Engineer's Zeus Chart - Pocket Metric Reference Booklet

The Engineer's Zeus Chart is an indispensable pocket-sized reference booklet designed for professionals in the drawing office, toolroom, or workshop. Produced by Zeus Precision Charts Ltd, a member of the British Standards Institution, this metric revision publication is packed with essential data charts and tables.

With 28 laminated pages, this durable booklet provides quick access to critical engineering references, including:

• Standard drill sizes and decimal equivalents
• Tapping drills and clearances for metric and imperial threads
• BS4500 tolerances for precision engineering
• Hardness comparisons for material selection
• Jig boring co-ordinates for equally spaced holes
• Allowances for sheet metal bending for accurate fabrication
• Morse tapers for machine tool applications

Additionally, the booklet features comprehensive trigonometric tables for sine, cosine, tangent, and cotangent functions, making it a versatile tool for both manual calculations and QC checks. Its compact size and laminated pages ensure it can withstand the rigours of daily use in any technical environment.