Designation Information for Screws, Bolts, Nuts, Washers, and Rivets Shapes, Types and Additional Specifications
Previous issues
VW 60424: 1998-09, 1999-07, 2005-10, 2007-10Changes
The following changes have been made as compared to VW 60424: 2007-10:–descriptors added –Title changed
–Section 3, "Special design features (ordered alphabetically)" incorporated –Appendix A.1 integrated into Section 3
–Former Table 1 split into Tables 2, 3, 4, 5, and 6
–Scope of application was narrowed for various shapes –"TC", "MAT", and "MATS" shapes added –Shape "ET" renamed to "GFB"
–Shape "BSF" renamed to "FFS"; dimensions modified
–Specifications regarding d 8, d 9, d 10, l 7, l 8, l 9, and l 10 added to Table 7 (previously Table 2)–Specifications regarding M7 added to Table 8 (previously Table 3)–Text in Nos. 5 and 6 amended in Table 9 (previously Table 4)–"FXK" underhead design added to Table 9
–Additional "MKI" and "MKLI" specifications added
–Values in Nos. 13 and 16 modified in Table 10 (previously Table 5)–Tables 11, 12, and 13 added –
Form "Pow" changed to "GFS"
Group Standard
VW 60424
Issue 2009-08
Class. No.:61036
Descriptors:
bolt, nut, washer, RIPP, thread end, convex screw, concave screw, shape, additional specifications, re-rolled, final-rolled, underhead geometry, type, duo, self-tapping screw, bolt collar, thread runout, cone point, rivet, scrape point, residual foreign matter, standard designation, designation information, thread shape, underhead geometry, thread forming
Check standard for current issue prior to usage.
This electronically generated standard is authentic and valid without signature.
The English translation is believed to be accurate. In case of discrepancies the German version shall govern.Numerical notation acc. to ISO practice.
Page 1 of 26
Technical responsibility Standards Department EKDV/3
truncated form
Matthias Jesser
Tel.: +49-5361-9-48810
EKDV/4 Jürgen Wiesner EKDV
Tel.: +49-5361-9-29064
Manfred Terlinden
Confidential. All rights reserved. No part of this document may be transmitted or reproduced without prior permission of a Standards Department of the Volkswagen Group.Parties to a contract can only obtain this standard via the B2B supplier platform www.vwgroupsupply.
© Volkswagen Aktiengesellschaft
VWNORM-2008-12j
Contents
Page
Scope .............................................................................................................................2Description .......
..............................................................................................................2Special design features (ordered alphabetically) ...........................................................2Dimensions, shapes, figures ..........................................................................................5Metric screw thread ends ...............................................................................................5Thread-forming screw thread ends ..............................................................................10Underhead designs ......................................................................................................17Additional specifications ...............................................................................................20Thread shapes with additional functions ......................................................................23GF ................................................................................................................................23GFS ..............................................................................................................................23GFB ..............................................................................................................................23FFS ..............................................................................................................................24SCU .............................................................................................................................24Referenced documents ................................................................................................2512344.14.24.34.44.54.5.14.5.24.5.34.5.44.5.55Scope
This standard defines the pattern used for the standard designation of screws, bolts, nuts, washers,an
d rivets. It is used to complement the information given in DIN 76-1, DIN 962, DIN 267-27,DIN 267-28, DIN 267-30, DIN 34803, DIN EN ISO 4753, and DIN EN ISO 10644.VW 60361 (Parts Reduction) must be taken into consideration.Description
Following is a description example for a hexagon flange bolt according to VW 60572 with additional shapes: Mechanical drive (duo), thread almost up to head (A), thread M10, length 115 mm, thread end (TC), property class 10.9 and surface t647.
Duo hexagon flange bolt VW 60572 – AM10 × 115 – TC – 10.9 – Ofl-t647
or
Duo hexagon flange bolt N 106 833 01
Special design features (ordered alphabetically)
See Table 1.
1
2
3
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VW 60424: 2009-08
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VW 60424: 2009-08 Table 1 – Abbreviations for special design features
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VW 60424: 2009-08
a)
An "X" (e.g., BSFX) is added to special design features deviating from the shapes and designs described in the standard.
Dimensions, shapes, figures
Dimension letters and their designations are specified in DIN EN 20225.Metric screw thread ends
See Table 2 for preferred shapes for metric screw thread ends. Thread ends for special applications are compiled in Table 3 and may only be used in coordination with Planning and Installation. Thread ends that must not be used anymore for new applications are summarized in Table 4. The dimensions corresponding to thread ends are described in Table 7 and Table 8.
4  4.1
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VW 60424: 2009-08

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