Type T21
For making cemented core drilling bits for drilling soft formations
Type
Dimension (mm)
B
H
S
Dim.
Tol.
Dim
T2105
5
¡À0.3
7
¡À0.35
3
T2105A
8
T2105B
10
T2105C
13
¡À0.5
T2107
7.5
T2107A
20
¡À0.6
T2108
8.5
T2110
14
4
T2114
25
12