几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量

几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量 (http://www.dimcax.com/hust/index.php)
-   American standards (http://www.dimcax.com/hust/forumdisplay.php?f=81)
-   -   ansi 9standards0 code issues - ansi b 18.6.3-1972 r1991 (http://www.dimcax.com/hust/showthread.php?t=20135)

huangyhg 2009-09-05 03:50 PM

ansi 9standards0 code issues - ansi b 18.6.3-1972 r1991
 
ansi ansi b 18.6.3-1972 r1991
does anyone have any information on standard sizes for cross tip screwdriver recesses in machine screws?
check out our whitepaper library.
in addition to the reference you have quoted in your heading, see also ansi b18.6.4 and ansi b18.6.5


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