Table of contents Introduction 2 Equipment and tools 3 Micrometers and their use 6 Thread cutting 9 Heat treating tool steel 71 How heating changes the structure of tool steel 74 Heat-treatment of tool steel - 2 76 Making an electric heat-treat oven 79 Making cutting tools 86 Making the reamer or cutting tool ball cutter 89 Taper turning 92 Keyway cutter 94 Heat treating the reamer 96 Turning steel 100 Cutting tools and tool holders 105 Tool post grinder 109 Making the dies 111 Thread cutting in a lathe 115 Making bullet molds 119 Bullet sizes 123 Pistols and revolvers 126 Cartridge dimensions 127 Loading dies for a press 129