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1. Pan Head | |
12. Flat and Oval Heads (Undercut) | |
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2. Flat Head | |
13. Flat Head (100 degree Countersunk) | |
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3. Round Head | |
14. Square Shoulder Screws | |
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4. Oval Head | |
15. Indented Hexagon | |
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5. Fillister Head | |
16. Indented Hexagon Washer Head | |
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6. Binding Head (Straight Side) | |
17. Acorn Head (Full Undercut) | |
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7. Truss Head | |
18. Hexagon Head (Trimmed) | |
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8. Holt Head (Patented) | |
19. Head Styles (Welding Screws) | |
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9. One-Way Head | |
20. Flat Head | |
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10. Phillips Finishing Washer Head | |
21. Type "T"(Overlug) | |
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11. Washer Head | |||
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