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T51 89mm High Speed Drill Bits / Button Drill Bit 33 - 178mm Diameter For Mining
JCDRILL Thread Retract Button Drill Bit
Retractable rock drill button bit is well known for its high wear
resistance on medium-hard to hard abrasive rock formations (between
200 Mpa to 260 Mpa compressive strength).Featuring spherical
tungsten carbide inserts that is known to have strong configuration
against carbide fracture.
• Recommended for eliminating hole deviation
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock
Suitable for powerful percussive drills and top hammers with high
speed drifter,,such as Atlas Copco 282 rocket boomer,Atlas Copco
352 rocket boomer jumbo,AtlasCopcoD7roc,FurukawaHCR 1200,
Tamrock,and Ingesoll Rand ECM660,the products are widely used in
bench and production drilling, extensional drilling,our products
with comparative advantages of the more prominent cost-effective as
the famous brand in the world, our products have been recognized as
high-quality brand of rock-drilling tools made in China.
Retractable rock drill button bit suitable for small hole range
Retractable rock drill button bit widely used in Dimensional Stone
Quarrying Industry
Retractable rock drill button bit widely used in Underground Mining
Industry
T38 Retract rock drill button bit most popular size:64mm,70mm,76mm,89mm
Characteristics
1. Reaming Drill Bit connect with tapered drill rod perfectly for
drilling holes.
2. Stable and mature welding technology ensure high quality of
bits.
3. Accurate dimension of taper degree perfectly matches the rods.
4. work reliable and very cost-effective.
5. High grade tungsten carbide inserts.
6. Bit bodies manufactured from high grade steel and processed
using state-of-the-art CNC machinery and heat treatment.
7. Long life
8. Lower consumption
9. Wide selections of drill bits
10. Delivery quickly
Parameter
Diameter | NO*Button Dia | Gauge | Flushing | Approx's | Part No. | |||
Dia | Front | Gauge | Buttons | Hole | Weight | |||
mm | inch | EA | EA | Angle | Front | Side | kg | |
32 | 1 1/4 | 2*7 | 3*8 | 35 | 1*6 | 2*4 | 0.2 | Q532-722 |
33 | 1 19/64 | 2*7 | 4*7 | 40 | 1*5 | 1*5 | 0.2 | Q633-722 |
33 | 1 19/64 | 2*7 | 5*7 | 35 | 2*4 | 1*4 | 0.2 | Q733-722 |
34 | 1 11/32 | 2*7 | 4*7 | 40 | 1*5 | 1*5 | 0.29 | Q634-722 |
35 | 1 3/8 | 2*7 | 5*7 | 35 | 1*5 | 1*5 | 0.22 | Q735-722 |
36 | 1 27/64 | 1*8 | 3*9 | 40 | 1*6 | 1*6 | 0.3 | Q436-722 |
36 | 1 27/64 | 2*7 | 4*7 | 40 | 1*6 | 1*6 | 0.35 | Q636-722 |
36 | 1 27/64 | 2*7 | 5*8 | 35 | 1*6 | 1*5 | 0.3 | Q736-722 |
38 | 1 1/2 | 1*9 | 3*9 | 40 | 1*6 | 1*6 | 0.35 | Q438-722 |
38 | 1 1/2 | 2*8 | 4*8 | 40 | 1*6 | 1*6 | 0.35 | Q638-722 |
38 | 1 1/2 | 2*7 | 5*8 | 35 | 1*6 | 1*5 | 0.35 | Q738-722 |
38 | 1 1/2 | 2*7 | 5*9 | 40 | 2*4 | 1*4 | 0.35 | Q738-722A |
40 | 1 37/64 | 1*9 | 3*9 | 40 | 1*6 | 1*6 | 0.35 | Q440-722 |
40 | 1 37/64 | 2*7 | 5*9 | 35 | 1*6 | 1*5 | 0.35 | Q740-722 |
41 | 1 5/8 | 2*7 | 5*9 | 35 | 1*6 | 1*5 | 0.35 | Q741-722 |
42 | 1 21/32 | 1*9 | 3*9 | 30 | 1*6 | 1*6 | 0.35 | Q741-722 |
42 | 1 5/8 | 2*7 | 5*9 | 35 | 1*6 | 1*5 | 0.35 | Q442-722 |
Ps: Special design is available upon your requirement.
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We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
2. Quality Control
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