350R-152mm Down The Hole Button Bits
Made with high quality of raw material through special heat treatment ,especially, tungsten carbide of tapered button bits are from Boart long year,widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying. At now, we are exporting the huge qty of Q7- 33- 7 22-80 , Q9 -45 -12 22- 71 for Indian quarry and Norway, Finland quarry.
Diameter of bits from 30mm to 50mm with 4 ,6,7,11,12 degree, premium alloy tapered drill steel with Hexagonal.22mm and Hexagonal.25mm,The deliver capacity are very strong and can completely meet customer's requirements on delivery design,number of buttons is 4,5,6,7,8,9,7 buttons is very popular for hold held (short holes ) and blast drilling system.
Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters
Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
.Specification:
| Hammer DTH |
1" bit |
2" bit |
3" bit |
4" bit |
5" bit |
6" bit |
8" bit |
10" bit |
12" bit |
15" bit |
20" bit |
24" bit |
| Drill Blasting by DTH rig for down the hole in mm |
57 64 70 76 (3") |
80 82 90 |
92 95 100 105 110 |
105 110 115 120 125 130 |
130 135 138 140 146 150 152(6") 156 |
152 154 156 159 165 171 178 185 190 203(8") |
200 203 216 219 222 225 229(9") 235 240 254(10") 270 279(11") |
254 270 279 295 305(12") 311 315 330 (13") |
305 311 315 330 343 350 356 368 375 381 (15") |
381 391 413 435 438 445 451 457(18") 464 483(19") 508(20") |
483 508 560(22") 578 610(24") 660(26") |
610 660 724 737 ( 29") 762 (30") 864 (34 ") 914 (36") |
| Specification |
BR1 |
BR2 DHD25 |
DHD35 IR3.5 COP34 BR3 QL30 COP32 M30 |
DHD340A COP44 SD4 M40 SD4 |
DHD55 DHD350R COP54 M50 SD5 QL50 |
DHD65 M60 SD6 QL60 |
DHD85, DHD380, DHD84, M80, SD80, QL80 |
SD10 NUMA100 |
DHD120 NUMA120 NUMA125 |
DHD330 |
DHD450 |
DHD525 |
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| Bit Face |
Flat |
Flat |
Flat |
Flat |
Flat |
Cancave Canvex |
Cancave Canvex |
Cancave Canvex |
Cancave Canvex |
Cancave Canvex |
Cancave Canvex |
Cancave Canvex |
| Carbide button |
Dome/hemispherical, Paraboli/semi-ballistic, Ballistic |
| Gauge buttons |
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8*12, 7*11 |
8*14 |
8*16/18 |
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| Front buttons |
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7*12/13/14 |
8/10*14/15/16 |
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| Buttons Qty |
8 |
10 to 13 |
15 |
15 to 18 |
16 to 18 |
16 to 24 |
18 to 41 |
22 to 41 |
41 to 55 |
45 to 81 |
77to 93 |
75 to 132 |
| Air pressure |
0.7-1.75Mpa |
0.7-1.75Mpa |
1-1.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
1-2.5Mpa |
| Size type |
Normal |
Normal |
Normal |
Normal |
Normal |
Normal |
Normal |
Big size |
Big size |
Big size |
Big size |
Big size |
| Skirt steel |
23CrNi3Mo, 20Cr2Ni4 |
| Production process |
Fully carburized () of special heat treament with stress relief ( ) + full CNC ()for accurate machincal processing for perfect arc of skirt body to assure same consumption of skirt body with YK05 tungsten carbide inserts, which is by cold-inserted techology , no broken and drop in time of drilling |
| Advantage |
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| R. O.P |
fast |
fast |
fast |
fast |
fast |
fast |
fast |
fast |
fast |
fast |
fast |
fast |
| Hole straightness |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
Perfect |
| Hole clean quality |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
| Productivity action |
High |
High |
High |
High |
High |
High |
High |
High |
High |
High |
High |
High |
| Drilling life |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
Longer |
| Interchangable |
Ok |
Ok |
Ok |
Ok |
Ok |
Ok |
Ok |
Ok |
Ok |
Ok |
Ok |
|
| Air consumption |
Less |
Less |
Less |
Less |
Less |
Less |
Less |
Less |
Less |
Less |
Less |
|
| Resisitance wear |
High |
High |
High |
High |
High |
High |
High |
High |
High |
High |
High |
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| Usage |
Quarry |
Quarry |
Quarry |
blasting |
blasting |
blasting |
blasting |
water wells oil gas |
water wells oil gas |
water wells oil gas |
water wells oil gas |
water wells oil gas |
| Site |
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| Rock hardness |
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14-16HRC |
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| Air pressure |
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20KG |
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| Depth meter |
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1.5 M |
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| drilling speed |
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4 minute |
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