Self-locking keeps tools like screw jacks from unwinding under load. Acme Screw Thread Profile by Wizard191 CC-BY-SA 3.0 Screw thread profiles can be modified from the standard V profile for ...
ASME B1.5-1997 (R2014) Acme Screw Threads Trapezoidal Thread Form Tr ... General plan V Thread Form M6x1 ISO 262:1998 ISO general purpose metric screw threads—Selected sizes for screws, bolts and nuts ...