選擇規格尺寸 點擊↓ 4# 5# 6# 8# 10# 12# 1/4 5/16 3/8 |
尺寸單位:
inch |
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①,凹穴六角頭允許所有邊緣和棱角略有圓鈍,但支承面圓周直徑應不小于最小對邊寬度的90%。 ②,若以小數規定公稱直徑,應略去小數點前面的零和第四位小數零。 |
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.
标稱螺釘尺寸的長度公差 | |||
标稱螺釘長度 | 螺紋規格 | ||
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 |
類似标準及供貨信息
1 | [美标] ASME B 18.6.3 (T30-VI) - 2013 |
梅花槽凹穴六角頭以及大六角頭螺釘 Hexalobular Socket and Indented Regular and Large Hex Head Screws |