Abstract of ASTM F812/F812M
SURFACE DISCONTINUITIES OF NUTS
English
2007
0.000
Detailed Information
This specification establishes allowable limits for the various types of surface discontinuities that may occur during the manufacture and processing of inch-series nuts with nominal diameters 1/4 in. and larger.

Download File
(Log in to download spec.)
Check out other specifications
1992
English
Mechanical properties of fasteners – Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
This part of ISO 898 specifies a torsional test for the determination of the breaking torque of bolts and screws with nominal diameters 1 mm to 10 mm with property classes 8.8 to 12.9 in accordance with ISO 898-1. The test applies to bolts and screws with thread less than M3 for which no breaking...
1973
English
Knurls
Compared with the January 1940 issue of DIN 82, the standard denomination "knurl" has been adopted for all types, since the previous denomination "diamond knurling" and "negative diamond knurling" were not used consistently, and hence difficulties arose in the choice of tools. Some types of knurl...
1978
English
ISO general purpose metric screw threads – Gauging
This International Standard gives the necessary instructions for the manufacture and use of gauges for checking ISO general purpose metric screw threads complying with ISO 68 and ISO 261. It is recognized that other methods of checking may be used, for example measurement with indicating instrum...
2002
English
INSPECTION AND QUALITY ASSURANCE FOR HIGH-VOLUME MACHINE ASSEMBLY FASTENERS
This standard outlines a Quality Assurance Plan for internally and externally threaded fasteners and accessories or associated parts. Provisions are included for sampling plans, inspection frequencies, control procedures, and record keeping. Included in this plan are fasteners such as those wher...