Complete Home Plumbing & Heating Handbook
- ISBN-10
- 0668039396
- ISBN-13
- 9780668039390
- Category
- Heating
- Pages
- 672
- Language
- English
- Published
- 1977
- Author
- Jeannette T. Adams
Description
RECESSED SCREWS 105 REED AND PRINCE HEAD + TORQ - SET SCREW HEAD PHILLIPS HEAD Fig . 101. Phillips , Reed and Prince , and Torq - set screw heads . hold the driver in the slot . Keep the shank perpendicular to the screw head ( Fig .
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