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Blind, Threaded - BSO, BSO4, BSOA, BSOS With two types of blind holes and hole, used on the circuit board for interval or fixture function
All dimensions are in inches.
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| UNIFIED (英制) |
Thread Size |
Type (Model) | Thread Code |
Length "L" +.002-.005 Length Code in 32nds of an inch |
Min. Sheet Thicknesss |
Hole Size in Sheet +.003 -.000 |
C -.005 |
H Nom. |
Min. Dist Hole C/L To Edge | ||||
|
.112-40 (#4-40) |
K-BSO4 | 440 | 10 | 14 | 16 | 22 | .040 | .166 | .165 | .187 | .23 | ||
| 6440 | .040 | .213 | .212 | .250 | .28 | ||||||||
|
.138-32 (#6-32) |
K-BSO4 | 632 | 12 | 18 | 24 | .040 | .213 | .212 | .250 | .28 | |||
| 8632 | 20 | 26 | .050 | .281 | .280 | .312 | .33 | ||||||
|
.164-32 (#8-32) |
K-BSO4 | 832 | 28 | .050 | .281 | .280 | .312 | .33 | |||||
| 30 | |||||||||||||
|
.190-32 (#10-32) |
032 | 32 | .050 | .281 | .280 | .312 | .33 | ||||||
| 34 | |||||||||||||
| D Dimension Min. | .156 | .187 | .250 | .375 | |||||||||
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| METRIC (公制) | Thread Size × Pitch | Type (Model) | Thread Code |
Length "L" +0.05-0.13 Length Code in millimeters |
Min. Sheet Thicknesss |
Hole Size in Sheet +.003 -.000 |
C -.013 |
H Nom. |
Min. Dist Hole C/L To Edge | ||||
| M3×0.5 | K-BSO4 | M3 | 6 | 8 | 11 | 14 | 18 | 1 | 4.2 | 4.19 | 4.8 | 6 | |
| 3.5M3 | 1 | 5.4 | 5.38 | 6.4 | 7.1 | ||||||||
| M3.5×0.6 | K-BSO4 | M3.5 | 10 | 16 | 20 | 1 | 5.4 | 5.38 | 6.4 | 7.1 | |||
| M4 | 22 | 13 | 7.2 | 7.1 | 7.9 | 8.4 | |||||||
| M4×0.7 | 25 | ||||||||||||
| M5×0.8 | M5 | 32 | 13 | 7.2 | 7.1 | 7.9 | 8.4 | ||||||
| D Dimension Min. | 3.2 | 4 | 5 | 6.5 | 9.5 | ||||||||
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