38mm 12 Degree Small Hole Rock Drill Tapered Drill Button Bit
38mm 12 Degree Small Hole Rock Drill Tapered Drill Button Bit
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.
|
Product name |
Tapered Button Bits |
|
Material |
Tungsten Carbides |
|
Application |
Quarrying, small hole drilling |
|
Advantage |
High Performance |
|
Color |
Customized |
|
Usage |
Mining / Quarrying / Tunneling |
|
Button Type |
Hemispherical/Parabolic/Ballistic / Conical |
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
|
Bit Dia. |
Buttons and Size (mm) |
Flushing Hole |
Weight |
||||
|
mm |
inch |
Front |
Gauge |
Angle |
Front |
Side |
kg |
|
32 |
1 1/4 |
1x8 |
3x8 |
35° |
1 |
2 |
0.24 |
|
32 |
1 1/4 |
2x7 |
5x7 |
40° |
1 |
1 |
0.24 |
|
33 |
1 2/7 |
2x7 |
4x7 |
40° |
1 |
1 |
0.25 |
|
34 |
1 1/3 |
2x7 |
4x7 |
40° |
1 |
1 |
0.29 |
|
35 |
1 3/8 |
2x7 |
5x7 |
35° |
1 |
1 |
0.33 |
|
35 |
1 3/8 |
2x7 |
5x8 |
35° |
1 |
1 |
0.33 |
|
36 |
1 3/7 |
1x8 |
3x9 |
40° |
1 |
1 |
0.36 |
|
36 |
1 3/7 |
2x7 |
4x7 |
40° |
1 |
1 |
0.36 |
|
36 |
1 3/7 |
2x7 |
5x8 |
35° |
1 |
1 |
0.36 |
|
38 |
1 1/2 |
1x9 |
3x9 |
40° |
1 |
1 |
0.39 |
|
38 |
1 1/2 |
2x8 |
3x9 |
40° |
1 |
1 |
0.39 |
|
38 |
1 1/2 |
2x7 |
5x8 |
35° |
1 |
1 |
0.39 |
|
38 |
1 1/2 |
2x7 |
5x9 |
35° |
1 |
1 |
0.39 |
|
40 |
1 4/7 |
1x9 |
3x9 |
40° |
1 |
1 |
0.4 |
|
40 |
1 4/7 |
2x8 |
3x9 |
40° |
1 |
1 |
0.4 |
|
40 |
1 4/7 |
2x9 |
3x9 |
40° |
1 |
2 |
0.4 |
|
40 |
1 4/7 |
2x7 |
5x9 |
35° |
1 |
1 |
0.4 |
|
40 |
1 4/7 |
2x8 |
5x9 |
35° |
1 |
1 |
0.4 |
|
41 |
1 3/5 |
2x7 |
5x9 |
35° |
1 |
1 |
0.41 |
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
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.