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DIN EN ISO 8733 Standard Dimensions for Parallel pins with internal thread, of unhardened steel and austenitic stainless steel

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Technical History and International Equivalents of DIN EN ISO 8733

Equivalent standards: BS EN ISO 8733 UNI EN ISO 8733 ISO 8733 NF EN ISO 8733

Parallel pins with internal thread

This International Standard (DIN EN 8733 and equivalents) specifies the characteristics of parallel pins with internal thread of unhardened steel and austenitic stainless steel with nominal diameters d1 from 6 mm to 50 mm inclusive.

Dimensional Drawing and Technical Diagrams

1396_3815.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source - DIN 8733
Publication date: 03/1998 - Supersedes DIN EN 28733: 10/1992
d1 c1 ≈ c2 ≈ c3 c4 min d2 Pitch
6 0.8 1.2 6 10
M4
 0.7
8 1 1.6 8 12 M5 0.8
10 1.2 2 10 16 M6 1
12 1.6 2.5 10 20 M6 1
16 2 3 12 25 M8 1.25
20 2.5 3.5 16 28 M10 1.5
25 3 4 24 35 M16 2
30 4 5 30 40 M20 2.5
40 5 6.3 30 40 M20 2.5
50 6.3 8 36 50 M24 3

Designation example (Steel): Parallel Pins DIN 8733 6 x 30 - St.

Designation example (Stainless Steel): Parallel Pins DIN 8733 6 x 30 - A1

Din 8733 - commercial items
d1 6 8 10 12 16 20 25 30 40 50
nominal length l
16 X
18 X X
20 X X
22 X X X
24 X X X
26 X X X X
28 X X X X
30 X X X X
32 X X X X X
35 X X X X X
40 X X X X X X
45 X X X X X X
50 X X X X X X X
55 X X X X X X X
60 X X X X X X X X
65 X X X X X X X
70 X X X X X X X
75 X X X X X X X
80 X X X X X X X X
85 X X X X X X X
90 X X X X X X X
95 X X X X X X X
100 X X X X X X X X
120 X X X X X X X
140 X X X X X X
160 X X X X X X
180 X X X X X
200 X X X X X

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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