| 選擇規(guī)格尺寸 點(diǎn)擊↓ 0# 1# 2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2 | 尺寸單位:
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| ①,機(jī)械螺釘?shù)穆菁y長(zhǎng)度: 1)螺紋規(guī)格≤5#: 公稱長(zhǎng)度≤3倍公稱直徑的應(yīng)為滿扣產(chǎn)品,頭下螺紋肩距≤1倍螺距。 公稱長(zhǎng)度>3倍公稱直徑到 1-1/8 in 的,允許頭下肩距最大不超過(guò)2倍螺距。 若無(wú)其他規(guī)定,長(zhǎng)螺釘?shù)淖钚÷菁y長(zhǎng)度為1 in 。 2)螺紋規(guī)格≥6#: 公稱長(zhǎng)度≤3倍公稱直徑的應(yīng)為滿扣產(chǎn)品,頭下螺紋肩距≤1倍螺距。 公稱長(zhǎng)度>3倍公稱直徑到 2 in 的,允許頭下螺紋肩距最大不超過(guò)2倍螺距。 若無(wú)其他規(guī)定,長(zhǎng)螺釘最小螺紋長(zhǎng)度為 1.5 in 。 ②,由于復(fù)合槽導(dǎo)致材料填充不足,最小槽深比開(kāi)槽盤頭的槽深約小10%。 | 
Machine screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 5/8 in. long, 1/8 in. for screws over 5/8 in. through 1-1/2 in. long, and 1/4 in. for screws over 1-1/2 in. long.
| 標(biāo)稱螺釘尺寸的長(zhǎng)度公差 | |||
| 標(biāo)稱螺釘長(zhǎng)度 | 螺紋規(guī)格 | ||
| 0000~00 | 0~12 | 1/4~3/4 | |
| ≤1/2 | -0.01 | -0.02 | -0.03 | 
| >1/2,≤1 | -0.02 | -0.03 | -0.03 | 
| >1,≤2 | / | -0.06 | -0.06 | 
| >2 | / | -0.09 | -0.09 | 
 478963405
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                                       277278356
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277278356
          移動(dòng)電話:
                15067776686
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