Free Utility BoltGen plug-in is now available in Resources-Mechanical Design. Runs on any version of Rhino.
Program creates accurate Metric and English machine screws and bolts, any length.
Makes Sockethead Capscrews, Flat head Machine screws, Flat head Capscrews, Pan heads, and Hex Heads, or just threads without heads.
Head drives include Torx, Philips, Allen Hex and Hex wrench.
Some small head details (fillets) have not been implemented to keep the file sizes small, but can easily be created if desired.
Regards, Ray McKaig