- Contact Person : Ms. Lee Admin
- Company Name : Zhengzhou Qugong Machinery Equipment Co., Ltd.
- Tel : 86-371-66880787
- Fax : 86-371-66726089
- Address : Henan,Zhengzhou,The South Room of 14th floor, Unit3, No.28 Yiquan Community,Shangzhuang Village,Nancao Town,Guancheng District
- Country/Region : China
- Zip : 450000
chisel,cross,button rock drill bit and oil drill bit sets ,high pressure drill bit and tapered thread drill bit
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Oil drill bit sets:(single,cross,button Type and high pressure type)
We have many kinds of drill bits for our customers to choose, like taper bit(taper button bit, taper chisel bit and taper cross bit), thread bit( R thread and T thread), retrac bit and dth bit( from 3" to 8" are available)
I. Thread button bits specifications:
1) Bit body : normal type and retrac type
2) Bit diameter: 32mm-127mm
3) Bit face shape: flat face and drop centre
4) Tungsten carbide (Buttons): spherical, ballistic and conical.
5) DTH bit, in contains high air pressure and low air pressure dth button bit.
(a) high air pressure: Cop, Br, HD, XL, QL, Mission series.
(b) low air pressure: CIR and J series
Note: We can design and manufacture according to customer's requirement of the Bit Diameter,No.air holes,carbide button shape and the face shape.
II. Rock Drill Bits Classifications And Applications:
1. Single-chisel type rock drill bits : For light drill machine cut high hardness is not drill layers, facilitate the grinding.
2. Cross type and cruciform type rock drill bits : Applicable with larger impact energy rock drills, under the condition of cut fractured rock drill and abrasive strong rock strata, resistance to abrasion radial ability.
3. Ball booth type and button type rock drill bits : In a larger impact energy rock drills, under the condition of flake set piece than chisel bit strong applicability hammer, speed and life and high, cut out of a round shape.
III. FACE and BUTTON designs for our products:
Button bit insert types:
Button type | Applications |
Spherical button
| l Universal button l Wearing resistance l Best suitable for hard rock l 27,000-48,000 PSI (180-320 Mpa) l Abrasive to very abrasive |
Hemispherical button | l Universal button l Wearing resistance l Best suitable for hard rock l 25,000-45,000 PSI (170-300 Mpa) l Abrasive to very abrasive |
Parabolic button | l Universal button l Fast penetration l Best suitable for medium to hard rock l 15,000-25,000 PSI (100-170 Mpa) l Mildly abrasive ground |
Conical button | l Fast penetration l Best suited for smaller diameter bits l Suitable for all non-abrasive ground types |
Ballistic button | l Fast penetration l Best suitable for soft rock l 10,000-20,000 PSI (70-140 Mpa) l Non-abrasive ground |
Bit face designs
Face | Applications |
Button bit, short skirt | l For H22 drill rod |
Button bit, long skirt | l For H22 drill rod |
Button bit | l General purpose bit |
Retract button bit, long skirt | l Design to provide easy removal and completion of bit in adverse hole conditions |
Retract button bit, short skirt | l Design to provide easy removal and completion of bit in adverse hole conditions |
Flat face | l General purpose bit l Suitable for medium to hard rock |
Drop face | l Straight hole application l Suitable for medium rock |
New drop face | l Straight hole application l Suitable for medium rock |
VI. Technique Parameters: (Taper chisel, cross, button bit)
High-pressure drill bit:
V. Certifications:
VI. Contact Information:
If you have any interesting in our products, please feel free to let me know. It is my great pleasure to help you to find durable and the most suitable drill bits.
chisel,cross,button rock drill bit and oil drill bit sets ,high pressure drill bit and tapered thread drill bit