E & S Precision
Machine INC.
For an aluminum and steel by the foot weight chart in PDF click here. (Right click to save to your computer, Mac users control click)
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you can get it here for free. Click on logo
Maryland Metrics Technical Reference page
Maryland Metrics Technical Data Chart:
Method of Indicating Surface Finish to DIN ISO 1302
Maryland Metrics
Technical Data Chart:
General Tolerances to DIN ISO 2768 T1 and T2
Military Standard 105E Inspection Tables
Military Standard 105E, ANSI/ASQC Z1.4, ISO 2859 Table Switching Rules