VW01048_En_012001

Round Hexagon SocketDrive Shape for Threaded PartsKonzernnormDescriptors:Drive shape, threaded parts, round hexagon socket profileVW010 48ChangesThe following changes have been made as compared to the May 19 issue:- - - - Scope: Restriction to cheese head and countersunk head screws deletedFigure 1: Dimension t addedTable 1: Columns for dimensions c and W added, some dimensions changed;Application note for thread diameters ≥ M8 addedTable 2 addedPrevious Issues19-051 ScopeThe round hexagon socket profile according to this standard is a round hexagon drive shape, whichcauses a frictional surface effect with respect to the mounting tool. It is used for threaded parts upto property class 10.9.Figure 1 - Dimension specifications for the round hexagon socket profile1) Residual base thickness y ≥ 1/3 nominal thread diameter dForm FE 41 - 12.00Continued on page 2Fachverantwortung/ResponsibilityEZTNNormung/Standards (EZTN, 1733)KühnTel: +49-5361-923370SobanskiVertraulich. Alle Rechte vorbehalten. Weitergabe oder Vervielfältigung ohne vorherige schriftl. Zustimmung einer Normenabteilung des Volkswagen Konzerns nicht gestattet.Vertragspartner erhalten die Norm nur über die zuständige Beschaffungsabteilung.

Confidential. All rights reserved. No part of this document may be transmitted or reproduced without the prior written permission of a Standards Department of the Volkswagen Group.

Parties to a contract can only obtain this standard via the responsible procurement department.

© VOLKSWAGEN AG

Norm vor Anwendung auf Aktualität prüfen / Check standard for current issue prior to usage.Klass.-Nr. 01 51 2 January 2001Page 2

VW 010 48: 2001-01

Table 1 - Nominal sizes and dimensions

Nominalsize

A

min.2.7903.3203.8804.4805.5507.8708.0

max.2.8443.3783.9624.5595.6517.9708.990

Be

min.

f

max.

csphW

Applicable

T101520253045505560708090

min.max.min.max.2.012.382.783.203.995.586.40

2.072.442.863.284.075.686.508.109.67

0.560.670.820.871.131.731.762.602.803.393.534.35

0.590.700.860.911.181.781.812.682.883.473.634.46

0.2400.2680.2800.3060.3000.3440.3900.4280.4500.5040.5900.6390.7800.8390.7700.8441.0901.1571.200

1.284

≤0.25≤0.13

1.591.2.242.513.184.575.016.7.639.029.9611.58

1.191.3-0.31.381.5-0.3

1.1.8-0.4150°±10°1.852.0-0.42.322.4-0.43.353.3-0.53.674.0-0.5

4.865.2-0.9120°±10°5.6.0-0.96.607.0-0.97.29

8.0-1

forM3 / ST2.9M3.5/ ST3.5M4 / ST4.2M5 / ST4.8M6/ ST6.3M8

11.26011.4047.9513.32013.4879.50

M12M14M16M18M20

15.60015.77311.1011.2717.017.83012.6612.8520.04020.25614.2514.47

1.5201.6271.01.7

8.4.2-1.2

Table 2 - Permissible level of the non-compliant range t, without impairing

the function

Dimensions in mm

Nominal size1015202530455055607080TPermissible

levelof the noncompliantrange t

0.51

0.510.0.0.76

1.021.271.27

1.271.521.52

901.78

≥ T 45 not for new designs

The t dimensions relate to the surface of the screw head. In the case of oval or round headsurfaces, the reference plane shall be the intersection of the head surface and the countersinkof the round hexagon socket.

Sample designation of a round hexagon socket profile of nominal size T 30:Round hexagon socket VW 010 48- T 30

≥ M8 not for new designsM10