Cop Series Ore Mine China Tungsten Carbide Rock Hammer Drill Bits Large Dia. Dth Drilling Rig

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      Unicorn Drill Drilling Bullet Bits, Flat Teeth and roller bits use high grade alloy steel (Q345B, 16Mn, Q195-Q345, etc.) and tungesten carbide tip and adopt advancedbrazing technology to produce high quality, high wear resistance, long life cutters. we also can produce all kind of rotary bits, trenching bit and flat bit according to customers' requirements.

 

 

 Purchase the standard drilling DTH.  

 

 

1)DTH Hammer Button Drill Bits

    High Air Pressure Tungstern Carbide DTH Hammer Button Drill Bits use high grade alloy steel and tungesten carbide and adopt advancedbrazing technology to produce high quality, high wear resistance, long life cutters. we also can produce all kind of rotary bits, trenching bit and Bullet bit according to customers' requirements.

    Usage: Coal cutting, Mining, Oil drilling, Well dig, Road Milling etc.
    Applicable layers: dense sand, gravel and medium hard rocks, etc..

    Dth Hammer Types:

    Low air pressure: 0.5-0.7Mpa
    Middle air pressure: 0.7-1.8Mpa
    High air pressure: 1.8-2.5Mpa

 

ROLLER BITS IADC CODE SELECTION

DTH hammer typeMHD35MHD45MSD4

MQL4

Length(less bit) mm930mm10301084

1097

Weight(less bit) kg25kg3940.541
External diameter mmΦ82mmΦ99Φ99Φ99
Bit shankDHD3.5COP44 DHD340SD4QL40
Hole range(mm)Φ90-110Φ110-135Φ110-135Φ110-135
Connection threadAPI 2 3/8” Reg. API 2 3/8"Reg API 2 3/8"Reg API 2 3/8"Reg 
Working pressure1.0-1.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa28Hz27Hz27Hz27Hz
Recommended Rotation speed25-40r/min25-40r/min25-40r/min25-40r/min
Air consumption1.0Mpa4.5m3/min6.0m3/min6.0m3/min6.0m3/min
1.8Mpa9.0m3/min10.0m3/min10.0m3/min10.0m3/min
2.4Mpa 15.0m3/min15.0m3/min15.0m3/min

 

 

 

Customized your own drilling bits, teeth & roller bits

 

(1). Type: Soil teeth, Rock bits or roller bits.

(2). Moder No.:B47K20H, B47K19H, B47K17H, 3050, 3060, 3065,C30, C31HD, B85, B43H,18TL, 18HD, 25VIP, 18VIP,  25T, 25HD, 22T,833-18,855 25,18PN/LK,25PN/LK , single roller bits or tricone roller bits.

(3). Usage: Coal cutting, Mining, Oil drilling, Well dig, Road Milling etc.

(4). Other size please send the draft to us, we also can manufactured for you.

 

 

related products 2

 

 

At A Glance

    Unicorn Drill is a company dedicated to the designing and manufacturing of drilling tools and tailor-made Kelly Bars for pilling rigs in China since 2011. When Unicorn Drill decide to create the world class drilling tools, we have already clearly in mind the outline of business plan: to become the benchmark in the production of tools and to let the whole industry been impressed by China manufacturing.

    At Unicorn Drill, our mission is to meet the needs and wants of our customers by providing the high-performance drilling tools and exceptional service through a team with unique technic and character.

 

Our Products

    In the foundation engineering field of pilling, and accessories for rotary drilling rig , as well as soil investigation, we currently supply: drilling buckets, drilling augers,continue flight auger, drilling bits,  drilling teeth, tailor-made kelly bar, casing tube, casing drive, casing shoe, casing teeth, casing oscillator, tremie pipe, pile breaker.

 

Quality Control

    A good production project starts from supply for raw material; the skills and the human resources are the “treasure” of our company. The Unicorn Drill begins to develop a precise structure, a strong aptitude for technological innovation, the enhancement of human capabilities, upgrading and international. The team today is a very dynamic group, consolidated in the wide range of products and constantly looking for new solutions to the increasingly complex challenges faced by civil engineering worldwide.

 

 

 

1.100% Inspection before shipment.

2. Wrapped with plastic film.
3. Fixed with iron support, wheel or pallet when necessary.
4. Packed with plastic cases and wooden cases for drilling bits, clay teeth.