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China Wholesale Bore Hole Drill Bit Factory – R28 (1 1/8 “) bit thread – LYNE


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With our rich working experience and thoughtful companies, we have now been recognized as being a trustworthy supplier for a lot of global potential buyers for Hollow Drill Steel, Button Rock Drill Bits, Rock Drill Price, Our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.
China Wholesale Bore Hole Drill Bit Factory – R28 (1 1/8 “) bit thread – LYNE Detail:

R28 (1 1/8 “) bit threa

Bits

Diameter

Buttons,mm

Angle

Flushing hole

Weight approx kg

Part No.

mm

in

Front

No Size

Gauge

No Size

Type

Front

Gauge

Button bit
 Button bit

38

1 1/2”

2×7

5×9

图片 2

30º

1

1

0.60

1431-38R28-27/59-45-41

38

1 1/2”

2×7

5×9

图片 2

35º

1

1

0.60

1431-38R28-27/59-45-41

41

1 5/8”

2×8

5×9

图片 2

35º

1

1

0.70

1431-41R28-28/59-45-41

43

1 11/16”

2×8

5×10

图片 2

30º

1

1

0.70

1431-43R28-28/510-45-41

Cross bit
Cross bit

38

1 1/2”

-

-

-

-

1

2

0.60

1221-38R28-12/8-42-23

41

1 5/8”

-

-

-

-

1

2

0.70

1221-41R28-12/8-42-23

Reaming bit, 6º taper
Reaming bit, 6º taper

64

2 1/3”

4×8

8×9

图片 2

25º

-

-

0.90

1441-646-48/89-45-51

76

3”

4×10

8×10

图片 2

30º

-

-

1.30

1441-766-410/810-45-51

89

3 1/2”

4×11

8×11

图片 2

30º

-

-

1.70

1441-896-411/811-45-51

Pilot adapter, 6º taper,R28 thread
Pilot adapter, 6º taper,R28 thread

26

1 1/32”

-

-

-

-

-

-

1.30

1442-26R28-15/8-45-23

Rods

Length

Diameter

Weight approx kg

Part No.

mm

Ft/in

mm

inch

Drifter rod,R32-Hex28-R28
Drifter rod,R32-Hex28-R28

2400

7'10/2”

28

1 1/8”

12.3

21H28—R28/R32-2400-23

2750

9'1/4”

28

1 1/8”

14.1

21H28—R28/R32-2750-23

3090

10'15/8”

28

1 1/8”

15.8

21H28—R28/R32-3090-23

3700

12'15/8”

28

1 1/8”

18.9

21H28—R28/R32-3700-23

4310

14'15/8”

28

1 1/8”

22.0

21H28—R28/R32-4310-23

Coupling sleeve
Coupling sleeve

R32

150

5 7/8”

44

1 23/32”

1.0

31-R32-44-150-23

production process

Thread Button Bit
Thread Button Bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers’ request.
Prodrill supply all kind of button bits with Rope thread R22, R25, R28, R32, R35, R38 and T thread, T38, T45, T51, ST58, ST68, T60 etc. for world famous brand drill rig.
Main button bits is:
R32-43MM, R32-45MM, R32-51, R32-64, R32-76;
T38-64, T38-76MM, T38-89, T38-102MM;
T45-76MM, T45-89MM, T45-102MM;
T51-89MM, T51-102MM, T51-127MM etc.
all face design, flat face, drop-center face, normal body and retrac body.

certificate


Product detail pictures:

China Wholesale Bore Hole Drill Bit Factory –  R28 (1 1/8 “) bit thread – LYNE detail pictures


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We can always satisfy our respected customers with our good quality, good price and good service due to we are more professional and more hard-working and do it in cost-effective way for China Wholesale Bore Hole Drill Bit Factory – R28 (1 1/8 “) bit thread – LYNE , The product will supply to all over the world, such as: Borussia Dortmund, Mexico, Bulgaria, We sincerely hope to cooperate with customers all over the world, if you would like to have more information, please kindly contact us, we are looking forward to building up a great business relationship with you.
  • This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Yannick Vergoz from Croatia - 2018.06.12 16:22
    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By John biddlestone from USA - 2017.12.31 14:53
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