R38 Flat Face Button Drill Bit For Hard Rock Drilling And Hole
Blasting
Thread button drill bits are made by high quality alloy steel bar
and tungsten carbides. Through heat treatment, our drilling tools
are tough enough to meet rock drilling demands and have the least
loss of energy while drilling the rocks. Besides, we can design
customized thread button drill bits according to different drilling
application, and custom drill bits are applicable to drill soft
rock, loose-medium rock and hard rock.
(1) Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60
(2) Diameter: 38-127mm.
(3) OEM and ODM--- We can design and manufacture according to
customers's samples or drawings of the Bit Dia., No. Of air/water
holes, carbide button shape and the face shape.
(4) Super Quality--- Our button bit is made with high quality of
best quality alloy steel bar and tungsten carbides, through heat
treatment so that it can withstand the toughest rock drilling
demands, and transmit intensive impact energy into the rock with
the least possible loss of energy.
(5) Global Reputation--- The taper drill bit is widely used in
metallurgy mine, geological exploration, water conservancy
construction, electricity, traffic, tunnel, quarry, national
defence stone project etc. Our clients
Are all over the world, like Germany, Spain, Italy, Russia, Japan,
India, Australia, Mexico, Colombia, Brazil,
Chile, South Africa...Etc. We have very good reputation worldwide!
Before Official Order, please confirm below informations:
(1) Thread Type
(2) Standard or Retrac
(3) Bit button shape (tip shape)--Spherical or Ballistic
(4) Bit face shape--Drop Center, Flat Face, Convex, Concave, etc...
Technical Data
| Bit Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
| Spherical |
| 64 | 2.5 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300650 |
| 70 | 2.75 | 4×11, 1×11 | 8×11 | 40° | 2 | - | 1.9 | 4148300651 |
| 70 | 2.75 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300652 |
| 70 | 2.75 | 3×10, 1×10 | 6×12 | 35° | 3 | - | 1.8 | 4148300653 |
| 76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300654 |
| 76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300655 |
| 76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300656 |
| 89 | 3.5 | 5×12 | 8×12 | 35° | 2 | - | 3.3 | 4148300657 |
| 89 | 3.5 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300658 |
| Ballistic |
| 64 | 2.5 | 3×11 | 6×12 | 35° | 3 | - | 1.8 | 4148300659 |
| 70 | 2.75 | 4x11 | 8×11 | 40° | 2 | - | 1.9 | 4148300660 |
| 70 | 2.75 | 4×10, 1×10 | 8×11 | 30° | 4 | - | 1.9 | 4148300661 |
| 76 | 3 | 4×11 | 8×11 | 40° | 2 | - | 2.4 | 4148300662 |
| 76 | 3 | 3×11, 1×11 | 6×12 | 35° | 3 | 1 | 2.6 | 4148300663 |
| 76 | 3 | 4×11, 1×11 | 8×12 | 35° | 4 | - | 2.6 | 4148300664 |
| 89 | 3.5 | 5×12 | 8×12 | 35° | 2 | - | 3.3 | 4148300665 |
| 89 | 3.5 | 4×13, 1×13 | 8×13 | 35° | 4 | - | 3.3 | 4148300666 |
