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| Categories | DTH Drill Bits | 
|---|---|
| Brand Name: | MIROC | 
| Model Number: | DTH Button Bit | 
| Place of Origin: | China | 
| MOQ: | 10 Pieces | 
| Price: | negotiation | 
| Supply Ability: | 20000 pieces per month | 
| Delivery Time: | 20-25 days | 
| Packaging Details: | Carton Box or Wooden Box | 
| Material: | Tungsten Carbide Button and Steel Body | 
| Button Size: | 10*14mm,9*16mm | 
| Button Type: | Ballistic | 
| Face type: | Convex | 
| name: | mining drill bits | 
| model: | M40 M50 M60 M80 SD4 SD5 SD6 SD8 SD10 SD12 | 
| Model: | DHD, SD, QL, MISSION, NUMA | 
| Company Info. | 
| KSQ Technologies (Beijing) Co. Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
QL50 140mm DTH Hammer Bit for Open-Pit Mining and Water Well Drilling
DTH drilling is a percussion system driving a piston inside hammer
body with up and down motion by compressed air and transmitting an
intensive percussion energy to the bit to enable the drilling by
crushing the rock. Drilling method by DTH hammer exerts high
drilling performance especially for drilling hard rock and
contributes for shortening work schedule. Hence, this method is
widely utilized for foundation work, landslide prevention work,
quarrying services, marine civil work, etc.
KSQ makes and supplies the finest and most efficient Down-the-Hole
(DTH) hammers and bits for the mining, construction and water well
industries. Sansung DTH hammers transmit intensive impact energy
with low energy loss. This results in good rock breakage, high
penetration rates and high productivity. The equipment is designed
to give optimal hole quality, reliability, and long service life,
as well as the best blasting results and low total operation cost.
We can design and manufacture the personalized products to meet your specical apllication, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.), and flushing holes.

Applications
• Underground mining
• Down the hole rock drilling
KSQ more dth button bits:
| Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure | Air consumption | |
| 1-3" Middle-low pressure DTH hammers | RD40 box | 0.7-1.75Mpa | 0.7Mpa | 4.5m3/min | ||
| BR1 | RD50 box | ¢64-¢76mm | 0.7-1.75Mpa | |||
| BR2 | API 2 3/8" Reg | ¢70-¢90mm | 0.7-1.75Mpa | 1.0Mpa | 4m3/min | |
| BR3 | ¢90-¢110mm | 1.4Mpa | 5m3/min | |||
| 3" hammers | DHD3.5 | API 2 3/8"Reg | ¢90-¢110mm | 1.0-1.5Mpa | 1.0Mpa | 4.5m3/min | 
| COP32/COP34 | ||||||
| M30 | 1.5Mpa | 9m3/min | ||||
| 4" hammers | DHD340 | API 2 3/8"Reg | ¢105-¢130mm | 1.0-2.5Mpa | 1.0Mpa | 6m3/min | 
| COP44 | ||||||
| QL40 | ||||||
| SD4 | 1.8Mpa | 10m3/min | ||||
| M40 | 2.4Mpa | 15m3/min | ||||
| 5" hammers | DHD350 | API 2 3/8"Reg/API 3 1/2"Reg | ¢130-¢156mm | 1.0-2.5Mpa | 1.0Mpa | 9m3/min | 
| COP54 | ||||||
| QL50 | ||||||
| SD5 | 1.8Mpa | 15m3/min | ||||
| M50 | 2.4Mpa | 23m3/min | ||||
| 6" hammers | DHD360 | API 3 1/2"Reg | ¢152-¢203mm | 1.0-2.5Mpa | 1.0Mpa | 10m3/min | 
| COP64 | ||||||
| QL60 | ||||||
| SD6 | 1.8Mpa | 20m3/min | ||||
| M60 | 2.4Mpa | 28.5m3/min | ||||
| 8" hammers | DHD380 | API 4 1/2"Reg | ¢200-¢279mm | 1.0-2.5Mpa | 1.0Mpa | 15m3/min | 
| COP84 | ||||||
| QL80 | 1.8Mpa | 26m3/min | ||||
| SD8 | 2.4Mpa | 34m3/min | ||||
| 10" hammers | SD10 | API 6 5/8"Reg | ¢254-¢330mm | 1.0-2.5Mpa | 1.0Mpa | 22m3/min | 
| NUMA100 | 1.8Mpa | 40m3/min | ||||
| 2.4Mpa | 55m3/min | |||||
| 12" hammers | DHD1120 | API 6 5/8"Reg | ¢305-¢381mm | 1.0-2.5Mpa | 1.0Mpa | 30m3/min | 
| SD12 | ||||||
| NUMA120 | 1.8Mpa | 56m3/min | ||||
| NUMA125 | 2.4Mpa | 78m3/min | ||||

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