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Self-Drilling Grouting bolt consists of anchor nut, anchor plate, anchor coupler, hollow anchor bar, drill bit.
Feature:
1. Self drilling anchor bolt has performance of drilling and grouting. It features a hollow bore for flushing, or simultaneous drilling and grouting.
2. The size of self drilling anchor bolt hole is between 25mm to 130mm, which depends on anchor bolt size you have chosen.
3. Anchor bars with full thread can be connected easily with coupler to the length you need.
4. Self-drilling anchor bolt is suitable for anchoring in broken geological condition and narrow space, which has achieved perfect effect.
Application: Road /rail construction and maintenance, Tunneling & Mining, Slope protection, Rural environments, deep foundation pit, avalanche protection structures.
|
Description |
Opposite side size (mm) |
Length (mm) |
Hardness (HRC) |
Thread type |
Weight |
|
R25N |
41 |
35 |
25-30 |
ISO10208 |
0.25 |
|
R32L |
46 |
45 |
25-30 |
0.35 |
|
|
R32N/21 |
46 |
45 |
25-30 |
0.35 |
|
|
R32N/18.5 |
46 |
45 |
25-30 |
0.35 |
|
|
R32S |
46 |
65 |
25-30 |
0.53 |
|
|
R32SS |
46 |
65 |
25-30 |
0.53 |
|
|
R38N/21 |
50 |
60 |
25-30 |
0.50 |
|
|
R38N/19 |
50 |
60 |
25-30 |
0.50 |
|
|
R51L |
75 |
70 |
25-30 |
ISO1720 |
1.50 |
|
R51N |
75 |
70 |
25-30 |
1.50 |
|
|
T30/16 |
46 |
35 |
25-30 |
T international standard |
0.36 |
|
T30/14 |
46 |
35 |
25-30 |
0.36 |
|
|
T30/11 |
46 |
35 |
25-30 |
0.36 |
|
|
T40/20 |
60 |
50 |
25-30 |
0.85 |
|
|
T40/16 |
60 |
50 |
25-30 |
0.85 |
|
|
T76N |
100 |
80 |
25-30 |
2.66 |
|
|
T76S |
100 |
80 |
25-30 |
2.66 |