Suppliers of Bright key steel

This standard DIN 6880 applies for bright key steel (bright steel for the manufacturing of keys and parallel keys) in bars with square, rectangular or flat rectangular cross-sections and is an important basis for production quality of these steel products.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 6880

Publication date: 06/2011 supersedes DIN 6880 04/1975

Form Nominal size r min r max ≈ weigth in kg/m
square 2 x 2 0.15 0.35 0.0314
3 x 3 0.15 0.35 0.0707
4 x 4 0.15 0.35 0.126
5 x 5 0.2 0.4 0.196
6x 6 0.2 0.4 0.283
7 x 7 0.2 0.4 0.385
8 x 8 0.2 0.4 0.503
10 x 10 0.4 0.6 0.785
12 x 12 0.4 0.6 1.13
14 x 14 0.4 0.6 1.54
16 x 16 0.4 0.6 2.01
18 x 18 0.4 0.6 2.54
20 x 20 0.6 0.8 3.14
22 x 22 0.6 0.8 3.8
rectangular 8 x 7 0.2 0.2 0.44
10 x 8 0.4 0.6 0.628
12 x 8 0.4 0.6 0.754
12 x 10 0.4 0.6 0.943
14 x 9 0.4 0.6 0.989
16 x 10 0.4 0.6 1.26
18 x 11 0.4 0.6 1.55
20 x 12 0.6 0.8 1.88
22 x 14 0.6 0.8 2.42
25 x 14 0.6 0.8 2.75
25 x 22 0.6 0.8 4.32
28 x 16 0.6 0.8 3.52
28 x 25 0.6 0.8 5.5
32 x 18 0.6 0.8 4.52
32 x 30 0.6 0.8 7.54
36 x 20 1 1.2 5.65
36 x 34 1 1.2 9.61
40 x 22 1 1.2 6.91
40 x 38 1 1.2 11.9
45 x 25 1 1.2 8.83
45 x 43 1 1.2 15.2
50 x 28 1 1.2 11
50 x 48 1 1.2 18.8
56 x 32 1.6 2 14.1
63 x 32 1.6 2 15.8
70 x 36 1.6 2 19.8
80 x 40 2.5 3 25.1
90 x 45 2.5 3 31.8
100 x 50 2.5 3 39.3
flat-rectangular 5 x 3 0.2 0.4 0.118
6 x 4 0.2 0.4 0.188
7 x 4 0.2 0.4 0.22
8 x 5 0.2 0.4 0.314
10 x 6 0.4 0.6 0.471
12 x 6 0.4 0.6 0.565
14 x 6 0.4 0.6 0.659
16 x 7 0.4 0.6 0.879
18 x 7 0.4 0.6 0.989
20 x 8 0.6 0.8 1.26
22 x 9 0.6 0.8 1.55
25 x 9 0.6 0.8 1.77
29 x 10 0.6 0.8 2.2
32 x 11 0.6 0.8 2.76
36 x 12 1 1.2 3.39
40 x 14 1 1.2 4.4