)
All dimensions are in inches.
| UNIFIED (英制) |
Thread Size |
Type(Model) | Thread Code |
Shank Code |
A (Shank) Max. |
Min. Sheet Thicknesss |
Hole Size in Sheet +.003 -.000 |
B Max. |
C Max. |
E ±.010 |
Min. Depth Full Threads H |
L Max. |
T ±.010 |
Min. Dist Hole C/L To Edge | |
| Steel | Stainless Steel | ||||||||||||||
|
.112-40 (#4-40) |
K-B | K-BS | 440 | 1 | .038 | .040 | .166 | .150 | .165 | .25 | .21 | .335 | .38 | .19 | |
| 2 | .054 | .056 | |||||||||||||
|
.138-32 (#6-32) |
K-B | K-BS | 632 | 1 | .038 | .040 | .1875 | .169 | .187 | .28 | .23 | .335 | .38 | .22 | |
| 2 | .054 | .056 | |||||||||||||
|
.164-32 (#8-32) |
K-B | K-BS | 832 | 1 | .038 | .040 | .213 | .204 | .212 | .31 | .28 | .385 | .44 | .27 | |
| 2 | .054 | .056 | |||||||||||||
|
.190-32 (#10-32) |
K-B | K-BS | 032 | 1 | .038 | .040 | .250 | .235 | .249 | .34 | .28 | .385 | .44 | .28 | |
| 2 | .054 | .056 | |||||||||||||
|
.250-20 (#1/4-20) |
K-B | K-BS | 0420 | 1 | .054 | .056 | .344 | .305 | .343 | .43 | .31 | .500 | .56 | .34 | |
| 2 | .087 | .090 | |||||||||||||
All dimensions are in millimeters.
| METRIC (公制) | Thread Size × Pitch | Type(Model) | Thread Code |
Shank Code |
A (Shank) Max. |
Min. Sheet Thicknesss |
Hole Size in Sheet +.003 -.000 |
B Max. |
C Max. |
E ±.010 |
Min. Depth Full Threads H |
L Max. |
T ±.010 |
Min. Dist Hole C/L To Edge | |
| Steel | Stainless Steel | ||||||||||||||
| M3×0.5 | K-B | K-BS | M3 | 1 | 0.97 | 1 | 4.25 | 3.84 | 4.22 | 6.35 | 5.3 | 8.5 | 9.6 | 4.8 | |
| 2 | 1.38 | 1.4 | |||||||||||||
| M4×0.7 | K-B | K-BS | M4 | 1 | 0.97 | 1 | 5.4 | 5.2 | 5.38 | 7.95 | 7.1 | 9.8 | 11.2 | 6.9 | |
| 2 | 1.38 | 1.4 | |||||||||||||
| M5×0.8 | K-B | K-BS | M5 | 1 | 0.97 | 1 | 6.4 | 6.02 | 6.38 | 8.75 | 7.1 | 9.8 | 11.2 | 7.1 | |
| 2 | 1.38 | 1.4 | |||||||||||||
| M6×1 | K-B | K-BS | M6 | 1 | 1.38 | 1.4 | 8.75 | 7.8 | 8.72 | 11.1 | 7.8 | 12.7 | 14.3 | 8.6 | |
| 2 | 2.21 | 2.3 | |||||||||||||
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