Chapter 9. Hand Tools & Measuring Devices
Hand Tools & Measuring Devices 9-1
General Purpose Tools 9-1
Hammers and Mallets 9-1
Screwdrivers 9-1
Pliers and Plier-Type Cutting Tools 9-3
Punches 9-3
Wrenches 9-4
Special Wrenches 9-5
Torque Wrench 9-7
Strap Wrenches 9-7
Impact Drivers 9-8
Metal Cutting Tools 9-8
Hand Snips 9-8
Hacksaws 9-8
Chisels 9-9
Files 9-10
Files—Care and Use 9-10
Most Commonly Used Files [Figure 9-17] 9-10
Care of Files 9-12
Drills 9-12
Twist Drills 9-12
Reamers 9-13
Countersink 9-17
Taps and Dies 9-17
Layout and Measuring Tools 9-18
Rules 9-18
Combination Sets 9-18
Scriber 9-21
Dividers and Pencil Compasses 9-21
Calipers 9-21
Micrometer Calipers 9-21
Micrometer Parts 9-22
Reading a Micrometer 9-22
Vernier Scale 9-23
Using a Micrometer 9-24
Slide Calipers 9-25
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