選擇規(guī)格尺寸 點(diǎn)擊↓ 2# 3# 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 7/16 1/2 |
尺寸單位:
inch |
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①,若以小數(shù)規(guī)定公稱直徑,應(yīng)省略小數(shù)前和小數(shù)點(diǎn)后第四位的零。 ②,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2倍螺距。 若無其他規(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2倍螺距。 若無其他規(guī)定,長(zhǎng)螺釘最小螺紋長(zhǎng)度為 1.5 in 。 ③,螺桿直徑ds應(yīng)不小于2A級(jí)螺紋最小中徑,并不大于公稱(基本)螺紋大徑。 |
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 |
類似標(biāo)準(zhǔn)及供貨信息
1 |
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[國(guó)標(biāo)] GB /T 2672 - 2004 |
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2 |
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[德標(biāo)] DIN 34805-1 - 2018 |
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3 |
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[法國(guó)] NF E 25-109 - 2001 |
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4 |
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[美標(biāo)] ASME B 18.6.3 (H7B-VI) - 2024 |
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5 |
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[美標(biāo)] ASME B 18.6.3 (T39-VI) - 2013 |
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6 |
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[美標(biāo)] ASME B 18.6.3 (T25-VI) - 2013 |
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7 |
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[美標(biāo)] ASME B 18.3 (Table 11-III) - 2012 |
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8 |
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[日本汽車工業(yè)協(xié)會(huì)標(biāo)準(zhǔn)] JASO F 116 - 2005 |
梅花槽扁圓頭螺釘 T-type TORX Truss Head Machine Screws |