ASTM-F421 › Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires
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Scope
1.1 This test method describes standard procedures for measuring the groove and void depth in passenger car tires.
1.2 Any mechanical, optical, or electronic device capable of measuring groove (void) depth can be used, but only the contact methodology is described here. Noncontact methodology is beyond the scope of this test method.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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.
Keywords
depth gage; groove depth; irregular wear; tread depth; ICS Number Code 83.160.10 (Road vehicle tyres)
To find similar documents by ASTM Volume:
09.02 (Rubber Products, Industrial - Specifications and Related Test Methods; Gaskets; Tires)
To find similar documents by classification:
83.160.10 (Road vehicle tyres Including cycle tyres, and tyre retreading and repair processes)
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Document Number
ASTM-F0421-15R21
Revision Level
2015 R21 EDITION
Status
Current
Modification Type
Revision
Publication Date
April 22, 2021
Document Type
Test Method
Page Count
4 pages
Committee Number
F09.30