Metric Captive Retainer 40R Series by UNICORP Metric/Standard-Stock/Custom, Hex/Round 24 finishes Official Site

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Metric M40R Retainer for Captive Screws
FSC-5304-411- Retainers listed here mate with Series M4000 Captive Screws

Back To Captive Screws & Retainers Page
*Slightly Chamfered to Permit Smooth Entry / Fit.

Build Part Number
Material & Shape
Plating & Finish

M40R Installation
All Technical Data
Worksheet Helper

Conversion Chart
Am. Standard Captive Screws
Metric Captive Screws

CHOOSE and write down your PART NUMBER
then Go to Skip Step 1

Part Number

Thread

Panel
Thickness

A
± .15

B
± 0.05

C
± .26

D
± 0.05

E
+ 0.1
- 0.05

F
± 0.15

G
± 0.16

H
REF

J
± 0.3

M40R01

M2.5 x 0.45

1.2- 1.8

1.3

3.1

6.5

4.2

3.1

4.2

5.2

M40R02

M2.5 x 0.45

1.9- 2.8

2.2

3.1

6.5

4.2

3.1

4.2

4.3

M40R03

M2.5 x 0.45

3- 4

3.2

3.1

6.5

4.2

3.1

4.2

3.3

M40R04

M3.0 x 0.5

1.2- 1.8

1.3

3.1

6.5

4.2

3.1

4.2

5.2

M40R05

M3.0 x 0.5

1.9- 2.8

2.2

3.1

6.5

4.2

3.1

4.2

4.3

M40R06

M3.0 x 0.5

3- 4

3.2

3.1

6.5

4.2

3.1

4.2

3.3

M40R07

M2.5 x 0.45

1.2- 1.8

1.3

3.8

6.5

3.8

4.2

5.2

M40R08

M2.5 x 0.45

1.9- 2.8

2.2

3.8

6.5

3.8

4.2

4.3

M40R09

M2.5 x 0.45

3- 4

3.2

3.8

6.5

3.8

4.2

3.3

M40R10

M3.0 x 0.5

1.2- 1.8

1.3

3.8

6.5

3.8

4.2

5.2

M40R11

M3.0 x 0.5

1.9- 2.8

2.2

3.8

6.5

3.8

4.2

4.3

M40R12

M3.0 x 0.5

3- 4

3.2

3.8

6.5

3.8

4.2

3.3

M40R13

M3.5 x 0.6

1.2- 1.8

1.3

3.8

5.3

6.7

M40R14

M3.5 x 0.6

1.9- 2.8

3.8

5.3

M40R15

M3.5 x 0.6

3- 4

3.2

3.8

5.3

4.8

Part Number

Thread

Panel
Thickness

A
± .15

B
± 0.05

C
± .26

D
± 0.05

E
+ 0.1
- 0.05

F
± 0.15

G
± 0.16

H
REF

J
± 0.3

M40R16

M3.5 x 0.6

4.8

3.8

5.3

3.2

M40R17

M4.0 x 0.7

1.2- 1.8

1.3

5.8

4.8

5.3

6.7

M40R18

M4.0 x 0.7

1.9- 2.8

5.8

4.8

5.3

M40R19

M4.0 x 0.7

3- 4

3.2

5.8

4.8

5.3

4.8

M40R20

M4.0 x 0.7

4.8

5.8

4.8

5.3

3.2

M40R21

M5.0 x 0.8

1.2- 1.8

1.3

5.8

9.5

5.8

4.8

8.2

M40R22

M5.0 x 0.8

1.9- 2.8

5.8

9.5

5.8

4.8

7.5

M40R23

M5.0 x 0.8

3- 4

3.2

5.8

9.5

5.8

4.8

6.3

M40R24

M5.0 x 0.8

4.8

5.8

9.5

5.8

4.8

4.7

M40R25

M5.0 x 0.8

6.5

6.4

5.8

9.5

5.8

4.8

3.1

M40R26

M6.0 x 1.0

1.2- 1.8

1.3

9.3

7.5

7.4

9.7

M40R27

M6.0 x 1.0

1.9- 2.8

9.3

7.5

7.4

M40R28

M6.0 x 1.0

3- 4

3.2

9.3

7.5

7.4

7.8

M40R29

M6.0 x 1.0

4.8

9.3

7.5

7.4

6.2

M40R30

M6.0 x 1.0

6.5

6.4

9.3

12.6

9.3

7.5

7.4

6.2

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UNICORP is a worldwide leader in manufacturing stock and custom electronic hardware,
handles and precision fasteners used by leading companies in nearly every industry since 1971.

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