Addison Parallel Shank Twist Drills.

High Speed Steel

PARALLEL SHANK TWIST DRILLS

Stub Series

Specification conform

to IS 5100-1969

Dimensions in mm

paralleshanktwistdrillsstubseries

Stub drills are normally right hand cutting spiral, standard helix and are shortened form of parallel shank jobber series twist drills. They have smaller cutting or flute length. Ideal for hand drills, automatic lathes and turrets in general engineering applications in metal. Supplied as per IS 5100 standards. Also available in neutral brands as per DIN, BS and ISO standards.

Diameter  h8

 Range of Diameters     Flute      Length Overall  Length
Over Upto and including
3.00 - 3.00 16 46
3.20 3.00 3.25 18 49
3.50 3.35 3.75 20 52
3.80
4.00
4.20		 3.75 4.25 22 55
4.50 4.25 4.75 24 58
4.80
5.00
5.20		 4.75 5.30 26 62
5.50
5.80
6.00		 5.30 6.00 28 66
6.20
6.50		 6.00 6.70 31 70
6.80
7.00
7.20
7.50		 6.70 7.50 34 74
7.80
8.00
8.20
8.50		 7.50 8.50 37 79
8.80
9.00
9.20
9.50		 8.50 9.50 40 84
9.80
10.00 10.20
10.50		 9.50 10.60 43 89
10.80
11.00
11.20 11.80		 10.60 11.80 47 95

12.00
12.20
12.50
12.80
13.00
13.20

 11.80 13.20 51 102

13.50
13.80
14.00

 13.20 14.00 54 107

14.25
14.50
14.75
15.00

 14.00 15.00 56 111
15.25
15.50
15.75
16.00		 15.00 16.00 58 115

16.25
16.50
16.75
17.00

 16.00 17.00 60 119

17.25
17.50
17.75
18.00

 17.00 18.00 62 123

18.25
18.50
18.75
19.00

 18.00 19.00 64 127
19.25
19.50
19.75
20.00		 19.00 20.00 66 131

Diameter  h8

 Range of Diameters     Flute      Length Overall  Length
Over Upto and including
20.25
20.50
20.75
21.00		 20.00 21.20 68 136
21.25
21.50
21.75
22.00
22.25		 21.20 22.40 70 141
22.50
22.75
23.00
23.25
23.50		 22.40 23.60 72 146
23.75
24.00
24.25
24.50
24.75
25.00		 23.60 25.00 75 151
25.25
25.50
25.75
26.00
26.25
26.50		 25.00 26.50 78 156
26.75
27.00
27.25
27.50
27.75
28.00		 26.50 28.00 81 162
28.25
28.50
28.75		 28.00 30.00 84 168
29.00
29.25
29.50
29.75
30.00		 28.00 30.00 84 168
30.25
30.50
30.75
31.00
31.25
31.50		 30.00 31.50 87 174
31.75
32.00
32.50
33.00
33.50		 31.50 33.50 90 180
34.00
34.50
35.00
35.50		 33.50 35.50 93 186
36.00
36.50
37.00
37.50		 35.50 37.50 96 193
38.00
38.50
39.00
39.50
40.00		 37.50 40.00 100 200

Drills

Addison