Permissible
Variations
On
b
According To ISO Tolerance Zone
h9
r
Weight
kg/m
Suitable For
Gib-head
parallel
keys
Parallel
keys and
taper keys
Gib-head
keys
Gib-head
saddle
keys
According To
According To
According To
According To
min
max
DIN 6884
DIN 6885
DIN 6886
DIN 6887
DIN 6889
(2x2)
-0.025
0.16
0.25
0.0314
2 x 2
(3x3)
0.0707
3 x 3
(4x4)
-0.030
0.126
4 x 4
5x5
0.25
0.4
0.196
5 x 5
6x6
0.283
6 x 6
7x7
-0.036
0.385
*
*
*
*
8x8
0.503
8 x 5
8 x 3.5
10x10
0.4
0.6
0.785
10 x 6
12x12
-0.043
1.13
12 x 6
12 x 8
14x14
1.54
14 x 6
14 x 9
16x16
2.01
16 x 7
16 x 10
16 x 5
18x18
2.54
18 x 11
20x20
-0.052
0.6
0.8
3.14
20 x 12
20 x 6
22x22
3.80
22 x 14
22 x 7
The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing.
*Used only for parallel keys for tools according to DIN 138.
Rectangular Key Steel
Nominal
Dimension
b x h
Permissible Variation on
r
Weight
kg/m
Suitable For
b
h
Saddle
keys
Parallel
keys
Gib-head
parallel
keys
Parallel
keys and
taper
keys
Gib-head
keys
Gib-head
saddle
keys
ISO Tolerance Zone
According
To
According
To
According
To
According
To
According
To
According
To
h9
h9
h11
min
max
DIN 6881
DIN 6883
DIN 6884
DIN 6885
DIN 6886
DIN 6887
DIN 6889
(8 x 7)
-0.036
-
-0.090
0.25
0.4
0.440
8 x 7
(10 x 8)
-0.036
-
0.4
0.6
0.628
10 x 8
10 x 4
12 x 8
-0.043
0.754
12 x 8
8 x 7
12 x 4
(12 x 10)
0.943
10 x 8
14 x 9
-
-0.090
0.989
14 x 9
14 x 4.5
16 x 10
1.26
16 x 10
18 x 11
-0.110
1.55
18 x 7
18 x 11
18 x 5
20 x 12
-0.052
0.6
0.8
1.88
20 x 8
20 x 12
22 x 14
2.42
22 x 9
22 x 14
25 x 14
2.75
25 x 9
25 x 14
(25 x 22)
-0.130
4.32
25 x 14
25 x 7
(28 x 16)
-0.110
3.52
28 x 10
28 x 16
(28 x 25)
-0.130
5.50
28 x 16
28 x 7.5
32 x 18
-0.062
-0.110
4.52
32 x 11
32 x 18
(32 x 30)
-0.130
7.54
32 x 18
32 x 8.5
36 x 20
1
1.2
5.65
36 x 12
36 x 20
(36 x 34)
-0.160
9.61
36 x 20
36 x 9
40 x 22
-0.130
6.91
40 x 14
40 x 22
(40 x 38)
-0.160
11.9
40 x 22
(45 x 25)
-0.130
8.83
45 x 16
45 x 16
45 x 25
(45 x 43)
-0.160
15.2
45 x 25
(50 x 28)
-0.130
11.0
50 x 18
50 x 18
50 x 28
(50 x 48)
-0.160
18.8
50 x 28
(56 x 32)
-0.074
1.6
2
14.1
56 x 32
(63 x 32)
15.8
63 x 32
(70 x 36)
19.8
70 x 36
(80 x 40)
2.5
3
25.1
80 x 40
90 x 45*
-0.087
31.8
90 x 45
(100 x 50)
39.3
100 x 50
The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing.
*No primary stock in standard dimensions is available for this nominal dimension.
Flat Rectangular Key Steel
Nominal
Dimension
b x h
Permissible Variation on
r
Weight
kg/m
Suitable For
b
h
Saddle
keys
Parallel
keys
Gib-head
parallel
keys
Parallel
keys and
taper
keys
Gib-head
keys
ISO Tolerance Zone
According
To
According
To
According
To
According
To
According
To
h9
h9
h11
min
max
DIN 6881
DIN 6883
DIN 6884
DIN 6885
DIN 6886
DIN 6887
(5 x 3)
-0.030
-
-0.060
0.25
0.4
0.118
5 x 3
(6 x 4)
-0.075
0.188
6 x 4
7 x 4
-0.036
-0.030
-
0.220
4 x 4
8 x 5
0.314
8 x 3.5
8 x 5
8 x 5
5 x 5
10 x 6
0.4
0.6
0.471
10 x 4
10 x 6
10 x 6
6 x 6
12 x 6
-0.043
-
-0.075
0.565
12 x 4
12 x 6
12 x 6
14 x 6
0.659
14 x 4.5
14 x 6
14 x 6
16 x 7
-0.090
0.879
16 x 5
16 x 7
16 x 7
18 x 7
0.989
18 x 5
18 x 7
18 x 7
20 x 8
-0.052
0.6
0.8
1.26
20 x 6
20 x 8
20 x 8
22 x 9
1.55
22 x 7
22 x 9
22 x 9
25 x 9
1.77
25 x 7
25 x 9
25 x 9
28 x 10
2.20
28 x 7.5
28 x 10
28 x 10
32 x 11
-0.062
-0.110
2.76
32 x 8.5
32 x 11
32 x 11
36 x 12
1
1.2
3.39
36 x 9
36 x 12
36 x 12
(40 x 14)
4.40
40 x 14
The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing.
Best Quality
Fasteners Typically replies within an
hour