CONTENTS DRILLING AND BORING-Continued Section Page Reamers 10 20 Countersinks 10 28 Counterbores 10 30 Spot Facing 10 33 Taps 10 34 Devices for Holding Tools 10 35 Securing Work to the Table of the Simple Drilling Machine 10 42 Types of Drilling Machines and Their Uses 11 1 Boring Machines 11 23 Horizontal Drilling and Boring Machines 11 29 Cylinder Boring 11 40 Boring Spherical Bearings 11 44 Drilling-Machine Operations 12 1 Lubricating 12 7 Drill Grinding 12 8 Drilling and Boring Jigs and Fixtures 12 11 Miscellaneous Tools and Fixtures 12 24 Tables 12 29 Morse Taper Shank 12 30 Morse Tapers 12 31 Speed and Feed of Drills 12 32 Cutting Speeds 12 33 Tap Drills 12 34 Twist Drills for Pipe Taps 12 35 Recent Tests of Twist Drills 12 35
Milling-Machine Work Definitions 13 1 Construction of Machine 13 4 Advantages of Milling Machines 13 9 Milling Cutters 13 10 Classification of Cutters 13 10 Construction of Cutters 13 11 Face Milling Cutters 13 11 Side Milling Cutters 13 18
