NUMA Series High Pressure Drill Bit
Our drill bits are interchangeable with various products
manufactured by Atlas Copco.
Specification of NUMA Series High Pressure Drill Bit
NUMA
Head shape
Diameter
Number of vents
NO X button diamter
weight (KG)
mm
Toothed
Gauge
Front
NUMA100
NUMA100A
Convex concave
275
2
Round Button
12XØ19
8XØ18+19XØ16
Convex concave
305
3
Round Button
15XØ19
27XØ18+8XØ16
110
Convex concave
350
4
Round Button
16XØ19
32XØ18+14XØ16
NUMA120
NUMA120A
Convex concave
350
4
Round Button
16XØ20
32XØ18+13XØ16
Convex concave
450
4
Round Button
20XØ20
48XØ18+25XØ16
Convex concave
500
4
Round Button
24XØ20
90XØ18
NUMA125
NUMA125A
Convex concave
381
4
Round Button
16XØ20
36XØ18+15XØ16
Convex concave
394
4
Round Button
16XØ20
36XØ18+23XØ16
We can design and manufacture according to customers requirement of the bit diameter, the NO.of air holes, carbide buttons and the face shape.
