ST SERIES-THREADED INSERT

KNURLED THREAD INSERT

ST series threaded insert is different from our standard type of blind rivet nut. The overall length is shorter than standard type which it allows to be used in small & narrow space.

Although it is short type but it can be installed into most any material with thickness over 0.03” (0.76mm).

The head of insert can press tightly against the surface of application after riveting.

It is commonly to be used in any industry including automobile industry

Material: Steel/ Stainless Steel/ Brass/ Aluminum

樣版2

UNFIED (INCH) AND METERIC THREAD SIZE

THREAD
SIZE

PART NO.

HD

±0.005

L

±0.015

D

MAX

IL

MAX

LB

±0.015

ILB

MAX

IATD

MAX

HOLE

DEPTHE
MIN

UNC 4-40

CAT I440

.211

.370

.1875

.205

.660

.495

.395

.400

UNC 6-32

CAT I630

.240

.370

.2185

.205

.675

.505

.410

.400

UNC 8-32

CATI 832

.269

.370

.2495

.205

.675

.505

.410

.400

UNC 10-24

CATI 1024

.306

.370

.2805

.205

.685

.520

.385

.400

UNC 10-32

CATI 1032

.306

.370

.2805

.205

.685

.520

.385

.400

UNC 1/4-20

CATI 420

.400

.515

.3745

.275

1.005

.760

.615

.540

UNC5/16-18

CATI 520

.528

.615

.4995

.325

1.065

.770

.630

.640

UNC 3/8-16

CATI 616

.588

.745

.5615

.390

1.450

1.095

.890

.770

UNC 1/2-13

CATI 1213

.800

.935

.7485

.485

NA

NA

NA

.960

THREAD
SIZE

PART NO.

HD

±0.005

L

±0.015

D

MAX

IL

MAX

LB

±0.015

ILB

MAX

IATD

MAX

HOLE

DEPTHE
MIN

ISO M3X05

CATM 350

5.36

9.40

4.76

5.21

16.77

12.57

10.03

10.16

ISO M4X0.7

CATM 470

6.83

9.40

6.34

5.21

17.15

12.83

10.41

10.16

ISO M5X0.8

CATM 580

7.77

9.40

7.12

5.21

17.40

13.21

9.78

10.16

ISO M6X1.0

CATM 610

10.16

13.08

9.51

6.99

25.53

19.30

15.62

13.72

ISO M8X1.25

CATM 8125

13.41

15.62

12.69

8.26

27.05

19.56

16.00

16.26

ISO M10X1.5

CATM 1015

14.94

18.92

14.26

9.91

36.83

27.81

22.61

19.56

ISO M12X1.75

CATM 12175

20.32

23.75

19.01

12.32

NA

NA

NA

24.38

Hole size/material thickness chart

THREAD
SIZE

.303-.090MAT.

THICKNESS

.091-.124MAT.

THICKNESS

.125-.186MAT.

THICKNESS

.187-OVER MAT.

THICKNESS

DRILL
SIZE

DECIMAL

DRILL
SIZE

DECIMAL

DRILL
SIZE

DECIMAL

DRILL
SIZE

DECIMAL

UNC4-40

3/16

.1875

#10

.1935

#10

.1935

#9

.1960

UNC6-32

7/32

.2188

#2

.2210

#1

.2280

#1

.2280

UNC8-32

1/4

.2500

“F”

.2570

17/64

.2656

17/64

.2656

UNC10-24

9/32

.2812

“L”

.2900

“L”

.2900

19/64

.2969

UNC10-32

9/32

.2812

“L”

.2900

“L”

.2900

19/64

.2969

UNC1/4-20

0.375

.3750

0.375

.3750

“W”

.3860

25/64

.3906

UNC5/16-18

0.5

.5000

0.5

.5000

33/64

.5156

33/64

.5156

UNC3/8-16

0.5625

.5625

0.5625

.5625

37/64

.5781

37/64

.5781

UNC1/2-13

0.75

.7500

0.765625

.7656

25/32

.7810

51/64

.7970

THREAD
SIZE

.303-.090MAT.

THICKNESS

.091-.124MAT.

THICKNESS

.125-.186MAT.

THICKNESS

.187-OVER MAT.

THICKNESS

DRILL
SIZE

DECIMAL

DRILL
SIZE

DECIMAL

DRILL
SIZE

DECIMAL

DRILL
SIZE

DECIMAL

ISO M3X0.5

3/16

.1875

#10

.1935

#10

.1935

#9

.1960

ISO M4X0.7

7/32

.2188

#2

.2210

#1

.2280

#1

.2280

ISO M5X0.8

1/4

.2500

“F”

.2570

17/64

.2656

17/64

.2656

ISO M6X1.0

9/32

.2812

“L”

.2900

“L”

.2900

19/64

.2969

ISO M8X1.25

9/32

.2812

“L”

.2900

“L”

.2900

19/64

.2969

ISO M10X1.5

0.375

.3750

0.375

.3750

“W”

.3860

25/64

.3906

ISO M12X1.25

0.5

.5000

0.5

.5000

33/64

.5156

33/64

.5156

TOP QUALITY INSTRUMENT INC.

MAIL:topqualityinstrument@gmail.com

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