SOMTA HSS DIN 333/BS 328
HSS
BS 328
60°
Bright Finish
SOMTA HSS Centre Drills - Mm & Inch
mm

d

d 1 l 2 l 1 Type A Type B Type R
0.8 3.15 1.1 25 *
1 3.15 1.3 31.5 *
(1.25) 3.15 1.6 31.5
1.6 4 2 35.5 *
2 5 2.5 40 *
2.5 6.3 3.1 45 * *
3.15 8 3.9 50 * * *
4 10 5 56 * *
(5) 12.5 6.3 63 * *
6.3 16 8 71 *
(8) 20 10.1 80 *
10 25 12.8 100 *
Inch
Ref Number d d 1 l 2 l 1
BS 1 1.19 3.18 1.8 38
BS 2 1.59 4.76 2.2 45
BS 3 2.38 6.35 3.6 51
BS 4 3.18 7.94 4.4 57
BS 5 2.76 11.11 6.8 64
BS 6 6.35 15.88 8.7 76
BS 7 7.94 19.05 11.1 89

 

Product attributes

HSS

HSS

BS 328

BS 328

60°

60°

Bright Finish

Bright Finish

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