ICS 21.060.30
Kugelscheiben, Kegelpfannen
In keeping with current practice in standards published by the International Organization for Standardization (ISO), a comma has been used throughout as the decimal marker.
Foreword
This standard has been prepared by Technical Committee Grundnormen für Spannzeuge und Vorrichtungen of the Normenausschuss Werkzeuge und Spannzeuge  (Tools and Clamping Devices Standards Committee).Amendments
This standard differs from the October 1997 edition in that it has been editorially revised and the specifica-tions for surface roughness and hardness have been amended.
Previous editions
DIN 6333: 1940-05; DIN 6319: 1935-08, 1944x-07, 1963-04, 1987-04, 1991-09, 1997-10.
Ref.No.DIN 6319:2001-10
English price group 06
Sales No.0106
03.02
DEUTSCHE NORM October 2001
6319
{
Continued on pages 2 to 4.
©No part of this translation may be reproduced without the prior permission of
DIN Deutsches Institut für Normung e.V., Berlin. Beuth Verlag GmbH , 10772Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).
Spherical washers and conical seats
Translation by DIN-Sprachendienst.
In case of doubt, the German-language original should be consulted as the authoritative text.
Supersedes
October 1997 edition.
All dimensions are in millimetres.
1Scope
This standard specifies dimensions, the material and design of spherical washers and conical seats. These elements are designed to accommodate bolting forces where such are needed to compensate for clamping faces that are not parallel. Use of spherical washers together with conical seats permits bolts to be inclined up to 3° relative to the axis of the assembly. For slots, such as those in clamps covered in DIN 6314, DIN 6315and DIN 6316, only type G conical seats shall be used, whilst type D seats are only to be used together with plain washers.
2Normative references
This standard incorporates, by dated or undated reference, provisions from other publications. These n
ormative references are cited at the appropriate places in the text, and the titles of the publications are listed below. For dated references, subsequent amendments to or revisions of any of these publications apply to this standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies.DIN 13-1General purpose ISO metric screw threads –Nominal sizes for 1mm to 68mm diameter
coarse pitch threads
DIN 6314Straight clamps DIN 6315Forked clamps DIN 6316Goose neck clamps DIN 6330Hexagon nuts with a height of 1,5 d
DIN EN 24014Hexagon head bolts –Product grades A and B (ISO 4014:1988)
Page 2
DIN 6319:2001-10
Table 1:Dimensions of spherical washers and conical seats
Approx. mass,
Maxi-d 1
d 2
d 3            d 4d 5
f 1
h 1
h 2            h 3r 1
in kg,Thread
mum (spher-per 100 units
size
bolting          Types
Types
ical)Types force,H13H13D G ≈D G
C D G in kN 6,47,1121217110,30,72,32,804090,090,140,56M600098,49,617172414,50,50,63,23,505120,250,381,3M8001710,51221213018,50,50,844,205150,470,651,86M100261314,2242436200,51,14,6506170,711,063,7M12038151)1)16,51)28284024,80,51,255,606221,001,804,8M140531719303044260,51,35,36,207221,231,877,0M160732123,2363650310,526,37,508272,083,29,4M201172528444460370,82,48,29,510324,26,316,9M241683135565668490,83,611,21212418,713,323,8M3026937426868–6014,61415–5018,423,6–M3639443497878–7016,51718–5829,736,5–M4254250
56editorially
92
92
821
8
21
22
67
52,5
64,1
M48
714
1)
This size is compatible with M14 external thread, series 2, as specified in DIN 13-1.
Designation of a spherical washer (C), with d 1=17mm:
Spherical washer DIN 6319–C 17
Designation of a type D conical seat, with d 2=19mm:
Conical seat DIN 6319–D 19
(s p
h
e r i
c a l )
Figure 1:Dimensions of spherical washer (C)
(notation)Figure 2:Dimensions of conical seat (type D:d 4=d 3; type G:d 4>d 3)(notation)
DIN EN 24032Hexagon nuts, style 1–Product grades A and B (ISO 4032:1986)
ISO 2768-1:1989General tolerances –Part 1: Tolerances for linear and angular dimensions without indi-vidual tolerance indications
3Dimensions and designation
Design details left unspecified in figures 1 and 2 shall be selected as appropriate.General tolerances shall be class m tolerances as in ISO 2768-1.
Page 3
DIN 6319:2001-10
4Material
Spherical washers and type D conical seats shall be made of case hardening steel and type G seats of steel for quenching and tempering, the grade being at the manufacturer’s discretion.
5Hardness
Spherical washers and type D conical seats shall be case hardened to a depth of (0,2+0,2)mm (450HV 1), with a hardness of (550+100)HV 10. Type G seats shall be quenched and tempered and have a hardness of (350+80)HV 30.
6Connecting dimensions
(s p
h
e r
i c a l )
Figure 4:
Clamping bolt head and countersunk hole
Key to figure
1 Spherical washer
2 Conical seat (type D)
Figure 3:Spherical washer/conical seat combinations
Page 4
DIN 6319:
2001-10
5Spherical washer
6Hexagon head bolt as in DIN EN 240147Slot
8
Type D concial seat
Key to figure 1Type B hexagon nut as in DIN 63302Type G conical seat 3Clamping bolt head
4
Hexagon nut as in DIN EN 24032
Figure 5:Examples of application
Table 2:Connecting dimensions
h 41) (approx.)r 1
d 1
d 2
d 5d 6d 7
f 2          with conical h 5
2)k
(spher-r 2
seat of type
ical)H13
H13
D G 6,47,211061214,25,43,33090,38,49,614,508161,55,67,15,53,2120,510,21218,5102026,57,37,14150,51314,22012222896,251711516,524,8142528,59,576221171926162829,610,410,772212123,2312034211,712,28,492712528372440215,215,712,910,5321,63135493052219,219,714,512,5411,63742603664323,5–16,815501,64349704274329–2017581,650
56
82
48
86
3
35,5
22,5
19
67
2
1)
Average workshop values based on tolerance class m as specified in ISO 2768.
2)This dimension enables the bolt to be inclined up to approximately 3° relative to the axis of the assembly.

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