Technical History and International Equivalents of DIN EN ISO 8743

This International Standard (DIN EN ISO 8743 and equivalents) specifies the characteristics of half-length centre grooved pins made of steel or austenitic stainless steel which have three equally grooves impressed longitudinally on their exterior surface, with nominal diameter, d, from 1,5 mm to 25 mm inclusive.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN 8743

Publication date: 03-1998 - Replaces : DIN EN 28743 10-1992

d nom
1.5 2 2.5 3 4 5 6 8 10 12 16 20 25
a 0.2 0.25 0.3 0.4 0.5 0.63 0.8 1 1.2 1.6 2 2.5 3

Din 8743 - Expanded diameter d1 - commercial items

size d
1.5
2
2.5
3
4
5
6
8
10
12
16
20
25
nominal length l
8 1.6
10
12 2.1 2.6 3.1
14 1.63
16
18 2.65 3.15 4.15 5.15
20
22 .15 4.2 5.2 6.15
24
26 3.2 6.25 8.2
28
30
32 4.25 5.25 8.25 10.2
35
40 6.3 8.3 12.25
45 10.3 16.25 20.25 25.25
50 4.3 8.35 12.3 16.3
55

20.3

25.3
60 5.3 10.4
65 6.35 12.4 16.4
70 8.4 20.4 25.4
75
80 10.45
85 12.5 16.5
90
95 20.5 25.5
100
120
140 10.4
160
180
200