Drills, Taps and Dies
by Harold Hall

Published by Special Interest Model Books Ltd, Dorset England

Softcover
150 x 210mm
103pp

R.R.P.$19.90

ISBN 978-0-85242-866-5

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Extract from back cover of book:

Drilling true and correctly dimensioned holes and cutting accurate threads are basic requirements in all engineering work, but as in all areas of engineering new materials and new techniques lead to alterations in standards. Many of these are primarily concerned with production engineering and are well documented, but others affect the quite different requirements of the small workshop and the model engineer. Examples of change include the discontinuence of 'number' drills and the phasing out of cycle threads; add the currently on-going change to metric (ISO) drills and screw threads and the need for an up-to-date book written with the small user in mind is apparent.

Drills, Taps and Dies not only provides comprhensive tables of all the tools available or likely to be encountered but also explains the differences in various types of drill and thread form and their practical applications.

One of the features of the book is a thorough examination of the correct size holes for thread tapping, which in itself could save readers the cost of the book several times over, in the avoidance of broken taps!

Photos: Black & White

Units of Measurement: Metric & Imperial

Contents

Author's Preface

Section 1 - Twist Drills

Section 2 - Drills of Other Kinds

Section 3 - Drill Sharpening

Section 4 - Drill Chucks

Section 5 - Screw Threads

Section 6 - Taps and Dies General

Section 7 - Hand Taps

Section 8 - Tapping Drills

Section 9 - Screwing Dies

Section 10 - Tap and Die Sharpening

Appendix A - Drilling Forces
Appendix B - Dimensions of BA Tap Shanks
Appendix C - Tables
Index