Workshop practice series 12 Drills Taps and Dies

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Workshop practice series 12 Drills Taps and Dies

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Contents

AUTHOR’S PREFACE 6
SECTION 1 Twist Drills 7
SECTION 2 Drills of Other Kinds 24
SECTION 3 Drill Sharpening 31
SECTION 4 Drill Chucks 38
SECTION 5 Screw Threads 44
SECTION 6 Taps and Dies- General 54
SECTION 7 Hand Taps 57
SECTION 8 Tapping Drills 63
SECTION 9 Screwing Dies 71
SECTION 10 Tap and Die Sharpening 78
APPENDIX A Dri IIi ng Forces 81
APPENDIX 8 Dimensions of BA Tap Shanks 82
APPENDIX C Tables 83
INDEX 102