Disclaimer: The information on this page has not been checked by an independent person. Use this information at your own risk. |
Click arrows to page adverts
These Pages include various standards. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. It is also possible to become a BSI member and obtain copies of the Standards at much reduced prices. |
Thread dimensions for ISO "medium" class threads 1,6mm to 300mm
Equations & Tables for Screw Thread Tolerance calculations
......................................................................................................
Suppliers sites with Screw sizes/Specs
|
......................................................................................................
Sites Providing Information On Bolt/Screw Design
|
......................................................................................................
Note: on tapping holes:
I normally specify a tapped hole depth of 1.5 dia for a fully threaded hole in a blind tapped hole (steel male and female).
The depth of threaded hole if a plug tap is not used i.e for automatic one stage tapping would be deeper.
According to BS1936 the tapping drill should be have a depth greater than the tapped depth (clearance depth) as follows
|
Please Send Comments to Roy Beardmore
Last Updated 24/01/2013