1.1 This specification covers the requirements for quenched and tempered alloy steel screws 1.6 mm through 48 mm in diameter having a minimum ultimate tensile strength of 1170 MPa.

1.2 The following hazard caveat pertains only to the test method portion, Section 10, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.