Other wood screws (HS 731812); Self-tapping screws (HS 731814); Other screws and bolts, whether or not with their nuts or washers (HS 731815); Other (HS 731819)
Proyecto de Primera Revisión del Reglamento Técnico Ecuatoriano PRTE INEN 170 (1R) "Tornillos autorroscantes y autotaladrantes" (Draft first revision (1R) of Ecuadorian Technical Regulation PRTE INEN No. 170, "Self-tapping and self-drilling screws") (9 pages, in Spanish)
The notified Ecuadorian Technical Regulation establishes the labelling requirements to be met by self-tapping and self-drilling screws with different types of heads, prior to the marketing of domestic and imported products, with a view to preventing deceptive practices.
It applies to the following products:
1. Self-tapping threaded screws;
2. Hexagon head self-tapping screws;
3. Slotted pan head self-tapping screws;
4. Slotted countersunk (flat) head self-tapping screws;
5. Slotted raised countersunk (oval) head self-tapping screws;
6. Heat-treated steel self-tapping screws;
7. Stainless steel self-tapping screws;
8. Cross-recessed pan head self-tapping screws;
9. Cross-recessed countersunk (flat) head self-tapping screws;
10. Cross-recessed raised countersunk (oval) head self-tapping screws;
11. Hexagon washer head self-tapping screws;
12. Self-tapping screw and washer assemblies with plain washers;
13. Self-drilling screws with tapping screw thread;
14. Plain washers for self-tapping screw and washer assemblies. Normal and large series. Product grade A;
15. Hexalobular socket pan head self-tapping screws;
16. Hexalobular socket countersunk head self-tapping screws;
17. Hexalobular socket raised countersunk (oval) head self-tapping screws;
18. Hexagon washer head self-drilling screws with tapping screw thread;
19. Cross-recessed pan head self-drilling screws with tapping screw thread;
20. Cross-recessed countersunk head self-drilling screws with tapping screw thread;
21. Cross-recessed raised countersunk head self-drilling screws with tapping screw thread.