ASTM-F959 2005
$40.63
F959-05a Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners
Published By | Publication Date | Number of Pages |
ASTM | 2005 | 5 |
1.1 This specification covers the requirements for compressible-washer-type direct tension indicators capable of indicating the achievement of a specified minimum bolt tension in a structural bolt.
1.2 Two types of direct tension indicators in nominal diameter sizes 1/2 through 11/2 in. are covered:
1.2.1 Type 325direct tension indicators for use with Specification A 325 bolts, and
1.2.2 Type 490direct tension indicators for use with Specification A 490 bolts.
1.3 Direct tension indicators are intended for installation under either a bolt head or a hardened washer. (See Research Council on Structural Connections: Specification for Structural Joints Using ASTM A 325 or A 490 Bolts.)
The following precautionary statement pertains only to the test method portions, Section and 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.
PDF Catalog
PDF Pages | PDF Title |
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1 | Scope Referenced Documents Terminology Ordering Information FIG. 1 |
2 | Materials and Manufacture Chemical Composition Performance Requirements Dimensions Workmanship, Finish, and Appearance Number of Tests and Retests TABLE 1 |
3 | Specimen Preparation Test Methods Inspection Rejection Certification Responsibility Product Marking Packaging and Package Marking TABLE 2 TABLE 3 |
4 | Storage Keywords X1. FIELD TESTING OF DIRECT TENSION INDICATORS FOR BOLT TENSION TABLE 4 |