Zeus Chart Engineers

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Description:

• An extremely handy pocket sized reference booklet of data charts and tables for the drawing office, toolroom or workshop.
• This metric revision publication is produced by Zeus Precision Charts Ltd, who are members of the British Standards Institution.
• 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 co-ordinates for equally spaced holes, allowances for sheet metal bending and Morse tapers.
• Also, long tables for sine, cosine, tangents and cotangent.