US Metric ANSI B1-13M SHCS FGSCS BSHCS Index and Parts Library for Alibre - Rev New 2018-05-21

An Index and Parts Library of Socket Drive Screws defined under ANSI B1.13M-2005 (which has been being "gutted" since 2009) with a LibreOffice Calc spreadsheet Index and a complete Library of Parts for those who attempt to use metric fasteners under the devolving American system.