Online Catalogue last updated 23rd of May 2020
This is the popular small pocket booklet that is the reference book for fitters, metal workers and draftmen. It is printed on stiff card, with a protective plastic coating that makes it very durable for use in the workshop.
The tabulated data includes the following: Standard Imperial & metric drill sizes with decimal inch equivalents; thread sizes, tapping drills & clearance drills for the following threads - ISO metric fine, B.S.F., Whitworth, BSP, Unified screw threads, ANC, ANF, ISO metric coarse, UNF, UNC; selected ISO fit hole basis; Hardness comparison table; Equally spaced holes in a circle; allowances for sheet metal bending; morse taper sizes; letter addresses for numerical control; Engineering drawings abbreviations; triangle area and side length calculations; Metric - Imperial conversion tables.
Code No. 007953, 28 pages, $28.00