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DIN EN ISO 8739 Standard Dimensions for Grooved pins full length parallel grooved, with pilot

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Full-length parallel grooved pins

This International Standard specifies the properties of cylindrical grooved pins made of steel or austenitic stainless steel, with pilot which have three equally spaced grooves impressed longitudinally on their exterior surface and a pilot to facilitate insertion, with nominal diameter, d, from 1,5 mm to 25 mm.

Dimensional Drawing and Technical Diagrams

367_RfvZSm_din-1470-iso-8739.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 8739

Publication date 03-1998 Supersedes DIN EN 28739 10-1992
d1 nom
 1.5 2 25 3 4 5 6 8 10 12 16 20 25
d2 expanded diameter for all lengths 1.6 2.15 2.65 3.2 4.25 5.25 6.3 8.3 10.35 12.35 16.4 20.5 25.5
a ≈ 0.2 0.25 0.3 0.4 0.5 0.63 0.8 1 1.2 1.6 2 2.5 3
c max 2 2 2.5 2.5 3 3 4 4 5 5 5 7 7
c min 1 1 1.5 1.5 2 2 3 3 4 4 4 6 6

DIN EN ISO 8739 - d2 expanded diameter - commercial items
d1 1.5 2 2.5 3 4 5 6 8 10 12 16 20 25
nominal length l
8 1.6 2.15
10 2.65 3.2 4.25
12
14 5.25 6.3 8.3 10.35
16
18 12.35
20
22 16.4
24
26 20.5 25.5
28
30
32
35
40
45
50
55
60
65
70
75
80
85
90
95
100

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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