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1.1 This specification covers the requirements for nonferrous socket set screws sizes 0.125 (#5) through 2.000 in., square head set screws sizes 0.190 (#10) through 1.500 in., and slotted headless set screws 0.125 (#5) through 0.750 in. in diameter manufactured from a number of nonferrous alloys in use in the marine industry and the U.S. Navy subject to seawater wetting and salt atmosphere but that also may be used in other applications. It is recommended that copper-based alloys not be used in attempting to prevent mechanical components from rotating, such as locking shafts, because of the low hardness of the alloys. Some alloys or sizes or both of set screws may not be readily available. Manufacturers or suppliers should be contacted before design development or anticipated procurement.
1.2 Units—The values stated in inch-pound units are to be regarded as the standard.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B154 Test Method for Mercurous Nitrate Test for Copper Alloys
E18 Test Methods for Rockwell Hardness of Metallic Materials
ICS Number Code 21.060.10 (Bolts, screws, studs)
UNSPSC Code 31161518(Socket screw)
ASTM F3042-13, Standard Specification for Nonferrous Hex Socket, Slotted Headless, and Square Head Set Screws, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top