Zeus Chart Engineers Reference Booklet The Zeus Chart Engineers Reference Booklet, available from Trade Counter Direct, is an essential pocket-sized resource for professionals in the drawing office, toolroom, or workshop. Produced by Zeus Precision Charts Ltd—members of the British Standards Institution—this metric revision publication offers quick access to a comprehensive range of engineering data charts and tables. Featuring 28 laminated pages, this durable booklet provides vital technical information, making it an indispensable companion for engineers, machinists, and technicians who require accurate data at their fingertips. Features Pocket-sized design for easy portability and quick reference Contains 28 laminated pages for enhanced durability Includes standard drill sizes and decimal equivalents Provides tapping drills and clearances for both metric and imperial threads Covers BS4500 tolerances and hardness comparison tables Features jig boring co-ordinates for equally spaced holes Details allowances for sheet metal bending and Morse tapers Offers extended tables for sine, cosine, tangent, and cotangent values Produced by Zeus Precision Charts Ltd, members of the British Standards Institution Specifications SKU MISZC Publisher Zeus Precision Charts Ltd Number of Pages 28 Page Finish Laminated Content Standard drill sizes, decimal equivalents, tapping drills and clearances (metric and imperial), BS4500 tolerances, hardness comparisons, jig boring co-ordinates, sheet metal bending allowances, Morse tapers, trigonometric tables Membership British Standards Institution