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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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58 results
Product SKUs information
Item Code Price range Availability Insert Length Minimum Internal Thread Size Special Offer Maximum Internal Thread Size Brand View
$3.12 - $3.12 101 In stock
1/4-20
Reid Select
$2.39 - $2.39 37 In stock
#10-24
Reid Select
$5.80 - $5.80 93 In stock
1/2-13
Reid Select
$9.21 - $9.21 Request the lead time here
3/8-24
Reid Select
$14.17 - $14.17 Request the lead time here
M14 x 1.5
Reid Select
$9.12 - $9.12 66 In stock
5/8-11
Reid Select
$3.05 - $3.05 243 In stock
#10-24
Reid Select
$5.01 - $5.01 51 In stock
7/16-14
Reid Select
$14.30 - $14.30 8 In stock
3/8-16
Reid Select
$3.12 - $3.12 Request the lead time here
1/4-28
Reid Select
$3.05 - $3.05 70 In stock
#10-32
Reid Select
$1.26 - $1.26 5 In stock
7/16-20
Reid Select
$1.10 - $1.10 35 In stock
#8-32
Reid Select
$9.76 - $9.76 86 In stock
3/8-16
Reid Select
$5.21 - $5.21 5 In stock
3/8-16
Reid Select
$6.37 - $6.37 Request the lead time here
5/16-24
Reid Select
$27.87 - $27.87 75 In stock
3/4-16
Reid Select
$34.24 - $34.24 44 In stock
1-8
Reid Select
$3.82 - $3.82 871 In stock
3/8-16
Reid Select
$22.24 - $22.24 Request the lead time here
1/4-20
Reid Select
  • of 3
Key locking Thread Insert; , Maximum Internal Thread Size=1/4-20, Insert Length=9.4 mm | 0.37 in, 65902

KLI-65902

Price Range
$3.12 - $3.12

Stock Levels
101 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65902
  • Maximum Internal Thread Size
    1/4-20
  • Maximum External Thread Size
    7/16-14
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=#10-24, Insert Length=7.9 mm | 0.310 in, 65901

KLI-65901

Price Range
$2.39 - $2.39

Stock Levels
37 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65901
  • Maximum Internal Thread Size
    #10-24
  • Maximum External Thread Size
    3/8-16
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=1/2-13, Insert Length=15.7 mm | 0.620 in, 65906

KLI-65906

Price Range
$5.80 - $5.80

Stock Levels
93 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65906
  • Maximum Internal Thread Size
    1/2-13
  • Maximum External Thread Size
    3/4-16
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-24, Insert Length=12.7 mm | 0.500 in, 66524

KLI-66524

Price Range
$9.21 - $9.21

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66524
  • Maximum Internal Thread Size
    3/8-24
  • Maximum External Thread Size
    1/2-13
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=M14 x 1.5, Insert Length=20.0 mm | 0.787 in, 66170

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
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=5/8-11, Insert Length=22.1 mm | 0.870 in, 65908

KLI-65908

Price Range
$9.12 - $9.12

Stock Levels
66 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65908
  • 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=#10-24, Insert Length=7.9 mm | 0.310 in, 65921

KLI-65921

Price Range
$3.05 - $3.05

Stock Levels
243 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65921
  • 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=7/16-14, Insert Length=14.2 mm | 0.560 in, 65925

KLI-65925

Price Range
$5.01 - $5.01

Stock Levels
51 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65925
  • Maximum Internal Thread Size
    7/16-14
  • Maximum External Thread Size
    9/16-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-16, Insert Length=12.7 mm | 0.500 in, 65936

KLI-65936

Price Range
$14.30 - $14.30

Stock Levels
8 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65936
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    5/8-11
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=1/4-28, Insert Length=9.4 mm | 0.37 in, 66102

KLI-66102

Price Range
$3.12 - $3.12

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66102
  • Maximum Internal Thread Size
    1/4-28
  • Maximum External Thread Size
    7/16-14
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=#10-32, Insert Length=7.9 mm | 0.310 in, 66121

KLI-66121

Price Range
$3.05 - $3.05

Stock Levels
70 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66121
  • Maximum Internal Thread Size
    #10-32
  • Maximum External Thread Size
    5/16-18
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=7/16-20, Insert Length=14.2 mm | 0.560 in, 66125

KLI-66125

Price Range
$1.26 - $1.26

Stock Levels
5 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66125
  • Maximum Internal Thread Size
    7/16-20
  • Maximum External Thread Size
    9/16-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=#8-32, Insert Length=7.9 mm | 0.310 in, 66300

KLI-66300

Price Range
$1.10 - $1.10

Stock Levels
35 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66300
  • Maximum Internal Thread Size
    #8-32
  • Maximum External Thread Size
    5/16-18
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-16, Insert Length=12.7 mm | 0.500 in, 66304

KLI-66304

Price Range
$9.76 - $9.76

Stock Levels
86 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66304
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    9/16-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-16, Insert Length=12.7 mm | 0.500 in, 66324

KLI-66324

Price Range
$5.21 - $5.21

Stock Levels
5 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66324
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    1/2-13
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=5/16-24, Insert Length=10.9 mm | 0.430 in, 66503

KLI-66503

Price Range
$6.37 - $6.37

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66503
  • Maximum Internal Thread Size
    5/16-24
  • Maximum External Thread Size
    1/2-13
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/4-16, Insert Length=28.4 mm | 1.120 in, 66509

KLI-66509

Price Range
$27.87 - $27.87

Stock Levels
75 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66509
  • Maximum Internal Thread Size
    3/4-16
  • Maximum External Thread Size
    1-1/8-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=1-8, Insert Length=34.8 mm | 1.370 in, 65911

KLI-65911

Price Range
$34.24 - $34.24

Stock Levels
44 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65911
  • Maximum Internal Thread Size
    1-8
  • Maximum External Thread Size
    1-3/8-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-16, Insert Length=12.7 mm | 0.500 in, 65924

KLI-65924

Price Range
$3.82 - $3.82

Stock Levels
871 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65924
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    1/2-13
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=1/4-20, Insert Length=9.4 mm | 0.37 in, 65934

KLI-65934

Price Range
$22.24 - $22.24

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65934
  • Maximum Internal Thread Size
    1/4-20
  • Maximum External Thread Size
    1/2-13
  • Type
    Keylocking Thread Inserts