Specification Of J Series Low Pressure Drill Bit

J

Head shape

Diameter

Number of vents

NO X button diamter

weight (KG)

mm

Toothed

Gauge

Front

J70

Flat Face

76

2

Ballistic Button

5XØ12

3XØ12

J80

Convex Face

90

2

Ballistic Button

6XØ14

4XØ13

J100B

Convex Face

110

2

Ballistic Button

6XØ14

6XØ13

JW150

Concave Face

165

2

Round Button

8XØ18

6XØ16+4XØ14

JW200

Convex Face

206

3

Round Button

10XØ18

16XØ16

We can design and manufacture according to customers requirement of the bit diameter, the NO.of air holes,