Jobber drills with straight shank DIN 338
Jobber drills with straight shank DIN 338
Jobber drills with straight shank DIN 338
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Shank designs for high speed <strong>straight</strong> <strong>shank</strong>s<br />
to <strong>DIN</strong> 1835 (extract)<br />
plain form A <strong>with</strong> drive flat form B<br />
chamfer Fase<br />
centre Zentrierbohrung hole<br />
<strong>with</strong> one drive flat for<br />
d1 = 6 … 20 mm<br />
45°+1°<br />
b 1<br />
e 1<br />
chamfer Fase<br />
centre Zentrierbohrung hole<br />
d1<br />
d1<br />
h1<br />
l 1<br />
l 1<br />
<strong>with</strong> two drive flats for<br />
d1 = 25 and 32 mm<br />
b 1<br />
e 1<br />
45°+1°<br />
l 2<br />
Zentrierbohrung<br />
centre hole<br />
dimensions in mm<br />
d1<br />
d 1<br />
h6<br />
2<br />
3<br />
4<br />
5<br />
6<br />
8<br />
10<br />
12<br />
14<br />
16<br />
18<br />
20<br />
25<br />
32<br />
l 1<br />
+2<br />
0<br />
28<br />
28<br />
28<br />
28<br />
36<br />
36<br />
40<br />
45<br />
45<br />
48<br />
48<br />
50<br />
56<br />
60<br />
dimensions in mm<br />
d 1<br />
h6<br />
6<br />
8<br />
10<br />
12<br />
14<br />
16<br />
18<br />
20<br />
25<br />
32<br />
b 1<br />
+0.05<br />
0<br />
4.2<br />
5.5<br />
7.0<br />
8.0<br />
8.0<br />
10.0<br />
10.0<br />
11.0<br />
12.0<br />
14.0<br />
e 1<br />
0<br />
-1<br />
18.0<br />
18.0<br />
20.0<br />
22.5<br />
22.5<br />
24.0<br />
24.0<br />
25.0<br />
32.0<br />
36.0<br />
h 1 l 1<br />
+2<br />
h 11 0<br />
5.1<br />
6.9<br />
8.5<br />
10.4<br />
12.7<br />
14.2<br />
16.2<br />
18.2<br />
23.0<br />
30.0<br />
chamfer Fase<br />
36<br />
36<br />
40<br />
45<br />
45<br />
48<br />
48<br />
50<br />
56<br />
60<br />
l 2<br />
+1<br />
0<br />
-<br />
-<br />
-<br />
-<br />
-<br />
-<br />
-<br />
-<br />
17<br />
19<br />
screwed <strong>shank</strong><br />
form D<br />
Z<br />
centre Zentrierbohrung hole<br />
dimensions in mm<br />
Detail Z<br />
(cross section)<br />
thread profile to<br />
<strong>DIN</strong> ISO 228 sect. 1<br />
d3<br />
d2<br />
d1<br />
l 1<br />
1,27 (25,4/20)<br />
R 0,174<br />
l 3<br />
R 0,174<br />
0,813<br />
d3<br />
d 1<br />
h8<br />
6<br />
10<br />
12<br />
16<br />
20<br />
25<br />
32<br />
5.9<br />
9.9<br />
11.9<br />
15.9<br />
19.9<br />
24.9<br />
31.9<br />
d 3<br />
tol.<br />
zone<br />
0<br />
-0.1<br />
0<br />
-0.1<br />
0<br />
-0.1<br />
0<br />
-0.1<br />
0<br />
-0.15<br />
0<br />
-0.15<br />
0<br />
-0.15<br />
d 2<br />
tol.<br />
zone<br />
5.087<br />
0<br />
-0.1<br />
9.087<br />
0<br />
-0.1<br />
11.087<br />
0<br />
-0.1<br />
15.087<br />
0<br />
-0.1<br />
19.087<br />
0<br />
-0.15<br />
24.087<br />
0<br />
-0.15<br />
31.087<br />
0<br />
-0.15<br />
l 1<br />
+2<br />
0<br />
36<br />
40<br />
45<br />
48<br />
50<br />
56<br />
60<br />
l 3<br />
+2<br />
0<br />
10<br />
10<br />
10<br />
10<br />
15<br />
15<br />
15<br />
centre hole<br />
form A<br />
<strong>DIN</strong> 332 sect. 1<br />
1.6 x 2.5<br />
1.6 x 3.35<br />
1.6 x 3.35<br />
2.0 x 4.25<br />
2.5 x 5.3<br />
2.5 x 5.3<br />
3.15 x 6.7<br />
253
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