ASTM F 2482 : 2008 : R2015

1.1This specification covers externally threaded bolts, studs, and cap screws as defined in Table 1, herein called fasteners, capable of indicating clamping forces up to yield strength during the tightening process or post installation residual tension, or both. Load-indicating fasteners utilize mechanical, electronic, or ultrasonic means to indicate fastener tension.

1.2This specification covers bolt diameters ¹/₄to 7 in. inclusive.

1.3These fasteners provide a means to verify the desired clamp load in critical applications upon installation and in service.

1.4The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

1.5The following precautionary statement pertains only to the test method portion, Section 11, of the 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.