Guides
Reading engineering drawings
Reference guides to the parts of an engineering drawing that carry its data, what each box and column means and where it sits, with the standard behind it cited in a line. Free to read, with nothing to sign up for.
The guides
Start with the part of the drawing you are reading.
How to read an engineering drawing title block
Every box of an engineering drawing title block explained: drawing number, revision, sheet, scale, size, CAGE code, material, finish, tolerances and approvals.
Revision history blocks on engineering drawings, explained
How to read a drawing's revision block: the letters ASME Y14.35 uses and skips, zones, change orders, dash numbers, and how to tell the current revision.
How to read a bill of materials on an engineering drawing
How to read a drawing's parts list: find numbers and balloons, quantity per assembly, AR and REF, tabulated dash numbers, and loading a BOM into ERP or PLM.
General notes and flag notes on engineering drawings
What UNLESS OTHERWISE SPECIFIED covers, how flag notes work, which note wins, and the common notes on finish, burrs, marking, heat treat and material certs.
Engineering drawing abbreviations: a searchable glossary
Common engineering drawing abbreviations and what they mean, from ASSY and CRES to THRU and TYP, with the standard each comes from. Searchable and free.