Miscellaneous ZC Engineer's Zeus Chart

Engineer-s-Zeus-Chart-RVFM-ZC-P-An-extremely-handy-pocket-sized-reference-booklet-of-data-charts-and-tables-for-the-drawing-office-toolroom-or-workshop-P-P-This-metric-revision-publication-is-produced-by-Zeus-Precision-Charts-Ltd-who-are-members-of-the-British-Standards-Institution-P-P-The-28-laminated-pages-contain-data-on-standard-drill-sizes-and-decimal-equivalents-tapping-drills-and-clearances-for-metric-and-imperial-threads-BS4500-tolerances-hardness-comparisons-jig-boring-c

Price: 15.60 from Rapid Online Rapid Electronics Ltd.