (6.35mm)
7/16-14 UNC (11.11mm)
9.4
mm
8
1073021 | KLI-0635-KIT --- Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x  7/16-14 UNC (11.11mm) x 9.4 mm
Material: Steel   
Part Number: KLI-0635-KIT Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x 7/16-14 UNC (11.11mm) x 9.4 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $37.69 AUD
Regular price $56.54 AUD Sale price $37.69 AUD
Each
1/4-20 UNC (6.35mm)
7/16-14 UNC (11.11mm)
9.4
mm
8
1073021 | KLI-0635-KIT --- Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x  7/16-14 UNC (11.11mm) x 9.4 mm
Material: Steel   
Part Number: KLI-0635-KIT Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x 7/16-14 UNC (11.11mm) x 9.4 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $37.69 AUD
Regular price $56.54 AUD Sale price $37.69 AUD
Each
1/4-20 UNC (6.35mm)
7/16-14 UNC (11.11mm)
9.4
mm
8
1073022 | KLI-0635-KIT-SS --- Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x  7/16-14 UNC (11.11mm) x 9.4 mm
Material: Stainless Steel   
Part Number: KLI-0635-KIT-SS Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x 7/16-14 UNC (11.11mm) x 9.4 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $93.23 AUD
Regular price Sale price $93.23 AUD
Each
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1/4-20 UNC (6.35mm)
7/16-14 UNC (11.11mm)
9.4
mm
8
1073022 | KLI-0635-KIT-SS --- Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x  7/16-14 UNC (11.11mm) x 9.4 mm
Material: Stainless Steel   
Part Number: KLI-0635-KIT-SS Thread Repair Sets Keylocking Inserts - 1/4-20 UNC (6.35mm) x 7/16-14 UNC (11.11mm) x 9.4 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $93.23 AUD
Regular price Sale price $93.23 AUD
Each
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5/16-18 UNC (7.94mm)
1/2-13 UNC (12.7mm)
10.9
mm
7
1078470 | KLI-0794-KIT-SS --- Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x  1/2-13 UNC (12.7mm) x 10.9 mm
Material: Stainless Steel   
Part Number: KLI-0794-KIT-SS Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x 1/2-13 UNC (12.7mm) x 10.9 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $120.23 AUD
Regular price Sale price $120.23 AUD
Each
View the product page first if you are unsure ->
5/16-18 UNC (7.94mm)
1/2-13 UNC (12.7mm)
10.9
mm
7
1078470 | KLI-0794-KIT-SS --- Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x  1/2-13 UNC (12.7mm) x 10.9 mm
Material: Stainless Steel   
Part Number: KLI-0794-KIT-SS Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x 1/2-13 UNC (12.7mm) x 10.9 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $120.23 AUD
Regular price Sale price $120.23 AUD
Each
View the product page first if you are unsure.
5/16-18 UNC (7.94mm)
1/2-13 UNC (12.7mm)
10.9
mm
7
1078471 | KLI-0794-KIT --- Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x  1/2-13 UNC (12.7mm) x 10.9 mm
Material: Steel   
Part Number: KLI-0794-KIT Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x 1/2-13 UNC (12.7mm) x 10.9 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $37.61 AUD
Regular price $56.41 AUD Sale price $37.61 AUD
Each
5/16-18 UNC (7.94mm)
1/2-13 UNC (12.7mm)
10.9
mm
7
1078471 | KLI-0794-KIT --- Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x  1/2-13 UNC (12.7mm) x 10.9 mm
Material: Steel   
Part Number: KLI-0794-KIT Thread Repair Sets Keylocking Inserts - 5/16-18 UNC (7.94mm) x 1/2-13 UNC (12.7mm) x 10.9 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $37.61 AUD
Regular price $56.41 AUD Sale price $37.61 AUD
Each
5/16-24 UNF (7.94mm)
1/2-13 UNC (12.7mm)
10.9
mm
7
1079774 | KLI-0794F-KIT --- Thread Repair Sets Keylocking Inserts - 5/16-24 UNF (7.94mm) x  1/2-13 UNC (12.7mm) x 10.9 mm
Material: Steel   
Part Number: KLI-0794F-KIT Thread Repair Sets Keylocking Inserts - 5/16-24 UNF (7.94mm) x 1/2-13 UNC (12.7mm) x 10.9 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $39.56 AUD
Regular price $59.35 AUD Sale price $39.56 AUD
Each
5/16-24 UNF (7.94mm)
1/2-13 UNC (12.7mm)
10.9
mm
7
1079774 | KLI-0794F-KIT --- Thread Repair Sets Keylocking Inserts - 5/16-24 UNF (7.94mm) x  1/2-13 UNC (12.7mm) x 10.9 mm
Material: Steel   
Part Number: KLI-0794F-KIT Thread Repair Sets Keylocking Inserts - 5/16-24 UNF (7.94mm) x 1/2-13 UNC (12.7mm) x 10.9 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $39.56 AUD
Regular price $59.35 AUD Sale price $39.56 AUD
Each
3/8-16 UNC (9.53mm)
9/16-12 UNC
12.7
mm
6
1087429 | KLI-0953-KIT-SS --- Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x  9/16-12 UNC x 12.7 mm
Material: Stainless Steel   
Part Number: KLI-0953-KIT-SS Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x 9/16-12 UNC x 12.7 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $121.59 AUD
Regular price Sale price $121.59 AUD
Each
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3/8-16 UNC (9.53mm)
9/16-12 UNC
12.7
mm
6
1087429 | KLI-0953-KIT-SS --- Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x  9/16-12 UNC x 12.7 mm
Material: Stainless Steel   
Part Number: KLI-0953-KIT-SS Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x 9/16-12 UNC x 12.7 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $121.59 AUD
Regular price Sale price $121.59 AUD
Each
View the product page first if you are unsure.
3/8-16 UNC (9.53mm)
9/16-12 UNC
12.7
mm
6
1087430 | KLI-0953-KIT --- Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x  9/16-12 UNC x 12.7 mm
Material: Steel   
Part Number: KLI-0953-KIT Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x 9/16-12 UNC x 12.7 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $40.39 AUD
Regular price $60.59 AUD Sale price $40.39 AUD
Each
3/8-16 UNC (9.53mm)
9/16-12 UNC
12.7
mm
6
1087430 | KLI-0953-KIT --- Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x  9/16-12 UNC x 12.7 mm
Material: Steel   
Part Number: KLI-0953-KIT Thread Repair Sets Keylocking Inserts - 3/8-16 UNC (9.53mm) x 9/16-12 UNC x 12.7 mm
1 Available | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $40.39 AUD
Regular price $60.59 AUD Sale price $40.39 AUD
Each
7/16-20 UNF (11.11mm)
5/8-11 UNC (15.88mm)
15.7
mm
6
1097023 | KLI-1111-KIT --- Thread Repair Sets Keylocking Inserts - 7/16-20 UNF (11.11mm) x  5/8-11 UNC (15.88mm) x 15.7 mm
Material: Steel   
Part Number: KLI-1111-KIT Thread Repair Sets Keylocking Inserts - 7/16-20 UNF (11.11mm) x 5/8-11 UNC (15.88mm) x 15.7 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $86.50 AUD
Regular price Sale price $86.50 AUD
Each
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7/16-20 UNF (11.11mm)
5/8-11 UNC (15.88mm)
15.7
mm
6
1097023 | KLI-1111-KIT --- Thread Repair Sets Keylocking Inserts - 7/16-20 UNF (11.11mm) x  5/8-11 UNC (15.88mm) x 15.7 mm
Material: Steel   
Part Number: KLI-1111-KIT Thread Repair Sets Keylocking Inserts - 7/16-20 UNF (11.11mm) x 5/8-11 UNC (15.88mm) x 15.7 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $86.50 AUD
Regular price Sale price $86.50 AUD
Each
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1/2-13 UNC (12.7mm)
3/4-16 UNF (19.05mm)
15.7
mm
4
1103199 | KLI-1270-KIT --- Thread Repair Sets Keylocking Inserts - 1/2-13 UNC (12.7mm) x  3/4-16 UNF (19.05mm) x 15.7 mm
Material: Steel   
Part Number: KLI-1270-KIT Thread Repair Sets Keylocking Inserts - 1/2-13 UNC (12.7mm) x 3/4-16 UNF (19.05mm) x 15.7 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $83.59 AUD
Regular price Sale price $83.59 AUD
Each
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1/2-13 UNC (12.7mm)
3/4-16 UNF (19.05mm)
15.7
mm
4
1103199 | KLI-1270-KIT --- Thread Repair Sets Keylocking Inserts - 1/2-13 UNC (12.7mm) x  3/4-16 UNF (19.05mm) x 15.7 mm
Material: Steel   
Part Number: KLI-1270-KIT Thread Repair Sets Keylocking Inserts - 1/2-13 UNC (12.7mm) x 3/4-16 UNF (19.05mm) x 15.7 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $83.59 AUD
Regular price Sale price $83.59 AUD
Each
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5/8-11 UNC (15.88mm)
7/8-14 UNC
22.1
mm
3
1111839 | KLI-1588-KIT --- Thread Repair Sets Keylocking Inserts - 5/8-11 UNC (15.88mm) x  7/8-14 UNC x 22.1 mm
Material: Steel   
Part Number: KLI-1588-KIT Thread Repair Sets Keylocking Inserts - 5/8-11 UNC (15.88mm) x 7/8-14 UNC x 22.1 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $92.50 AUD
Regular price Sale price $92.50 AUD
Each
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5/8-11 UNC (15.88mm)
7/8-14 UNC
22.1
mm
3
1111839 | KLI-1588-KIT --- Thread Repair Sets Keylocking Inserts - 5/8-11 UNC (15.88mm) x  7/8-14 UNC x 22.1 mm
Material: Steel   
Part Number: KLI-1588-KIT Thread Repair Sets Keylocking Inserts - 5/8-11 UNC (15.88mm) x 7/8-14 UNC x 22.1 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $92.50 AUD
Regular price Sale price $92.50 AUD
Each
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3/4-10 UNC (19.05mm)
1.1/8-12 UNF
22.4
mm
3
1121553 | KLI-1910-KIT --- Thread Repair Sets Keylocking Inserts - 3/4-10 UNC (19.05mm) x  1.1/8-12 UNF x 22.4 mm
Material: Steel   
Part Number: KLI-1910-KIT Thread Repair Sets Keylocking Inserts - 3/4-10 UNC (19.05mm) x 1.1/8-12 UNF x 22.4 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $132.14 AUD
Regular price Sale price $132.14 AUD
Each
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3/4-10 UNC (19.05mm)
1.1/8-12 UNF
22.4
mm
3
1121553 | KLI-1910-KIT --- Thread Repair Sets Keylocking Inserts - 3/4-10 UNC (19.05mm) x  1.1/8-12 UNF x 22.4 mm
Material: Steel   
Part Number: KLI-1910-KIT Thread Repair Sets Keylocking Inserts - 3/4-10 UNC (19.05mm) x 1.1/8-12 UNF x 22.4 mm
Out of Stock | Backorder Now | Backorders for more can be expected around Mon, Feb 03, 2025
Regular price $132.14 AUD
Regular price Sale price $132.14 AUD
Each
View the product page first if you are unsure.