PRODUCTS LISTTel & WhatsApp: +86 130 0653 3721
Email：mya@yihuidrilling.com
www.yihuidrilling.com
Product Introduction
Coupler
SDA bolt sleeves
Our sleeves have a physical stop in the middle of the couplings to stop the thread and the hollow bar.
Self-drilling bolt sleeves can extend the length of hollow bar, the length can be changed by your request. It was widely used in the SDA system, it was suitable for anchoring in broken geological condition and narrow space, which has achieved perfect effect.
Thread type:
R25,R32,R38,R51,T30,T40,T52,T73,T76,T103,T130 etc
|
|
|||
|
Type |
Outer diameter(mm) |
Length(mm) |
Weight |
|
R25 |
36 |
150 |
0.6 |
|
R32L |
42 |
145 |
0.72 |
|
R32N |
42 |
160 |
0.8 |
|
R32S. R32SS |
42 |
160 |
0.96 |
|
R38 |
50 |
180 |
1.8 |
|
R51L |
63 |
140 |
1.26 |
|
R51N |
63 |
200 |
1.9 |
|
T30 |
38 |
105 |
0.42 |
|
T40-20mm |
54 |
140 |
1.15 |
|
T40-16mm |
57 |
140 |
1.54 |
|
T52 |
70 |
160 |
2.3 |
|
T73 |
95 |
235 |
4.3 |
|
T76N |
95 |
200 |
4.3 |
|
T76S |
97 |
220 |
5.35 |
|
T103 |
123 |
255 |
7.45 |
