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Keylocking Thread Inserts

In stock

Quickly repair stripped, damaged or worn out threads with a new stronger thread using keylocking inserts. Keylocking inserts are easily installed using standard drills and taps. Once the locking keys are driven down, the insert is tightly locked and will not turn. Steel inserts are C1215, parkerized. Stainless inserts are 303, passivated. Internal threads are class 2B, external threads are 2A. Inserts with internal thread size 5⁄16 or M7 and larger have four locking keys. Smaller sizes have two locking keys. Solid inserts allow you to relocate or fill in holes that are too large. All the inserts listed are in stock for same day shipment.

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76 results
Product SKUs information
Item Code Price range Availability Insert Length Minimum Internal Thread Size Special Offer Maximum Internal Thread Size Brand View
$8.14 - $8.14 Request the lead time here
#10-32
Reid Select
$10.30 - $10.30 Request the lead time here
7/8-14
Reid Select
$18.89 - $18.89 Request the lead time here
0.500 in
3/8-16
Reid Select
$5.29 - $5.29 55 In stock
0.310 in
#10-32
Reid Select
$16.20 - $16.20 601 In stock
0.500 in
3/8-16
Reid Select
$5.01 - $5.01 Request the lead time here
7/16-14
Reid Select
$3.40 - $3.40 276 In stock
0.430 in
5/16-18
Reid Select
$21.27 - $21.27 15 In stock
0.870 in
5/8-11
Reid Select
$3.05 - $3.05 115 In stock
0.310 in
#10-32
Reid Select
$14.17 - $14.17 Request the lead time here
0.787 in
M14 x 1.5
Reid Select
$22.98 - $22.98 Request the lead time here
5/8-11
Reid Select
$6.87 - $6.87 Request the lead time here
M10 x 1.25
Reid Select
$4.07 - $4.07 342 In stock
0.310 in
#10-32
Reid Select
$4.17 - $4.17 Request the lead time here
0.37 in
1/4-28
Reid Select
$8.14 - $8.14 Request the lead time here
#10-24
Reid Select
$17.78 - $17.78 Request the lead time here
1/2-13
Reid Select
  • of 4
Key locking Thread Insert; , Maximum Internal Thread Size=#10-32, Insert Length=7.9 mm | 0.310 in, KLI-71501

KLI-71501

Price Range
$8.14 - $8.14

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69501
  • Maximum Internal Thread Size
    #10-32
  • Maximum External Thread Size
    3/8-16
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=7/8-14, Insert Length=31.8 mm | 1.250 in, KLI-66110

KLI-66110

Price Range
$10.30 - $10.30

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66110
  • Maximum Internal Thread Size
    7/8-14
  • Maximum External Thread Size
    1-1/4-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-16, Insert Length=12.7 mm | 0.500 in

KLI-66336

Price Range
$18.89 - $18.89

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66336
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    5/8-11
  • Insert Length
    0.500 in
Key locking Thread Insert; , Maximum Internal Thread Size=#10-32, Insert Length=7.9 mm | 0.310 in

KLI-66521

Price Range
$5.29 - $5.29

Stock Levels
55 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66521
  • Maximum Internal Thread Size
    #10-32
  • Maximum External Thread Size
    5/16-18
  • Insert Length
    0.310 in
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-16, Insert Length=12.7 mm | 0.500 in

KLI-71304

Price Range
$16.20 - $16.20

Stock Levels
601 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69304
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    9/16-12
  • Insert Length
    0.500 in
Key locking Thread Insert; , Maximum Internal Thread Size=7/16-14, Insert Length=15.7 mm | 0.620 in, KLI-65905

KLI-65905

Price Range
$5.01 - $5.01

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65905
  • Maximum Internal Thread Size
    7/16-14
  • Maximum External Thread Size
    5/8-11
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=5/16-18, Insert Length=10.9 mm | 0.430 in

KLI-65923

Price Range
$3.40 - $3.40

Stock Levels
276 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65923
  • Maximum Internal Thread Size
    5/16-18
  • Maximum External Thread Size
    7/16-14
  • Insert Length
    0.430 in
Key locking Thread Insert; , Maximum Internal Thread Size=5/8-11, Insert Length=22.1 mm | 0.870 in

KLI-65940

Price Range
$21.27 - $21.27

Stock Levels
15 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65940
  • Maximum Internal Thread Size
    5/8-11
  • Maximum External Thread Size
    1-12
  • Insert Length
    0.870 in
Key locking Thread Insert; , Maximum Internal Thread Size=#10-32, Insert Length=7.9 mm | 0.310 in

KLI-66121

Price Range
$3.05 - $3.05

Stock Levels
115 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66121
  • Maximum Internal Thread Size
    #10-32
  • Maximum External Thread Size
    5/16-18
  • Insert Length
    0.310 in
Key locking Thread Insert; , Maximum Internal Thread Size=M14 x 1.5, Insert Length=20.0 mm | 0.787 in

KLI-66170

Price Range
$14.17 - $14.17

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66170
  • Maximum Internal Thread Size
    M14 x 1.5
  • Maximum External Thread Size
    M20 x 1.5
  • Insert Length
    0.787 in
Key locking Thread Insert; , Maximum Internal Thread Size=5/8-11, Insert Length=22.1 mm | 0.870 in, KLI-66308

KLI-66308

Price Range
$22.98 - $22.98

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66308
  • Maximum Internal Thread Size
    5/8-11
  • Maximum External Thread Size
    7/8-14
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=M10 x 1.25, Insert Length=14.0 mm | 0.551 in, KLI-66155

KLI-66155

Price Range
$6.87 - $6.87

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66155
  • Maximum Internal Thread Size
    M10 x 1.25
  • Maximum External Thread Size
    M14 x 1.5
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=#10-32, Insert Length=7.9 mm | 0.310 in

KLI-66501

Price Range
$4.07 - $4.07

Stock Levels
342 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66501
  • Maximum Internal Thread Size
    #10-32
  • Maximum External Thread Size
    3/8-16
  • Insert Length
    0.310 in
Key locking Thread Insert; , Maximum Internal Thread Size=1/4-28, Insert Length=9.4 mm | 0.37 in

KLI-66522

Price Range
$4.17 - $4.17

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66522
  • Maximum Internal Thread Size
    1/4-28
  • Maximum External Thread Size
    3/8-16
  • Insert Length
    0.37 in
Key locking Thread Insert; , Maximum Internal Thread Size=#10-24, Insert Length=7.9 mm | 0.310 in, KLI-71321

KLI-71321

Price Range
$8.14 - $8.14

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69321
  • Maximum Internal Thread Size
    #10-24
  • Maximum External Thread Size
    5/16-18
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=1/2-13, Insert Length=15.7 mm | 0.620 in, KLI-66306

KLI-66306

Price Range
$17.78 - $17.78

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66306
  • Maximum Internal Thread Size
    1/2-13
  • Maximum External Thread Size
    3/4-16
  • Type
    Keylocking Thread Inserts