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Specifications For Key Stock

Shapes of Key Stock

Edges of Key Stock

Square Key Steel

Nominal
Dimension
b x b		 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.

*All information is strictly informative
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