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Help CenterCold Heading Anchor Bolt 21mm Precision Manufactured Industrial Bolt
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Product Display
PRODUCT SPECIFICATIONS
Self drilling anchor bar with R25, R32, R38, R51, T30, T40, T52, T73, T76 etc.
Plate Specification
Type |
Size(mm) |
Thickness(mm) |
Hole diameter(mm) |
Weight(kg) |
R25N |
150x150 |
8 |
30 |
1.4 |
R32L,R32N |
200x200 |
10 |
35 |
3 |
R32S, R32SS |
200x200 |
12 |
35 |
3.3 |
R38N |
200x200 |
12 |
41 |
3.6 |
R51L |
200x200 |
30 |
60 |
8.8 |
R51N |
250x250 |
40 |
60 |
18.5 |
T30 |
200x200 |
8 |
36 |
2.46 |
T40-20mm |
200x200 |
12 |
54 |
3.5 |
T40-16mm |
200x200 |
15 |
54 |
4.58 |
T52 |
220x220 |
35 |
65 |
12.1 |
T73 |
250x250 |
40 |
80 |
18 |
T76 |
250x250 |
40 |
80 |
18 |
T103 |
300x300 |
50 |
110 |
32.6 |
Coupler Specification
Type |
Outside Diameter(mm) |
Length(mm) |
Weight |
R25 |
36 |
150 |
0.6 |
R32L |
42 |
145 |
0.72 |
R32N |
42 |
160 |
0.8 |
R32S, R32SS |
42 |
190 |
0.96 |
R38 |
52 |
220 |
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 |
9 |
220 |
5.35 |
T103 |
123 |
255 |
7.45 |
Self Drilling Hollow Grouting Anchor Bar specification
Type |
Inner diameter |
Ultimate load |
Yield load capacity |
Weight |
||||
(mm) |
capacity(KN) |
(KN) |
(KG) |
|||||
R Thread |
||||||||
R25N |
14 |
200 |
150 |
2.3 |
||||
R32N |
21 |
280 |
230 |
2,9 |
||||
18.5 |
280 |
230 |
3.4 |
|||||
R32S |
16 |
360 |
280 |
3.6 |
||||
R32SS |
15.5 |
405 |
350 |
3.8 |
||||
R38N |
21 |
500 |
400 |
4.8 |
||||
19 |
500 |
400 |
5.5 |
|||||
R51L |
36 |
550 |
450 |
7 |
||||
R51N |
33 |
800 |
630 |
8.4 |
||||
T Thread |
||||||||
T30 |
11 |
320 |
260 |
3.41 |
||||
14 |
275 |
220 |
2.87 |
|||||
16 |
245 |
190 |
2.7 |
|||||
T40 |
16 |
660 |
525 |
6.6 |
||||
20 |
540 |
425 |
5.6 |
|||||
T52 |
26 |
925 |
730 |
9.87 |
||||
T73 |
53 |
1160 |
970 |
14.2 |
||||
56 |
1035 |
830 |
10.75 |
|||||
45 |
1585 |
1270 |
17.8 |
|||||
35 |
1865 |
1430 |
21.2 |
|||||
T76S |
45 |
1900 |
1500 |
19.7 |
||||
T76N |
51 |
1600 |
1200 |
15 |
||||
T103 |
78 |
2270 |
1800 |
25.3 |
||||
51 |
3660 |
2670 |
44.6 |
|||||
T111L |
82 |
2640 |
2000 |
25 |
||||
T111N |
75 |
3650 |
2750 |
34.5 |
||||
T127 |
111 |
2320 |
2030 |
28.9 |
||||
T130 |
60 |
7940 |
5250 |
75 |
||||
Nut Specifications
Type |
Key size(mm) |
Length(mm) |
Weight(kg) |
R25N |
41 |
35 |
0.25 |
R32L, R32N |
46 |
45 |
0.35 |
R32S,R32SS |
46 |
65 |
0.53 |
R38N |
50 |
60 |
0.5 |
R51L, R51N |
75 |
70 |
1.5 |
T30 |
46 |
35 |
0.36 |
T40 |
65 |
50 |
0.85 |
T52 |
80 |
70 |
2.35 |
T73 |
95 |
70 |
2.2 |
T76 |
100 |
80 |
2.66 |
T103 |
125 |
80 |
3.42 |
Bit Specification
Type |
Specification |
Material |
Weight(kg) |
Height(mm) |
|
Steel Cross bit(EX) |
R25 / D42mm |
42CrMo |
0.28 |
56 |
|
R32 / D45mm |
42CrMo |
0.31 |
56 |
||
R32 /D51mm |
42CrMo |
0.36 |
56 |
||
R38/D76mm |
42CrMo |
12 |
80 |
||
R38 /D90mm |
42CrMo |
1.53 |
80 |
||
R51 /D115mm |
42CrMo |
3.61 |
100 |
||
T30/ D51mm |
42CrMo |
0.41 |
56 |
||
T40 / D76mm |
42CrMo |
1.21 |
80 |
||
T76/ D130mm |
42CrMo |
3.92 |
100 |
||
T76/ D150mm |
42CrMo |
6.1 |
110 |
||
Cross button bit(EXX) |
R25 /D42mm |
40CR |
0.3 |
58 |
|
R32/ D45mm |
40CR |
0.38 |
56 |
||
R32 / D51mm |
40CR |
0.42 |
56 |
||
R38 / D76mm |
40CR |
1.27 |
85 |
||
T30/ D51mm |
40CR |
0.42 |
56 |
||
T40/D76mm |
40CR |
1.27 |
80 |
||
T40/D90mm |
40CR |
21 |
90 |
||
R51 /D100mm |
40CR |
3.2 |
90 |
||
R51 /D115mm |
40CR |
3.5 |
100 |
||
T76/ D130mm |
40CR |
3.61 |
100 |
||
T76/ D150mm |
40CR |
6.27 |
125 |
||
Drill button bit(ESS) |
R25 / D42mm |
40CR |
0.33 |
60 |
|
R32/ D45mm |
40CR |
0.35 |
60 |
||
R32/ D51mm |
40CR |
0.49 |
60 |
||
R38/D76mm |
40CR |
1.447 |
82 |
||
R38/ D90mm |
40CR |
2.73 |
100 |
||
R51/D100mm |
40CR |
2.81 |
100 |
||
R51 /D115mm |
40CR |
3.72 |
110 |
||
T76/ D130mm |
40CR |
6.78 |
120 |
Note:We can produce other standard as the customers' requirement
Product spotlights
Feature highlights
The self-drilling hollow anchor bar offers fast drilling and installation by combining drilling, anchoring, and grouting in one
step. Its hollow core allows for debris removal during drilling and immediate grout injection, ensuring efficient performance.
Made from robust Q235 carbon steel, it features continuous threads for customizable length adjustments and is suitable for tunnel pre-support, slope stabilization, and mining projects.
Supplier highlights
This supplier is a manufacturer and trader. It offers flexible customization, full customization, design customization, and sample customization. The positive review rate is 100.0%.
Our Advantages
1.Own Factory with 10+ years Industry Experience2.Advanced Manufacturing Equipment
3.Skilled Research &Development Department
4.Full-time Quality Control Department
5.Reliable Pre-sales&After-sales Service Department
6.Competitive Price,Superior Quality and On-time Deliery
1. Q: Are you manufacture or trade company?
A: We are manufacture specialized in steel casing pipes, we have 1 facotory in China, welcome to visit us at any time.And also we have own trading department to export goods.
2. Q: How can I get the samples?
A: If you need some samples to test, we can send small free pipe sampe.You should pay for the transportation freight fee only.
3. Q: How much the transportation freight of samples?
A: The freight depends on the weight and packing size and your area.
4. Q: How long can I expect to get the sample?
A: The samples will be ready for delivery within one week. The samples will be sent via express and arrive in 4-7 days.
5. Q: Can we have our Logo or company name to be printed on your products or package?
A: Sure. Your Logo can be print on your pipes when your quantity is reach our requirement.
Send Inquiry to This Supplier
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