Mechanical and Material Requirements for Steel Nuts

Standard:
Revised:
  • 2012-02-21
 
Publisher:
  • SAE International
Pages:
9
Scope:

This SAE Standard covers the mechanical and material requirements for three grades of steel nuts suitable for use in automotive and related engineering applications, in sizes 1/4 to 1-1/2 in, inclusive, and with dimensions conforming with the requirements of the latest issue of SAE J482 or ASME B18.2.2, except for machine screw nuts which are not covered in this standard.

This document does not include limits for surface discontinuities. Where usage requires such control, limits may be specified separately. For sizes 1/4 through 1 in, this may be done by the statement: "Surface discontinuities shall not exceed the limits specified in ASTM F812/F812M."

Rationale:

There are many nut products for industrial applications that are furnished as Grades 2, 5, and 8, but are not specifically covered by the previous revision of SAE J995. This standard has been expanded by the following changes:

1. Added Grade 2 to all nut types because they are being specified.

2. Added nut types that are being specified, but are not currently covered. Added Appendix Tables A2 and A3 to provide easier use of the standard when determining specific proof load values.

3. Changed the quality requirements to those maintained by ASTM so that testing laboratories will have fewer standards and procedures to refer to in the future. This will not add testing requirements to these products. It will simply make the evaluation procedures for nut made to ASTM and SAE the same.

4. Added illustration to better explain the grade markings for various SAE nuts.

History:
Standard Published Revision Status
J995_201707 2017-07-20 Latest Revised
2012-02-21 Historical Revised
1999-07-01 Historical Revised
1979-06-01 Historical Revised
1974-09-01 Historical Revised
AKA:
  • SAE J 995
Sector:
Topic:
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