Menu Search

Self-Locking Thread Inserts

In stock

These inserts have automatic self-locking external threads for use with use-activated epoxy adhesive. They prevent or repair stripped threads. There is no special too required for installation, install with a bolt and wrench or a screwdriver.

Request a quote

For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 2 working days.

Filter or Search Variants

Use the filters or search below to find what you're looking for

Imperial
Metric
Hide Show Filters
65 results
Product SKUs information
Item Code Price range Availability Maximum External Thread Size Thread Density Special Offer Maximum Internal Thread Size Brand View
$3.14 - $3.14 30 In stock
7/8-9
Coarse
5/8-11
E-Z Lok
$2.41 - $2.41 103 In stock
5/8-11
Coarse
1/2-13
E-Z Lok
$1.59 - $1.59 110 In stock
7/16-14
Coarse
1/4-20
E-Z Lok
$1.52 - $1.52 48 In stock
5/16-18
Coarse
#10-24
E-Z Lok
$1.64 - $1.64 76 In stock
3/8-16
Coarse
1/4-20
E-Z Lok
$1.03 - $1.03 95 In stock
1/2-13
Coarse
1/4-20
E-Z Lok
$2.50 - $2.50 320 In stock
M8 x 1.25
M5 x .8
E-Z Lok
$4.75 - $4.75 70 In stock
7/8-9
Coarse
5/8-11
E-Z Lok
$2.75 - $2.75 9 In stock
3/4-10
M12 x 1.75
E-Z Lok
$2.80 - $2.80 273 In stock
1/2-13
Coarse
3/8-16
E-Z Lok
$1.97 - $1.97 183 In stock
3/4-10
Coarse
1/2-13
E-Z Lok
$7.06 - $7.06 209 In stock
7/8-9
Coarse
5/8-11
E-Z Lok
$3.14 - $3.14 Request the lead time here
7/8-9
Coarse
1/2-13
E-Z Lok
$1.92 - $1.92 39 In stock
7/16-14
Coarse
5/16-18
E-Z Lok
$4.20 - $4.20 49 In stock
M16 x 2.0
M12 x 1.75
E-Z Lok
$1.83 - $1.83 4 In stock
5/8-11
Fine
1/2-20
E-Z Lok
$2.15 - $2.15 Request the lead time here
M8 x 1.25
M4 x .7
E-Z Lok
$8.33 - $8.33 16 In stock
1-3/8-12
Coarse
1-8
E-Z Lok
$1.27 - $1.27 54 In stock
M6 x 1.0
M3 x .5
E-Z Lok
$1.80 - $1.80 1 In stock
3/4-10
Coarse
9/16-12
E-Z Lok
  • of 4
Self-Locking Thread Insert; Maximum Internal Thread Size=5/8-11, Maximum External Thread Size=7/8-9, Thread Density=Coarse

329-10

Price Range
$3.14 - $3.14

Stock Levels
30 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-10
  • Overall Length
    .687 in
  • Maximum External Thread Size
    7/8-9
  • Maximum Internal Thread Size
    5/8-11
Self-Locking Thread Insert; Maximum Internal Thread Size=1/2-13, Maximum External Thread Size=5/8-11, Thread Density=Coarse

319-8

Price Range
$2.41 - $2.41

Stock Levels
103 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-8
  • Overall Length
    .620 in
  • Maximum External Thread Size
    5/8-11
  • Maximum Internal Thread Size
    1/2-13
Self-Locking Thread Insert; Maximum Internal Thread Size=1/4-20, Maximum External Thread Size=7/16-14, Thread Density=Coarse

329-4

Price Range
$1.59 - $1.59

Stock Levels
110 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-4
  • Overall Length
    .437 in
  • Maximum External Thread Size
    7/16-14
  • Maximum Internal Thread Size
    1/4-20
Self-Locking Thread Insert; Maximum Internal Thread Size=#10-24, Maximum External Thread Size=5/16-18, Thread Density=Coarse

319-3

Price Range
$1.52 - $1.52

Stock Levels
48 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-3
  • Overall Length
    .312 in
  • Maximum External Thread Size
    5/16-18
  • Maximum Internal Thread Size
    #10-24
Self-Locking Thread Insert; Maximum Internal Thread Size=1/4-20, Maximum External Thread Size=3/8-16, Thread Density=Coarse

319-4

Price Range
$1.64 - $1.64

Stock Levels
76 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-4
  • Overall Length
    .375 in
  • Maximum External Thread Size
    3/8-16
  • Maximum Internal Thread Size
    1/4-20
Self-Locking Thread Insert; Maximum Internal Thread Size=1/4-20, Maximum External Thread Size=1/2-13, Thread Density=Coarse

335-4

Price Range
$1.03 - $1.03

Stock Levels
95 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    335-4
  • Overall Length
    .484 in
  • Maximum External Thread Size
    1/2-13
  • Maximum Internal Thread Size
    1/4-20
Self-Locking Thread Insert; Maximum Internal Thread Size=M5 x .8, Maximum External Thread Size=M8 x 1.25,

450-5

Price Range
$2.50 - $2.50

Stock Levels
320 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    450-5
  • Overall Length
    0.3 in
  • Maximum External Thread Size
    M8 x 1.25
  • Maximum Internal Thread Size
    M5 x .8
Self-Locking Thread Insert; Maximum Internal Thread Size=5/8-11, Maximum External Thread Size=7/8-9, Thread Density=Coarse

329-1018

Price Range
$4.75 - $4.75

Stock Levels
70 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-1018
  • Overall Length
    1.125 in
  • Maximum External Thread Size
    7/8-9
  • Maximum Internal Thread Size
    5/8-11
Self-Locking Thread Insert; Maximum Internal Thread Size=M12 x 1.75, Maximum External Thread Size=3/4-10,

650-12

Price Range
$2.75 - $2.75

Stock Levels
9 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    650-12
  • Overall Length
    .656 in
  • Maximum External Thread Size
    3/4-10
  • Maximum Internal Thread Size
    M12 x 1.75
Self-Locking Thread Insert; Maximum Internal Thread Size=3/8-16, Maximum External Thread Size=1/2-13, Thread Density=Coarse

319-6

Price Range
$2.80 - $2.80

Stock Levels
273 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-6
  • Overall Length
    0.500 in
  • Maximum External Thread Size
    1/2-13
  • Maximum Internal Thread Size
    3/8-16
Self-Locking Thread Insert; Maximum Internal Thread Size=1/2-13, Maximum External Thread Size=3/4-10, Thread Density=Coarse

329-8

Price Range
$1.97 - $1.97

Stock Levels
183 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-8
  • Overall Length
    .656 in
  • Maximum External Thread Size
    3/4-10
  • Maximum Internal Thread Size
    1/2-13
Self-Locking Thread Insert; Maximum Internal Thread Size=5/8-11, Maximum External Thread Size=7/8-9, Thread Density=Coarse

303-10

Price Range
$7.06 - $7.06

Stock Levels
209 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    303-10
  • Overall Length
    .687 in
  • Maximum External Thread Size
    7/8-9
  • Maximum Internal Thread Size
    5/8-11
Self-Locking Thread Insert; Maximum Internal Thread Size=1/2-13, Maximum External Thread Size=7/8-9, Thread Density=Coarse

335-8

Price Range
$3.14 - $3.14

Stock Levels
Request the lead time here
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    335-8
  • Overall Length
    .687 in
  • Maximum External Thread Size
    7/8-9
  • Maximum Internal Thread Size
    1/2-13
Self-Locking Thread Insert; Maximum Internal Thread Size=5/16-18, Maximum External Thread Size=7/16-14, Thread Density=Coarse

319-5

Price Range
$1.92 - $1.92

Stock Levels
39 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-5
  • Overall Length
    .437 in
  • Maximum External Thread Size
    7/16-14
  • Maximum Internal Thread Size
    5/16-18
Self-Locking Thread Insert; Maximum Internal Thread Size=M12 x 1.75, Maximum External Thread Size=M16 x 2.0,

450-12

Price Range
$4.20 - $4.20

Stock Levels
49 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    450-12
  • Overall Length
    0.669 in
  • Maximum External Thread Size
    M16 x 2.0
  • Maximum Internal Thread Size
    M12 x 1.75
Self-Locking Thread Insert; Maximum Internal Thread Size=1/2-20, Maximum External Thread Size=5/8-11, Thread Density=Fine

319-820

Price Range
$1.83 - $1.83

Stock Levels
4 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-820
  • Overall Length
    .620 in
  • Maximum External Thread Size
    5/8-11
  • Maximum Internal Thread Size
    1/2-20
Self-Locking Thread Insert; Maximum Internal Thread Size=M4 x .7, Maximum External Thread Size=M8 x 1.25,

453-4

Price Range
$2.15 - $2.15

Stock Levels
Request the lead time here
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    453-4
  • Overall Length
    0.3 in
  • Maximum External Thread Size
    M8 x 1.25
  • Maximum Internal Thread Size
    M4 x .7
Self-Locking Thread Insert; Maximum Internal Thread Size=1-8, Maximum External Thread Size=1-3/8-12, Thread Density=Coarse

329-16

Price Range
$8.33 - $8.33

Stock Levels
16 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-16
  • Overall Length
    1.250 in
  • Maximum External Thread Size
    1-3/8-12
  • Maximum Internal Thread Size
    1-8
Self-Locking Thread Insert; Maximum Internal Thread Size=M3 x .5, Maximum External Thread Size=M6 x 1.0,

450-3

Price Range
$1.27 - $1.27

Stock Levels
54 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    450-3
  • Overall Length
    0.26 in
  • Maximum External Thread Size
    M6 x 1.0
  • Maximum Internal Thread Size
    M3 x .5
Self-Locking Thread Insert; Maximum Internal Thread Size=9/16-12, Maximum External Thread Size=3/4-10, Thread Density=Coarse

329-9

Price Range
$1.80 - $1.80

Stock Levels
1 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-9
  • Overall Length
    .656 in
  • Maximum External Thread Size
    3/4-10
  • Maximum Internal Thread Size
    9/16-12