STRAIGHT
SHANK
DRILLS
S O M T A P 1 2 C A T A L O G U E
40
DIN
333
METRIC
BRIGHT
FINISH
HSS
( ) Non-recommended sizes, and should be avoided whenever possible.
114, 115
Suited Materials
MM
INCH
Properties
Codes
BS
328
INCH
Centre Drills - Form A
d
Code
l
2
l
1
d
1
1.1
1.3
1.6
2
2.5
3.1
3.9
5
6.3
8
10.1
12.8
25
31.5
31.5
35.5
40
45
50
56
63
71
80
100
1140080
1140100
1140125
1140160
1140200
1140250
1140315
1140400
1140500
1140630
1140800
1141000
0.8
1
(1.25)
1.6
2
2.5
3.15
4
(5)
6.3
(8)
10
3.15
3.15
3.15
4
5
6.3
8
10
12.5
16
20
25
METRIC
1.8
2.2
3.6
4.4
6.8
8.7
11.1
3.18
4.76
6.35
7.94
11.11
15.88
19.05
38
45
51
57
64
76
89
1150119
1150159
1150238
1150318
1150476
1150635
1150754
1.19
1.59
2.38
3.18
4.76
6.35
7.94
BS 1
BS 2
BS 3
BS 4
BS 5
BS 6
BS 7
INCH
Ref. Number
d
Code
l
2
l
1
d
1
Centre Drill Set - TiN Coated
THIS SET CONTAINS:
BS2 - 1150159T
BS3 - 1150238T
BS4 - 1150318T
BS5 - 1150476T
BS6 - 1150635T
1150000T
Description
Code
Ref No.
115S
GENERAL
FORM
A
