11 Degree Taper Tungsten Carbide Bits For Small Hole Rock Drill
Button Bits
Describtion
Miroc tapered equipment affords drillers the ability to change
drilling bits whilst still using the same drilling rod. Drillers
choose tapered cross type bits if the goal is to minimize hole
deviation in small hole range drilling. Different taper sizes have
different characteristics when it comes to the “knock-off” index –
the smaller angle will prevent the bit from spinning. Used in
drifting and tunneling.
Why you choose Miroc button bit?
1. Tapered button bits connect with tapered drill rod perfectly for
drilling holes
2. Stable and mature welding technology ensure high quality of bits
3. Accurate dimension of taper degree perfectly matches the rods
4. work reliable and very cost-effective
5. High grade tungsten carbide inserts
6. Bit bodies manufactured from high grade steel and processed
using state-of-the-art CNC machinery and heat treatment
Product Technical Reference
Tapered Rock Drilling Tools - 11° Button bit, Short skirt
| Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
| 32 | 1 1/4 | 1x8 | 3x8 | 35° | 1 | 2 | 0.24 | 4148300204 |
| 32 | 1 1/4 | 2x7 | 5x7 | 40° | 1 | 1 | 0.24 | 4148300205 |
| 33 | 1 2/7 | 2x7 | 4x7 | 40° | 1 | 1 | 0.25 | 4148300206 |
| 34 | 1 1/3 | 2x7 | 4x7 | 40° | 1 | 1 | 0.29 | 4148300207 |
| 35 | 1 3/8 | 2x7 | 5x7 | 35° | 1 | 1 | 0.33 | 4148300208 |
| 35 | 1 3/8 | 2x7 | 5x8 | 35° | 1 | 1 | 0.33 | 4148300209 |
| 36 | 1 3/7 | 1x8 | 3x9 | 40° | 1 | 1 | 0.36 | 4148300210 |
| 36 | 1 3/7 | 2x7 | 4x7 | 40° | 1 | 1 | 0.36 | 4148300211 |
| 36 | 1 3/7 | 2x7 | 5x8 | 35° | 1 | 1 | 0.36 | 4148300212 |
| 38 | 1 1/2 | 1x9 | 3x9 | 40° | 1 | 1 | 0.39 | 4148300213 |
| 38 | 1 1/2 | 2x8 | 3x9 | 40° | 1 | 1 | 0.39 | 4148300214 |
| 38 | 1 1/2 | 2x7 | 5x8 | 35° | 1 | 1 | 0.39 | 4148300215 |
| 38 | 1 1/2 | 2x7 | 5x9 | 35° | 1 | 1 | 0.39 | 4148300216 |
| 40 | 1 4/7 | 1x9 | 3x9 | 40° | 1 | 1 | 0.4 | 4148300217 |
| 40 | 1 4/7 | 2x8 | 3x9 | 40° | 1 | 1 | 0.4 | 4148300218 |
| 40 | 1 4/7 | 2x9 | 3x9 | 40° | 1 | 2 | 0.4 | 4148300219 |
| 40 | 1 4/7 | 2x7 | 5x9 | 35° | 1 | 1 | 0.4 | 4148300220 |
| 40 | 1 4/7 | 2x8 | 5x9 | 35° | 1 | 1 | 0.4 | 4148300221 |
| 41 | 1 3/5 | 2x7 | 5x9 | 35° | 1 | 1 | 0.41 | 4148300222 |
Tapered Rock Drilling Tools - 11° Button bit, Long skirt
| Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
| 32 | 1 1/4 | 2x7 | 5x7 | 35° | 1 | 1 | 0.3 | 4148300223 |
| 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.31 | 4148300224 |
| 33 | 1 2/7 | 2x7 | 6x7 | 40° | 1 | 1 | 0.31 | 4148300225 |
| 35 | 1 3/8 | 2x7 | 6x7 | 40° | 1 | 1 | 0.35 | 4148300226 |
| 38 | 1 1/2 | 2x7 | 5x9 | 35° | 1 | 1 | 0.41 | 4148300227 |
| 41 | 1 3/5 | 2x7 | 5x9 | 35° | 1 | 1 | 0.42 | 4148300228 |
Spherical Button Characteristics:
• Universal button
• Good wear resistance
• Best suited for hard ground
• 27000-48000PSI(180 to 320Mpa)
• Suited for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics:
• Fast Penetration
• Best suited for soft rock
• 10000-20000PSI(70 to 140Mpa)
• Suited for non-abrasive drilling conditions
KSQ Related Rock Drilling Tools(1) Integral Drill Rod– chisel bit integral rod and plug hole integral drill steel,
Shank H19 x 108mm and H22 108mm.
(2) Tapered Rock Drill Tools - chisel bit, cross bit, button bit, drill rod of taper 7, 11, 12
degree
(3) Threaded Rock Drill Tools - button bit, retrac button bit, drop center button bit, dome bit,
reaming bit,extension rod, MF-Rod, Hex rod, coupling sleeve,
crossover coupling of thread R25, R28, R32, R38, T38, T45, T51,
ST58, ST68.
(4) Shank Adapters (Striking Bars) - equivalent to Atlas Copco, , Furukawa, Gardner Genver, Ingersoll
Rand etc.
(5) Down-the-hole (DTH) Bits& Hammers - 3'', 4'', 5'', 6'', 8'' hammer and DTH button bit (diameter 80mm
- 305mm)
Other products: Tricone bits, PDC bits, self- drilling hollow
anchor bar etc.
Tag : Tapered drill bit
