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Details

Part Number Designation 

pf21-pf22 pf21-pf221

Knob: Aluminum
Ferrule: Hardened carbon steel, zinc plate
Screw: 300 Series Stainless Steel
Spring: 300 Series Stainless Steel

 

All dimensions are in millimeters (Size Unit: mm)

 

Thread Size

Type

Thread Code

Shank Code

A
±0.1

Min.Sheet Thickness

Hole Size In Sheet +0.08

C
Max.

E
±0.25

G
±0.64

T1
±0.2

T2
Nom.

Driver Size

Unified

Metric

Unified

Metric

.112-40(#4-40)

M3X0.5

PF21

440

M3

0

0.97

1

5.55

5.53

10.5

4

12.3

11.5

#1

1

5.7

14

2

7.2

15.5

3

8.8

17.1

.112-40(#4-40)

M3X0.5

PF22

440

M3

0

1.47

1.5

5.55

5.53

10.5

4

12.3

11.5

#1

1

5.7

14

2

7.2

15.5

3

8.8

17.1

.138-32(#6-32)

M3.5X0.6

PF21

632

M3.5

0

0.97

1

6.35

6.33

11.5

5.3

16.4

15.9

#2

1

6.9

18

2

8.5

19.6

3

10.1

21.2

.138-32(#6-32)

M3.5X0.6

PF22

632

M3.5

0

1.47

1.5

6.35

6.33

11.5

5.3

16.4

15.9

#2

1

6.9

18

2

8.5

19.6

3

10.1

21.2

.164-32(#8-32)

M4X0.7

PF21

832

M4

0

0.97

1

7.90

7.88

13

5.6

16.9

16.2

#2

1

7.2

18.5

2

8.7

20

3

10.3

21.6

.164-32(#8-32)

M4X0.7

PF22

832

M4

0

1.47

1.5

7.90

7.88

13

5.6

16.9

16.2

#2

1

7.2

18.5

2

8.7

20

3

10.3

21.6

.190-32(#10-32)

M5X0.8

PF21

032

M5

0

0.97

1

7.90

7.88

13

5.6

16.9

16.2

#2

1

7.2

18.5

2

8.7

20

3

10.3

21.6

.190-32(#10-32)

M5X0.8

PF22

032

M5

0

1.47

1.5

7.90

7.88

13

5.6

16.9

16.2

#2

1

7.2

18.5

2

8.7

20

3

10.3

21.6

.250-20(1/4-20)

M6X1

PF21

0420

M6

0

0.97

1

9.5

9.47

14.7

7.1

20.5

20

#3

1

8.7

22.1

2

10.3

23.7

3

11.9

25.3

.250-20(1/4-20)

M6X1

PF22

0420

M6

0

1.47

1.5

9.5

9.47

14.7

7.1

20.5

20

#3

1

8.7

22.1

2

10.3

23.7

3

11.9

25.3

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