
Suppliers of Countersinks 90°
This product is regulated by the following standards:
Technical data
Countersinks 90°

This product is regulated by the following standards:
Standard DIN 335
This norm specifies the characteristics of Countersinks 90° in high speed steel. The A and B types are mainly used for deburring and the C and D types for reducing
Dimensions in mm - source DIN 335 Form A |
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Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d2 | d3 | l1 | l2 | Nr. of cutters | |||
8 | - | - | 48 | - | 5 | |||
12,5 | 8 | 2 | 48 | 16 | 5 or 6 | |||
16 | 10 | 3,2 | 56 | 20 | 6 or 7 | |||
20 | 10 | 5 | 60 | 24 | 6 or 7 |
Dimensions in mm - source DIN 335 Form B |
||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d3 | l1 |
l2 |
l3 | Nr. of cutters | |||
16 | 3,2 | 95 | 20 | 30 | 6 or7 | |||
25 | 7 | 118 | 26 | 38 | 7 to 9 | |||
31,5 | 9 | 122 | 30 | 42 | 7 to 9 | |||
40 | 12 | 150 | 35 | 51 | 10 to 12 | |||
50 | 16 | 155 | 38 | 56 | 12 to 14 | |||
63 | 20 | 185 | 43 | 61 | 14 to 16 | |||
80 | 25 | 196 | 54 | 72 | 16 to 18 |
Dimensions in mm - source DIN 335 Form C | ||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d2 | d3 | l1 | l2 | l4 | |||
4,3 | 4 | 1,3 | 40 | 3,5 | 26 | |||
5 | 4 | 1,5 | 40 | 4 | 28 | |||
5,3 | 4 | 1,5 | 40 | 4 | 28 | |||
5,8 | 5 | 1,5 | 45 | 4,5 | 28 | |||
6 | 5 | 1,5 | 45 | 4,5 | 28 | |||
6,3 | 5 | 1,5 | 45 | 5 | 28 | |||
7 | 6 | 1,8 | 50 | 5 | 36 | |||
7,3 | 6 |
1,8 |
50 | 5,6 | 36 | |||
8 | 6 | 2 | 50 | 6 | 36 | |||
8,3 |
6 | 2 | 50 | 6 | 36 | |||
9,4 | 6 | 2,2 | 50 | 6,7 | 36 | |||
10 | 6 | 2,5 | 50 | 7,1 | 36 | |||
10,4 | 6 | 2,5 | 50 | 7,1 | 36 | |||
11,5 | 8 | 2,8 | 56 | 8 | 36 | |||
12,4 | 8 | 2,8 | 56 | 8 | 36 | |||
13,4 | 8 | 2,9 | 56 | 8,5 | 36 | |||
15 | 10 | 3,2 | 60 | 9 | 40 | |||
16,5 | 10 | 3,2 | 60 | 10 | 40 | |||
19 | 10 | 3,5 | 63 | 11,2 | 40 | |||
20,5 | 10 | 3,5 |
63 |
12,5 | 40 | |||
23 | 10 | 3,8 | 67 | 13,2 | 40 | |||
25 | 10 | 3,8 | 67 | 15 | 40 |
Dimensions in mm - source DIN 335 Form D |
||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d2 | l1 | l2 | r min | r max | |||
0.5 | 3.15 |
25 |
2,12 |
1,6 | 1,5 | |||
0,8 | 3,15 | 25 | 2,65 | 2,5 |
2 |
|||
1 | 3,15 | 31,5 | 3 | 3,15 | 2,5 | |||
1,25 | 3,15 | 31,5 | 3.35 | 4 | 3,15 | |||
1,6 | 4 | 35,5 | 4,25 | 5 | 4 | |||
2 | 5 | 40 | 5,3 | 6,3 | 5 | |||
2,5 | 6,3 | 45 | 6,7 | 8 | 6,3 | |||
3,15 | 8 | 50 | 8,5 | 10 | 8 | |||
4 | 10 | 56 | 10,6 | 12,5 | 10 | |||
5 | 12,5 | 63 | 13,2 | 16 | 12,5 | |||
6,3 | 16 | 71 | 17 | 20 | 16 | |||
8 | 20 | 80 | 21,2 | 25 | 20 | |||
10 | 25 | 100 | 26,5 | 31,5 | 25 | |||
12,5 | 31,5 | 125 | 33,5 | 40 | 31,5 |
Details
Countersinks 90°

Dimensions in mm - source DIN 335 Form A |
||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d2 | d3 | l1 | l2 | Nr. of cutters | |||
8 | - | - | 48 | - | 5 | |||
12,5 | 8 | 2 | 48 | 16 | 5 or 6 | |||
16 | 10 | 3,2 | 56 | 20 | 6 or 7 | |||
20 | 10 | 5 | 60 | 24 | 6 or 7 |
Dimensions in mm - source DIN 335 Form B |
||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d3 | l1 |
l2 |
l3 | Nr. of cutters | |||
16 | 3,2 | 95 | 20 | 30 | 6 or7 | |||
25 | 7 | 118 | 26 | 38 | 7 to 9 | |||
31,5 | 9 | 122 | 30 | 42 | 7 to 9 | |||
40 | 12 | 150 | 35 | 51 | 10 to 12 | |||
50 | 16 | 155 | 38 | 56 | 12 to 14 | |||
63 | 20 | 185 | 43 | 61 | 14 to 16 | |||
80 | 25 | 196 | 54 | 72 | 16 to 18 |
Dimensions in mm - source DIN 335 Form C | ||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d2 | d3 | l1 | l2 | l4 | |||
4,3 | 4 | 1,3 | 40 | 3,5 | 26 | |||
5 | 4 | 1,5 | 40 | 4 | 28 | |||
5,3 | 4 | 1,5 | 40 | 4 | 28 | |||
5,8 | 5 | 1,5 | 45 | 4,5 | 28 | |||
6 | 5 | 1,5 | 45 | 4,5 | 28 | |||
6,3 | 5 | 1,5 | 45 | 5 | 28 | |||
7 | 6 | 1,8 | 50 | 5 | 36 | |||
7,3 | 6 |
1,8 |
50 | 5,6 | 36 | |||
8 | 6 | 2 | 50 | 6 | 36 | |||
8,3 |
6 | 2 | 50 | 6 | 36 | |||
9,4 | 6 | 2,2 | 50 | 6,7 | 36 | |||
10 | 6 | 2,5 | 50 | 7,1 | 36 | |||
10,4 | 6 | 2,5 | 50 | 7,1 | 36 | |||
11,5 | 8 | 2,8 | 56 | 8 | 36 | |||
12,4 | 8 | 2,8 | 56 | 8 | 36 | |||
13,4 | 8 | 2,9 | 56 | 8,5 | 36 | |||
15 | 10 | 3,2 | 60 | 9 | 40 | |||
16,5 | 10 | 3,2 | 60 | 10 | 40 | |||
19 | 10 | 3,5 | 63 | 11,2 | 40 | |||
20,5 | 10 | 3,5 |
63 |
12,5 | 40 | |||
23 | 10 | 3,8 | 67 | 13,2 | 40 | |||
25 | 10 | 3,8 | 67 | 15 | 40 |
Dimensions in mm - source DIN 335 Form D |
||||||||
Publication date: 12/2007 Replaces 09/1979 edition | ||||||||
d1 | d2 | l1 | l2 | r min | r max | |||
0.5 | 3.15 |
25 |
2,12 |
1,6 | 1,5 | |||
0,8 | 3,15 | 25 | 2,65 | 2,5 |
2 |
|||
1 | 3,15 | 31,5 | 3 | 3,15 | 2,5 | |||
1,25 | 3,15 | 31,5 | 3.35 | 4 | 3,15 | |||
1,6 | 4 | 35,5 | 4,25 | 5 | 4 | |||
2 | 5 | 40 | 5,3 | 6,3 | 5 | |||
2,5 | 6,3 | 45 | 6,7 | 8 | 6,3 | |||
3,15 | 8 | 50 | 8,5 | 10 | 8 | |||
4 | 10 | 56 | 10,6 | 12,5 | 10 | |||
5 | 12,5 | 63 | 13,2 | 16 | 12,5 | |||
6,3 | 16 | 71 | 17 | 20 | 16 | |||
8 | 20 | 80 | 21,2 | 25 | 20 | |||
10 | 25 | 100 | 26,5 | 31,5 | 25 | |||
12,5 | 31,5 | 125 | 33,5 | 40 | 31,5 |
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