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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
#10-24
Reid Select
$17.33 - $17.33 Request the lead time here
0.68 in
1/2-13
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
$5.80 - $5.80 120 In stock
0.620 in
1/2-13
Reid Select
$3.82 - $3.82 489 In stock
0.500 in
3/8-16
Reid Select
$73.52 - $73.52 Request the lead time here
Not Applicable
Reid Select
$9.76 - $9.76 Request the lead time here
0.500 in
3/8-24
Reid Select
$9.21 - $9.21 Request the lead time here
0.500 in
3/8-24
Reid Select
$12.80 - $12.80 21 In stock
0.430 in
5/16-18
Reid Select
$8.40 - $8.40 Request the lead time here
1/4-20
Reid Select
$1.20 - $1.20 5 In stock
0.560 in
7/16-20
Reid Select
$5.13 - $5.13 122 In stock
0.430 in
5/16-18
Reid Select
$3.05 - $3.05 33 In stock
0.310 in
#10-24
Reid Select
$5.69 - $5.69 Request the lead time here
#8-32
Reid Select
$8.14 - $8.14 Request the lead time here
#10-32
Reid Select
$3.05 - $3.05 59 In stock
0.310 in
#10-32
Reid Select
$12.67 - $12.67 54 In stock
1.120 in
3/4-10
Reid Select
$2.80 - $2.80 30 In stock
0.620 in
7/16-20
Reid Select
$8.14 - $8.14 Request the lead time here
10-24
Reid Select
  • of 4
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=17.3 mm | 0.68 in

KLI-65938

Price Range
$17.33 - $17.33

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65938
  • Maximum Internal Thread Size
    1/2-13
  • Maximum External Thread Size
    7/8-14
  • Insert Length
    0.68 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=1/2-13, Insert Length=15.7 mm | 0.620 in

KLI-65906

Price Range
$5.80 - $5.80

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

KLI-65924

Price Range
$3.82 - $3.82

Stock Levels
489 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65924
  • Maximum Internal Thread Size
    3/8-16
  • Maximum External Thread Size
    1/2-13
  • Insert Length
    0.500 in
Key locking Thread Insert; , Maximum Internal Thread Size=Not Applicable, Insert Length=22.1 mm | 0.870 in, KLI-66009

KLI-66009

Price Range
$73.52 - $73.52

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66009
  • Maximum Internal Thread Size
    Not Applicable
  • Maximum External Thread Size
    1-12
  • Type
    Keylocking Thread Inserts
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-24, Insert Length=12.7 mm | 0.500 in

KLI-66504

Price Range
$9.76 - $9.76

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66504
  • Maximum Internal Thread Size
    3/8-24
  • Maximum External Thread Size
    9/16-12
  • Insert Length
    0.500 in
Key locking Thread Insert; , Maximum Internal Thread Size=3/8-24, Insert Length=12.7 mm | 0.500 in

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
  • Insert Length
    0.500 in
Key locking Thread Insert; , Maximum Internal Thread Size=5/16-18, Insert Length=10.9 mm | 0.430 in

KLI-71323

Price Range
$12.80 - $12.80

Stock Levels
21 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69323
  • 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=1/4-20, Insert Length=9.4 mm | 0.37 in, KLI-71302

KLI-71302

Price Range
$8.40 - $8.40

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69302
  • 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=7/16-20, Insert Length=14.2 mm | 0.560 in

KLI-66125

Price Range
$1.20 - $1.20

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
  • Insert Length
    0.560 in
Key locking Thread Insert; , Maximum Internal Thread Size=5/16-18, Insert Length=10.9 mm | 0.430 in

KLI-66323

Price Range
$5.13 - $5.13

Stock Levels
122 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66323
  • 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=#10-24, Insert Length=7.9 mm | 0.310 in

KLI-65921

Price Range
$3.05 - $3.05

Stock Levels
33 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65921
  • Maximum Internal Thread Size
    #10-24
  • Maximum External Thread Size
    5/16-18
  • Insert Length
    0.310 in
Key locking Thread Insert; , Maximum Internal Thread Size=#8-32, Insert Length=7.9 mm | 0.310 in, KLI-71300

KLI-71300

Price Range
$5.69 - $5.69

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69300
  • 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=#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=#10-32, Insert Length=7.9 mm | 0.310 in

KLI-66101

Price Range
$3.05 - $3.05

Stock Levels
59 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66101
  • 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=3/4-10, Insert Length=28.4 mm | 1.120 in

KLI-65909

Price Range
$12.67 - $12.67

Stock Levels
54 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    65909
  • Maximum Internal Thread Size
    3/4-10
  • Maximum External Thread Size
    1-1/8-12
  • Insert Length
    1.120 in
Key locking Thread Insert; , Maximum Internal Thread Size=7/16-20, Insert Length=15.7 mm | 0.620 in

KLI-66105

Price Range
$2.80 - $2.80

Stock Levels
30 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    66105
  • Maximum Internal Thread Size
    7/16-20
  • Maximum External Thread Size
    5/8-11
  • Insert Length
    0.620 in
Key locking Thread Insert; , Maximum Internal Thread Size=10-24, Insert Length=7.9 mm | 0.310 in, KLI-71301

KLI-71301

Price Range
$8.14 - $8.14

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    69301
  • Maximum Internal Thread Size
    10-24
  • Maximum External Thread Size
    3/8-16
  • Type
    Keylocking Thread Inserts