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Metric M41R Retainer for Captive Screws
 FSC-5304-411- Retainers listed here mate with Series M4100 Captive Screws

*Slightly Chamfered to Permit Smooth Entry / Fit.

 Build Part Number
  Material & Shape
  Plating & Finish		  M41R Installation
 All Technical Data
 Worksheet Helper		  Conversion Chart
 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
± 0.3		 E
+ 0.1
- 0.05		 F
± 0.1		 G
+ 0.15
- 0.5		 H
REF		 J
± 0.3		  
M41R01 M3.0 x 0.5 1.3- 1.7 1.6 6.3 9.5 5.3 8 6.7 .6 7.9  
M41R02 M3.0 x 0.5 2.1- 2.5 2.4 6.3 9.5 5.3 8 6.7 .6 7.1  
M41R03 M3.0 x 0.5 2.8- 3.6 3.2 6.3 9.5 5.3 8 6.7 .6 6.3  
M41R04 M3.0 x 0.5 4.3- 5.2 4.8 6.3 9.5 5.3 8 6.7 .6 4.7  
M41R05 M3.5 x 0.6 1.3- 1.7 1.6 6.3 9.5 5.3 8 6.7 .6 7.9  
M41R06 M3.5 x 0.6 2.1- 2.5 2.4 6.3 9.5 5.3 8 6.7 .6 7.1  
M41R07 M3.5 x 0.6 2.8- 3.6 3.2 6.3 9.5 5.3 8 6.7 .6 6.3  
M41R08 M3.5 x 0.6 4.3- 5.2 4.8 6.3 9.5 5.3 8 6.7 .6 4.7  
M41R09 M3.5 x 0.6 5.9- 6.7 6.4 6.3 9.5 5.3 8 6.7 .6 3.1  
M41R10 M4.0 x 0.7 1.3- 1.7 1.6 11 14.3 9.8 13 9.9 .7 12.7  
M41R11 M4.0 x 0.7 2.1- 2.5 2.4 11 14.3 9.8 13 9.9 .7 11.9  
M41R12 M4.0 x 0.7 2.8- 3.6 3.2 11 14.3 9.8 13 9.9 .7 11.1  
M41R13 M4.0 x 0.7 4.3- 5.2 4.8 11 14.3 9.8 13 9.9 .7 9.5  
M41R14 M4.0 x 0.7 5.9- 6.7 6.4 11 14.3 9.8 13 9.9 .7 7.9  
M41R15 M5.0 x 0.8 1.3- 1.7 1.6 11 14.3 9.8 13 10 1 12.7  
Part Number Thread Panel
Thickness		 A
± .15		 B
± 0.05		 C
± 0.3		 E
+ 0.1
- 0.05		 F
± 0.1		 G
+ 0.15
- 0.5		 H
REF		 J
± 0.3		  
M41R16 M5.0 x 0.8 2.1- 2.5 2.4 11 14.3 9.8 13 10 1 11.9  
M41R17 M5.0 x 0.8 2.8- 3.6 3.2 11 14.3 9.8 13 10 1 11.1  
M41R18 M5.0 x 0.8 4.3- 5.2 4.8 11 14.3 9.8 13 10 1 9.5  
M40R19 M5.0 x 0.8 5.9- 6.7 6.4 11 14.3 9.8 13 10 1 7.9  
M41R20 M6.0 x 1.0 1.3- 1.7 1.6 11 14.3 9.8 13 10.2 1 12.7  
M41R21 M6.0 x 1.0 2.1- 2.5 2.4 11 14.3 9.8 13 10.2 1 11.9  
M41R22 M6.0 x 1.0 2.8- 3.6 3.2 11 14.3 9.8 13 10.2 1 11.1  
M41R23 M6.0 x 1.0 4.3- 5.2 4.8 11 14.3 9.8 13 10.2 1 9.5  
M41R24 M6.0 x 1.0 5.9- 6.7 6.4 11 14.3 9.8 13 10.2 1 7.9  
M41R25 M8.0 x 1.25 1.3- 1.7 1.6 11 14.3 9.8 13 10.3 1.1 12.7  
M41R26 M8.0 x 1.25 2.1- 2.5 2.4 11 14.3 9.8 13 10.3 1.1 11.9  
M41R27 M8.0 x 1.25 2.8- 3.6 3.2 11 14.3 9.8 13 10.3 1.1 11.1  
M41R28 M8.0 x 1.25 4.3- 5.2 4.8 11 14.3 9.8 13 10.3 1.1 9.5  
M40R29 M8.0 x 1.25 5.9- 6.7 6.4 11 14.3 9.8 13 10.3 1.1 7.9  
M41R30 M8.0 x 1.25 1.3- 1.7 1.6 11 14.3 9.8 16 10.3 1.1 12.7  
Part Number Thread Panel
Thickness		 A
± .15		 B
± 0.05		 C
± 0.3		 E
+ 0.1
- 0.05		 F
± 0.1