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 requirements to be met by self-tapping and self-drilling screws with various forms of head, prior to the marketing of domestic and imported products, with a view to preventing deceptive practices.
It applies to the following products:
· Self-tapping threaded screws
· Hexagon head self-tapping screws
· Slotted pan head self-tapping screws
· Slotted countersunk (flat) head self-tapping screws
· Slotted raised countersunk (oval) head self-tapping screws
· Heat-treated steel self-tapping screws
· Stainless steel self-tapping screws
· Cross-recessed pan head self-tapping screws
· Cross-recessed countersunk (flat) head self-tapping screws
· Cross-recessed raised countersunk (oval) head self-tapping screws
· Hexagon washer head self-tapping screws
· Self-tapping screw and washer assemblies with plain washers
· Self-drilling screws with tapping screw thread
· Plain washers for self-tapping screw and washer assemblies. Normal and large series. Product grade A
· Hexalobular socket pan head self-tapping screws
· Hexalobular socket countersunk head self-tapping screws
· Hexalobular socket raised countersunk (oval) head self-tapping screws
· Hexagon washer head self-drilling screws with tapping screw thread
· Cross-recessed pan head self-drilling screws with tapping screw thread
· Cross-recessed countersunk head self-drilling screws with tapping screw thread
. Cross-recessed raised countersunk head self-drilling screws with tapping screw thread