Gear Cutting Tools

Solid-type hobs
for spur and helical gears to DP (Diametral
Pitch)
20° pressure angle
basic profile: h a0 = 1.25 · m, ö a0 = 0.3 m
quality grade A to DIN 3968
single start right-handed
with keyway
l 1
l 3
d 1 d 2
KHSS-E EMo5Co5
Cat.-No.
2042 relief ground
DP
Dimensions in mm
d 1 I 3 I 1 d 2
Number of
gashes
1 290 320 330 60 9
1,25 250 286 296
1,5 220 238 248
1,75 200 225 235
2 180 200 210 50 9
2,5 140 160 170 40 10
3 125 130 138
3,5 115 100 108
4 115 100 108 40 10
5 100 80 88 32
6 90 70 78
7 12
8 80 63 69 32 12
9
10 70 50 56 27
11
12 63 40 46 27 12
13
14 56 32 38 22
15
16
17
18
19 50 25 31 22 14
20
21
22
23
24
25 50 25 31 22 14
26
27
28
29
30
18