2398#,JuYing Road,TaiZhou City, ZheJiang Province,China
+86-13906570816
+86-576-82878867
[email protected]
[email protected]
[email protected]
| Bits |
Diameter |
Buttons.mm |
Angle |
Flushing hole |
Part No. | |||
|
mm |
in |
Front No Size |
Gauge NO Size |
Front |
Gauge | |||
|
Button bit |
||||||||
|
|
38 | 1 1/2" | 2x 7 | 5x9 | 30° | 1 | 2 | 38R28-27/59-T7-01 |
| 38 | 1 1/2" | 2x 7 | 5x9 | 35° | 1 | 2 | 38R28-27/59-T7-02 | |
| 41 | 1 5/8" | 2x 8 | 5x9 | 35° | 1 | 2 | 41R28-28/59-T7-01 | |
| 43 | 1 11/16" | 2x 8 | 5x10 | 35° | 1 | 2 | 43R28-28/510-T7-01 | |
| 45 | 1 3/4" | 2x 9 | 5x10 | 35° | 1 | 2 | 45R28-29/510-T7-01 | |
|
Button bit |
||||||||
 |
43 | 1 11/16" | 3x 8 | 6x9 | 30° | 3 | 1 | 43R28-38/69-T9-01 |
| 45 | 1 3/4" | 3x 8 | 6x10 | 35° | 3 | 1 | 45R28-38/610-T9-01 | |
| 48 | 1 7/8" | 3x 9 | 6x10 | 35° | 3 | 1 | 45R28-39/610-T9-01 | |
| Drill Rod |
Length |
Diameter | Weight approx kg | Part No. | ||
|
mm |
Foot |
mm |
inch |
|||
|
Drifter rod，R32-Hex28-R28
|
2400 2750 3700 4000 4310 4920 |
7'10" 9' 12'11/2" 13'13/8" 14'/11/2" 16'/11/2" |
28 28 28 28 28 28 |
1 1/8 1 1/8 1 1/8 1 1/8 1 1/8 1 1/8 |
12.2 14.4 18.9 20.4 22.0 25.3 |
22H28-R28/R32-2400-23 22H28-R28/R32-2750-23 22H28-R28/R32-3700-23 22H28-R28/R32-4000-23 22H28-R28/R32-4310-23 22H28-R28/R32-4920-23 |
|
Drifter rod，R38-Hex32-R28
|
2900 3090 3700 4310 |
9'/61/8" 10'/11/2" 12'11/2" 14'11/2" |
32 32 32 32 |
1 1/4 1 1/4 1 1/4 1 1/4 |
18.8 20.0 24.0 27.9 |
22H32-R28/R38-2900-23 22H32-R28/R38-3090-23 22H32-R28/R38-3700-23 22H32-R28/R38-4310-23 |
|
Drifter rod，R32-Hex32-R28
|
3090 3700 |
10'11/2" 12'11/2" |
32 32 |
1 1/4 1 1/4 |
20.0 23.5 |
22H32-R28/R32-3090-23 22H32-R28/R32-3700-23 |
|
Drifter rod，R32-Hex32-R28
|
3090 3700 4000 4310 |
10'11/2" 12'11/2" 13'13/8" 14'11/2" |
32 32 32 32 |
1 1/4 1 1/4 1 1/4 1 1/4 |
20.0 24.0 25.9 27.9 |
22H32-R28/R32N-3090-23 22H32-R23/R32N-3700-23 22H32-R28/R32N-4000-23 22H32-R23/R32N-4310-23 |
|
Extension rod，R28-Hex28-R28
|
3050 | 10' | 28 | 1 1/8 | 15.0 | 23H28-R28-3050-23 |
|
Speedrod，R28-Hex28-R28
|
3050 | 10' | 28 | 1 1/8 | 15.0 | 24H28-R28/39-3050-23 |
| Coupling |
Length |
Diameter | Thread | Weight approx kg | Part No. | ||
|
mm |
inch |
mm |
inch |
||||
|
Coupling sleeves
|
150 150 170 |
5 7/8 5 7/8 6 3/4 |
44 40 55 |
1 3/4 1 37/64 2 5/32 |
R32 R28 R38 |
1.0 0.9 2.0 |
7314-2601 7314-2602 7314-2603 |
| Coupling sleeves of different diameter |
160 160 |
6 5/16 6 5/16 |
45 56 |
1 3/4 1 13/64 |
R28-R32 R28-R38 |
1.2 2.5 |
7314-2604 7314-2605 |
Taizhou Kaiqiu Drilling Tools Co., Ltd. is a China R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling manufacturers and R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling suppliers with a history of more than ten years. Inheriting the family spirit of craftsmanship, on its entrepreneurial path, the company stands by pragmatic and resolute faith, and comply with the core value of being result-oriented, responsible and accountable, in order to promote the revolution and development in segmented market. In the meantime, Kaiqiu Company has achieved its modest objective of establishing itself as the market leader in R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling.
New norm, new journey. As we march on this journey full of glories, we are going to dedicate ourselves to the “human drilling tools” industry with the most responsible and enthusiastic devotion. Become the most trusted R28 Top Hammer Tunneling Mining Thread Button Bit/Rod/Coupling factory by customers. We will strive to improve the cost-efficacy, recognition, and comprehensive performance of the product, and make Kaiqiu one of the most influential enterprises in the market that enjoys advantages in intellectual property rights and innovation capability.
We have various factories and products, experienced technicians and sales team, professional quality assurance and after-sales team to help your business start and succeed.
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+86-13906570816
+86-576-82878867