Full threaded steel self drilling rock bolt / hollow anchor bar / anchor rods price
Introduce of hollow grouted self drilling rock bolt/anchor bar/anchor rod
A kind of hollow bolt, used for relatively stable and complete rock strata, resin, engineering glue, quick setting cement and other anchoring agent from the center of the bolt injection, better than ordinary bolt anchoring quality.Because of the appearance of self-propelled hollow grouting bolt, hollow grouting bolt can also be used in the stratum under the condition of loose rock and soil.
Some parameters for self drilling rock bolt/anchor bar/anchor rod
Self drilling rod
|
|
UNIT |
R25N |
R32L |
R32N |
R32S |
R38N |
R51L |
R51N |
T76N |
|
Outer Dia |
mm |
25.00 |
32.00 |
32.00 |
32.00 |
38.00 |
51.00 |
51.00 |
76.00 |
|
Inner Dia |
mm |
14 |
22 |
20 |
18.5 |
22 |
36 |
33 |
51 |
|
Ultimate load |
KN |
200 |
260 |
280 |
360 |
500 |
550 |
800 |
1600 |
|
Yield load |
KN |
150 |
200 |
230 |
280 |
400 |
450 |
630 |
1200 |
Anhor plate
|
|
UNIT |
R25N |
R32L |
R32N |
R32S |
R38N |
R51L |
R51N |
T76N |
|
Dimension |
mm |
150*150 |
200*200 |
200*200 |
200*200 |
200*200 |
250*250 |
250*250 |
250*250 |
|
Inner Dia |
mm |
8 |
10 |
10 |
12 |
12 |
30 |
40 |
40 |
Anchor coupler
|
|
UNIT |
R25N |
R32L |
R32N |
R32S |
R38N |
R51L |
R51N |
T76N |
|
Outer Dimension |
mm |
36 |
42 |
42 |
42 |
52 |
63 |
63 |
95 |
|
Length |
mm |
150 |
145 |
160 |
190 |
220 |
140 |
200 |
200 |
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