ГОСТ 27017-86 Изделия крепежные. Термины и определения стр. 8

4.1. As-rolled end
4.2. Rounded end
4.3. Chamfered end
4.4. Cone point
4.5. Truncated cone point
4.6. Cup point
4.7. Flat point
4.8. Long dog point
4.9. Short dog point
4.10. Short dog point with rounded end
4.11. Short dog point with truncated cone end
4.12. Scrape point
4.13; 4.14 End for self-tapping screw
4.15. End for thread rolling screw
4.16. Gimlet
5.1. Hexagon
5.2. Square
5.3. Triangle
5.4. Octagon
5.5. 12point
5.6. Triangle
5.7. Square socket
5.8. Hexagon socket
5.9. Six-spline socket
5.10. 12point socket
5.11. Slot
5.12. Cross recess
5.13. Wing
5.14. Straight knurl
5.15. Diamond knurl
5.16. Cross hole
6.1. Hexagon bolt
6.2. Hexagon fit bolt
6.3. Hexagon set screw with full dog point
6.4. Hexagon set screw with half dog point and flat cone point
6.5. Hexagon screw with waisted shank
6.6. Hexagon bolt with collar
6.7. Hexagon bolt with flange
7.1. Square head bolt
7.2. Square head bolt with collar
7.3. Square set screw with half dog point
7.4. Square set screw with cup point
7.5. Square set screw with collar and half dog point with rounded end
8. Triangle head bolt with collar
9. Оctagon bolt
10. 12point flange screw
11.1. T-head bolt
11.2. T-head bolt with square neck
11.3. T-head bolt with double nib
12.1. Mushroom head square neck bolt