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Orukọ ọja | Alagbara Square Head boluti |
Ohun elo | Ti a ṣe lati irin alagbara 304, awọn skru wọnyi ni resistance kemikali to dara ati pe o le jẹ oofa kekere. Wọn tun mọ bi A2 alagbara, irin |
Ori Oriṣi | Square ori |
Gigun | Ti wọn lati labẹ ori |
Opo Iru | Okun isokuso, Opo Fine. Awọn okun isokuso jẹ boṣewa ile-iṣẹ; yan awọn skru wọnyi ti o ko ba mọ ipolowo tabi awọn okun fun inch. Awọn okun ti o dara ati afikun-dara julọ ti wa ni aaye ni pẹkipẹki lati yago fun sisọ lati gbigbọn; awọn finer awọn o tẹle, awọn dara awọn resistance. |
Ohun elo | Nipa idaji agbara ti awọn skru alabọde-alabọde, awọn skru wọnyi le ṣee lo fun awọn ohun elo imuduro iṣẹ ina, gẹgẹbi aabo awọn panẹli wiwọle. Awọn ẹgbẹ alapin ti o tobi jẹ ki wọn rọrun lati dimu pẹlu wrench ati pa wọn mọ lati yiyi ni awọn ihò onigun mẹrin. |
Standard | Awọn skru ti o pade ASME B1.1, ASME B18.2.1, ni ibamu pẹlu awọn iṣedede fun awọn iwọn. |
1. Awọn boluti alagbara ni resistance kemikali to dara ati pe o le jẹ oofa kekere.
2. Awọn okun isokuso jẹ boṣewa ile-iṣẹ.
3. Awọn okun ti o dara ati ti o dara julọ ti wa ni isunmọ ni pẹkipẹki lati ṣe idiwọ sisọ lati gbigbọn; awọn finer awọn o tẹle, awọn dara awọn resistance.
4. Awọn iwọn ti awọn square ori boluti ni o tobi, eyi ti o jẹ rọrun fun awọn wrench lati di, tabi gbekele lori miiran awọn ẹya ara lati da awọn yiyi; o tun le ṣee lo ni awọn ẹya ara pẹlu T-Iho lati ṣatunṣe awọn ipo ti awọn ẹdun. Ite C boluti aisun ti wa ni igba ti a lo lori rougher ẹya.
5. Boluti ori onigun mẹrin jẹ kanna bi boluti hexagon, ṣugbọn iwọn ori square ti boluti yii tobi ati dada agbara tun tobi. O ti wa ni igba ti a lo lori ti o ni inira ẹya, ati awọn ti o tun le ṣee lo ni awọn ẹya ara pẹlu T-sókè Iho lati ṣatunṣe awọn ẹdun ipo.
Dabaru Okun | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | ||
d | |||||||||||||||
d | 0.25 | 0.3125 | 0.375 | 0.4375 | 0.5 | 0.625 | 0.75 | 0.875 | 1 | 1.125 | 1.25 | 1.375 | 1.5 | ||
PP | UNC | 20 | 18 | 16 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | |
ds | o pọju | 0.26 | 0.324 | 0.388 | 0.452 | 0.515 | 0.642 | 0.768 | 0.895 | 1.022 | 1.149 | 1.277 | 1.404 | 1.531 | |
min | 0.237 | 0.298 | 0.36 | 0.421 | 0.482 | 0.605 | 0.729 | 0.852 | 0.976 | 1.098 | 1.223 | 1.345 | 1.47 | ||
s | Iwon Iforukọsilẹ | 3/8 | 1/2 | 9/16 | 5/8 | 3/4 | 15/16 | 1-1/8 | 1-5/16 | 1-1/2 | 1-11/16 | 1-7/8 | 2-1/16 | 2-1/4 | |
o pọju | 0.375 | 0.5 | 0.562 | 0.625 | 0.75 | 0.938 | 1.125 | 1.312 | 1.5 | 1.688 | 1.875 | 2.062 | 2.25 | ||
min | 0.362 | 0.484 | 0.544 | 0.603 | 0.725 | 0.906 | 1.088 | 1.269 | 1.45 | 1.631 | 1.812 | 1.994 | 2.175 | ||
e | o pọju | 0.53 | 0.707 | 0.795 | 0.884 | 1.061 | 1.326 | 1.591 | 1.856 | 2.121 | 2.386 | 2.652 | 2.917 | 3.182 | |
min | 0.498 | 0.665 | 0.747 | 0.828 | 0.995 | 1.244 | 1.494 | 1.742 | 1.991 | 2.239 | 2.489 | 2.738 | 2.986 | ||
k | Iwon Iforukọsilẹ | 11/64 | 13/64 | 1/4 | 19/64 | 21/64 | 27/64 | 1/2 | 19/32 | 21/32 | 3/4 | 27/32 | 29/32 | 1 | |
o pọju | 0.188 | 0.22 | 0.268 | 0.316 | 0.348 | 0.444 | 0.524 | 0.62 | 0.684 | 0.78 | 0.876 | 0.94 | 1.036 | ||
min | 0.156 | 0.186 | 0.232 | 0.278 | 0.308 | 0.4 | 0.476 | 0.568 | 0.628 | 0.72 | 0.812 | 0.872 | 0.964 | ||
r | o pọju | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.06 | 0.06 | 0.06 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | |
min | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | ||
b | L≤6 | 0.75 | 0.875 | 1 | 1.125 | 1.25 | 1.5 | 1.75 | 2 | 2.25 | 2.5 | 2.75 | 3 | 3.25 | |
L:6 | 1 | 1.125 | 1.25 | 1.375 | 1.5 | 1.75 | 2 | 2.25 | 2.5 | 2.75 | 3 | 3.25 | 3.5 |