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
$4.73 - $4.73 12 In stock
3/4-10
Coarse
1/2-13
E-Z Lok
$1.17 - $1.17 158 In stock
9/16-12
Coarse
3/8-16
E-Z Lok
$1.64 - $1.64 76 In stock
3/8-16
Coarse
1/4-20
E-Z Lok
$3.71 - $3.71 44 In stock
#1-8
Coarse
5/8-11
E-Z Lok
$3.20 - $3.20 216 In stock
9/16-12
Coarse
3/8-16
E-Z Lok
$2.47 - $2.47 Request the lead time here
3/4-10
Fine
1/2-20
E-Z Lok
$0.89 - $0.89 8 In stock
3/8-16
Fine
1/4-28
E-Z Lok
$1.73 - $1.73 Request the lead time here
#10-32
Coarse
#4-40
E-Z Lok
$1.92 - $1.92 39 In stock
7/16-14
Coarse
5/16-18
E-Z Lok
$0.88 - $0.88 44 In stock
7/16-14
Fine
1/4-28
E-Z Lok
$1.43 - $1.43 145 In stock
#10-32
Coarse
#4-40
E-Z Lok
$3.33 - $3.33 11 In stock
9/16-12
M10 x 1.5
E-Z Lok
$2.02 - $2.02 108 In stock
M8 x 1.25
M4 x .7
E-Z Lok
$3.35 - $3.35 116 In stock
M12 x 1.75
M8 x 1.25
E-Z Lok
$4.53 - $4.53 118 In stock
#1-8
Coarse
3/4-10
E-Z Lok
$1.97 - $1.97 143 In stock
3/4-10
Coarse
1/2-13
E-Z Lok
$4.55 - $4.55 46 In stock
1/2-13
Coarse
5/16-18
E-Z Lok
$1.03 - $1.03 95 In stock
1/2-13
Coarse
1/4-20
E-Z Lok
$1.44 - $1.44 49 In stock
3/8-16
Coarse
#10-24
E-Z Lok
$1.06 - $1.06 126 In stock
5/16-18
Coarse
#8-32
E-Z Lok
  • of 4
Self-Locking Thread Insert; Maximum Internal Thread Size=1/2-13, Maximum External Thread Size=3/4-10, Thread Density=Coarse

303-8

Price Range
$4.73 - $4.73

Stock Levels
12 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    303-8
  • 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=3/8-16, Maximum External Thread Size=9/16-12, Thread Density=Coarse

329-6

Price Range
$1.17 - $1.17

Stock Levels
158 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-6
  • Overall Length
    .515 in
  • Maximum External Thread Size
    9/16-12
  • Maximum Internal Thread Size
    3/8-16
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=5/8-11, Maximum External Thread Size=#1-8, Thread Density=Coarse

335-10

Price Range
$3.71 - $3.71

Stock Levels
44 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    335-10
  • Overall Length
    0.781 in
  • Maximum External Thread Size
    #1-8
  • Maximum Internal Thread Size
    5/8-11
Self-Locking Thread Insert; Maximum Internal Thread Size=3/8-16, Maximum External Thread Size=9/16-12, Thread Density=Coarse

303-6

Price Range
$3.20 - $3.20

Stock Levels
216 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    303-6
  • Overall Length
    .515 in
  • Maximum External Thread Size
    9/16-12
  • Maximum Internal Thread Size
    3/8-16
Self-Locking Thread Insert; Maximum Internal Thread Size=1/2-20, Maximum External Thread Size=3/4-10, Thread Density=Fine

329-820

Price Range
$2.47 - $2.47

Stock Levels
Request the lead time here
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-820
  • Overall Length
    0.656 in
  • Maximum External Thread Size
    3/4-10
  • Maximum Internal Thread Size
    1/2-20
Self-Locking Thread Insert; Maximum Internal Thread Size=1/4-28, Maximum External Thread Size=3/8-16, Thread Density=Fine

319-428

Price Range
$0.89 - $0.89

Stock Levels
8 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    319-428
  • Overall Length
    .375 in
  • Maximum External Thread Size
    3/8-16
  • Maximum Internal Thread Size
    1/4-28
Self-Locking Thread Insert; Maximum Internal Thread Size=#4-40, Maximum External Thread Size=#10-32, Thread Density=Coarse

303-004

Price Range
$1.73 - $1.73

Stock Levels
Request the lead time here
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    303-004
  • Overall Length
    .250 in
  • Maximum External Thread Size
    #10-32
  • Maximum Internal Thread Size
    #4-40
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=1/4-28, Maximum External Thread Size=7/16-14, Thread Density=Fine

329-428

Price Range
$0.88 - $0.88

Stock Levels
44 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-428
  • Overall Length
    .437 in
  • Maximum External Thread Size
    7/16-14
  • Maximum Internal Thread Size
    1/4-28
Self-Locking Thread Insert; Maximum Internal Thread Size=#4-40, Maximum External Thread Size=#10-32, Thread Density=Coarse

329-004

Price Range
$1.43 - $1.43

Stock Levels
145 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-004
  • Overall Length
    .250 in
  • Maximum External Thread Size
    #10-32
  • Maximum Internal Thread Size
    #4-40
Self-Locking Thread Insert; Maximum Internal Thread Size=M10 x 1.5, Maximum External Thread Size=9/16-12,

653-10

Price Range
$3.33 - $3.33

Stock Levels
11 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    653-10
  • Overall Length
    .515 in
  • Maximum External Thread Size
    9/16-12
  • Maximum Internal Thread Size
    M10 x 1.5
Self-Locking Thread Insert; Maximum Internal Thread Size=M4 x .7, Maximum External Thread Size=M8 x 1.25,

450-4

Price Range
$2.02 - $2.02

Stock Levels
108 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    450-4
  • 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=M8 x 1.25, Maximum External Thread Size=M12 x 1.75,

450-8

Price Range
$3.35 - $3.35

Stock Levels
116 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    450-8
  • Overall Length
    0.492 in
  • Maximum External Thread Size
    M12 x 1.75
  • Maximum Internal Thread Size
    M8 x 1.25
Self-Locking Thread Insert; Maximum Internal Thread Size=3/4-10, Maximum External Thread Size=#1-8, Thread Density=Coarse

329-12

Price Range
$4.53 - $4.53

Stock Levels
118 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-12
  • Overall Length
    .781 in
  • Maximum External Thread Size
    #1-8
  • Maximum Internal Thread Size
    3/4-10
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
143 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=5/16-18, Maximum External Thread Size=1/2-13, Thread Density=Coarse

303-5

Price Range
$4.55 - $4.55

Stock Levels
46 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    303-5
  • Overall Length
    .484 in
  • Maximum External Thread Size
    1/2-13
  • Maximum Internal Thread Size
    5/16-18
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=#10-24, Maximum External Thread Size=3/8-16, Thread Density=Coarse

329-3

Price Range
$1.44 - $1.44

Stock Levels
49 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-3
  • Overall Length
    .406 in
  • Maximum External Thread Size
    3/8-16
  • Maximum Internal Thread Size
    #10-24
Self-Locking Thread Insert; Maximum Internal Thread Size=#8-32, Maximum External Thread Size=5/16-18, Thread Density=Coarse

329-008

Price Range
$1.06 - $1.06

Stock Levels
126 In stock
Attributes
  • Brand
    E-Z Lok
  • Manufacturer Part Number
    329-008
  • Overall Length
    .290 in
  • Maximum External Thread Size
    5/16-18
  • Maximum Internal Thread Size
    #8-32