Product Name:

small hole drilling bit 7 degree taper drill bit

Types

Tapered chisel bits, Tapered cross bits, Tapered button bits

Application::

Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling

Feature:

Tapered drill bits connect tapered drill steel of rock drill for drilling holes

Material:

High quality carbide and high quality steel

MOQ:

No requirement for testing and trial order

We can design and manufature according to your requirment of diameter, number air holes and carbide button shape.

Types of drill bits

Diameter          (mm)

Taper Angle (Degree)

Length       (mm)

Weight (kg)

Tapered chisel bits

20/22/28/30/32/34/36/38/40

4 degree/ 6 degree/ 7 degree/ 11 degree/ 12 degree

50/55/60/71/80

0.15 - 0.45

Tapered cross bits

24/26/28/30/32/33/34/35/36/3/38/40/42/48/50/55

50/55/60/71/80

0.18 - 0.7

Tapered button bits

28/29/30/32/33/34/35/36/37/38/40/41/42/45

50/55/60/71/80

0.2 - 0.5