1.1 This specification establishes quality assurance requirements for the physical, mechanical, and metallurgical requirements for carbon and alloy steel wire, rods, and bars in coils intended for the manufacture of mechanical fasteners which includes: bolts, nuts, rivets, screws, washers, and special parts manufactured cold.

1.2 Wire size range includes 0.062 to 1.375 in.

1.3 Rod size range usually includes ⁷/₃₂ in. (0.219) to ⁴⁷/₆₄ in. (0.734) and generally offered in ¹/₆₄ increments (0.0156).

1.4 Bar size range includes ³/₈ in. (0.375) to 1¹/₂ in. (1.500).

1.5 Sizes for wire, rod and bar outside the ranges of paragraphs 1.2 - 1.4 may be ordered by agreement between purchaser and supplier.

1.6 Material is furnished in many application variations. The purchaser should advise the supplier regarding the manufacturing process and finished product application as appropriate. Five application variations are:

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.