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Koster-PF 50,52, 60,62 (Panel Fasteners)
The panel fasteners serve well in applications requiring easy removal and reinstallation of boards.
Panel fasteners are widely used in Printed Circuit cases, communication accessories, modems, internet servers and routers and so on.
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| All simensions are in inches | |||||||||||||||||
| UNIFIED |
Thread size |
Type |
Thread code |
Screw Length Code |
A (Shank) Max. |
Min. Sheet Thickness |
Hole Size in Sheet +.003 -.000 |
C Max |
E +.015 -.005 |
G +.015 -.005 |
H ±.008 |
P ±.025 |
T1 Max. |
T2 Nom. |
Driver size | Min. Dist Hole C/L to Edge | |
|
Knurled cap |
Smooth Cap |
||||||||||||||||
|
.112-40 (#4-40) |
PF50 | PF60 | 440 | 0 | .030 | .030 | .203 | .202 | .406 | .230 | .207 | .000 | .340 | .520 | #1 | .26 | |
| 1 | .290 | .060 | |||||||||||||||
|
.138-32 (#6-32) |
PF50 | PF60 | 632 | 0 | .030 | .030 | .219 | .218 | .438 | .230 | .207 | .000 | .340 | .520 | #2 | .28 | |
| 1 | .290 | .060 | |||||||||||||||
|
.164-32 (#8-32) |
PF50 | PF60 | 832 | 0 | .030 | .030 | .250 | .249 | .468 | .230 | .217 | .000 | .340 | .530 | #3 | .29 | |
| 1 | .290 | .060 | |||||||||||||||
|
.190-32 (#10-32) |
PF50 | PF60 | 032 | 0 | .030 | .030 | .312 | .311 | .530 | .230 | .225 | .000 | .360 | .530 | #4 | .33 | |
| 1 | .290 | .060 | |||||||||||||||
|
.250-20 (1/4-20) |
PF50 | PF60 | 0420 | 0 | .030 | .030 | .375 | .374 | .625 | .280 | .246 | .000 | .395 | .600 | #5 | .38 | |
| 1 | .340 | .060 | |||||||||||||||
| All simensions are in inches | |||||||||||||||||
| METRIC |
Thread size |
Type |
Thread code |
Screw Length Code |
A (Shank) Max. |
Min. Sheet Thickness | Hole Size in Sheet +.008 |
C Max |
E +.015 -.005 |
G +.015 -.005 |
H ±.008 |
P ±.025 |
T1 Max. |
T2 Nom. |
Driver size | Min. Dist Hole C/L to Edge | |
|
Knurled cap |
Smooth Cap |
||||||||||||||||
| M3X0.5 | PF50 | PF60 | M3 | 0 | 0.77 | 0.8 | 5.5 | 5.48 | 10.3 | 5.84 | 5.26 | 0 | 8.64 | 13.21 | #1 | 6.6 | |
| 1 | 7.37 | 1.52 | |||||||||||||||
| M3.5X0.6 | PF50 | PF60 | M3.5 | 0 | 0.77 | 0.8 | 5.56 | 5.54 | 11.1 | 5.84 | 5.26 | 0 | 8.64 | 13.21 | #2 | 7.1 | |
| 1 | 7.37 | 1.52 | |||||||||||||||
| M4X0.7 | PF50 | PF60 | M4 | 0 | 0.77 | 0.8 | 6.4 | 6.38 | 11.9 | 5.84 | 5.51 | 0 | 8.64 | 13.21 | #3 | 7.4 | |
| 1 | 7.37 | 1.52 | |||||||||||||||
| M5X0.8 | PF50 | PF60 | M5 | 0 | 0.77 | 0.8 | 8 | 7.98 | 13.5 | 5.84 | 5.72 | 0 | 9.15 | 13.21 | #4 | 8.4 | |
| 1 | 7.37 | 1.52 | |||||||||||||||
| M6X1 | PF50 | PF60 | M6 | 0 | 1.47 | 1.5 | 9.5 | 9.48 | 15.9 | 7.11 | 6.25 | 0 | 10.04 | 15.24 | #5 | 9.7 | |
| 1 | 8.64 | 1.52 | |||||||||||||||
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