Hunan Tianying Drilling Machine Manufacturing Co., Ltd. |
|
Cost Effective Cemented Carbide Insert Mining Drill Bits For Mining
Industry
Click here for catalogueTCI DRILL BIT.pdf
All bits the above are manufactured according to strict standards,
set forth by the American Petroleum Institute (API).
And classified according to characteristics set forth by the
International Association of Drilling Contractors (IADC).
IADC745 Is For Drilling Hard to Very-Hard Formation
The hard formation TCI tricone bits features robust chisel tungsten
carbide inserts on the heel row and conical on the inner rows.
This design provides a fast drilling rate and added cutting
structure durability in medium to medium hard formations.
The HSN rubber O-ring provides adequate sealing for bearing
durability.
Application : For use in abrasive consolidated formations with compressive
strength above 400 Mpa such as taconite, quartzite and banded iron
formations
Cutting structure: These bits are characterized by closely spaced conical or
spherical inserts with medium to low projection. This configuration
promotes good penetration rates in hard, consolidated and very
abrasive formations. Smaller carbide inserts are provided on the
gage and inner rows or hard metal is deposited in the nose area to
contain shell erosion and improve performance.
How to read an IADC Code properly
First Digit | TOOTH |
1 | Steel tooth bits for Soft Formation |
2 | Steel tooth bits for Medium Formation |
3 | Steel tooth bits for Hard Formation |
4 | TUNGSTEN CARBIDE INSERT BITS For varying formation hardness with 4 being the softest and 8 the hardest. |
5 | |
6 | |
7 | |
8 | |
Second Digit | FORMATION |
1 | 1,2,3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest. |
2 | |
3 | |
4 | |
Third Digit | BEARING/SEAL TYPE |
1 | Standard open bearing roller bit |
2 | Standard open bearing roller bit, air-cooled |
3 | Standard open bearing roller bit with gauge protection |
4 | Sealed roller bearing bit |
5 | Sealed roller bearing bit with gauge protection |
6 | Journal sealed bearing bit |
7 | Journal sealed bearing bit with gauge protection |
Fourth Digit | ADDITIONAL FEATURES |
A | Air application |
R | Reinforced welds |
C | Center jet |
S | Standard steel tooth |
D | Deviation control |
X | Chisel insert |
E | Extended jet |
Y | Conical Insert |
G | Extra gage protection |
Z | Other insert shape |
J | Jet Deflection |
What is Mining Drill Bit consists of?
Bits thread are manufactured according to API standards.
BIT SIZE | BIT WEIGHT | THREAD TYPE(API) |
7 7/8” (200mm) | 36KG | 4 1/2” REG |
9 7/8” (251mm) | 67KG | 6 5/8” REG |
11” (280mm) | 76KG | 6 5/8” REG |
6 5/8” (311mm) | 100KG | 6 5/8” REG |
Advantage:
Main Products We Provide
We mainly provide Tricone Bits(Rock Drilling Bits), DTH Bits and
PDC Bits for mining rock drill , water well drilling and oil well
drilling.
Don’t see the bit you are looking for? Give us a call, we can
customize any bit to fit your unique circumstances.
1). Tricone Bits:
a). Type: Tungsten Carbide Insert (TCI)
b). Formation Application: Soft to Hard Formation
c). Size Available: 3''~26''
d). Popular IADC Code: IADC545,645,725,735,745,825,835
2). DTH Bits:
a). Type: Tungsten Carbide Insert (TCI)
b). Formation Application: Soft to Hard Formation
c). Size Available: 2.8''~26''
d). Popular IADC Code: IADC117/137, 217/237, 317/337, 417/437,
517/537, 617/637
3). PDC Bits:
a). Type: Matrix Body and Steel Body
b). Formation Application: Soft to Hard Formation
c). Size Available: 3 1/2''~26''
d). Popular IADC Code: 121/122/123, 221/223/224,
323/324/332/333/334/343,
423/424/432/433/443
Our Company
Hunan TianYing Drilling Machine Manufacturing Co., Ltd. was
founded in 2003, located at Zhuzhou, China, the word famous
tungsten Carbide production base. We are a professional producer,
and supplier of Rock Drilling Bits, all the bits crafted from the
finest material available in today's market.TCI(Tungsten Carbide
Insert) types are our main products, available in many sizes,
designed for soft to very hard formations. With years of study and
refining, our Rock Drilling Bits are preceded by extensive R&D,
field tested, and backed by our unmatched commitment to service and
support, our products exported to all over the world, such as
Australia, North America, Middle East, North Africa and Southeast
Asia etc. Today, Tianying's products have been favored and
respected by domestic and foreign customers. We will continue to
serve our customers with high quality products, excellent service
and reasonable price.