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| ALL THREAD RODS |
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All thread is used for general purpose fastening for anything from an anchor bolt to a through bolt. A variety of grades and materials are available including stainless steel.
For high strength fasteners, one cannot simply substitute all thread rod for a headed bolt without a significant loss in strength. To learn why you may assume a tremendous amount of liability by making such a substitution Specification & Grades of mfg rods are as following table.
| SPECIFICATION |
GRADE |
HARDNESS |
| HRB. |
HRC. |
| MIN |
MAX |
MIN |
MAX |
| IS-1367 PART-3 |
4.6 |
114 |
209 |
|
|
| IS-1367 PART-3 |
4.8 |
124 |
209 |
|
|
| IS-1367 PART-3 |
5.6 |
147 |
209 |
|
|
| IS-1367 PART-3 |
8.8 < 16 |
219 |
285 |
20 |
30 |
| IS-1367 PART-3 |
8.8 > 16 |
242 |
319 |
23 |
34 |
| IS-1367 PART-3 |
10.9 |
295 |
362 |
31 |
39 |
| IS-1367 PART-3 |
12.9 |
353 |
412 |
38 |
44 |
| IS-1367 PART-6 |
4 |
- |
302 |
- |
30 |
| IS-1367 PART-6 |
8 |
- |
302 |
- |
30 |
| IS-1367 PART-6 |
10 |
- |
353 |
- |
36 |
| IS-1367 PART-6 |
12 |
- |
353 |
- |
36 |
| ASTM A193 |
B6 |
|
212 |
|
19 |
| ASTM A193 |
B7 |
|
321 |
|
35 |
| ASTM A193 |
B7M |
|
235 |
|
23 |
| ASTM A193 |
B8/B8M/B8T. CL-1 |
|
223 |
|
21 |
| ASTM A193 |
B8/B8M/B8T. CL-2 |
|
321 |
|
35 |
| ASTM A194 |
2H |
248 |
252 |
24 |
35 |
| ASTM A194 |
2HM-7M |
159 |
237 |
- |
22 |
| ASTM A194 |
GR.7 |
248 |
352 |
24 |
35 |
| ASTM A194 |
GR.8/8M/8T |
126 |
300 |
|
31 |
| ASTM A320 |
L7/L7M |
|
235 |
|
23 |
| ASTM A320 |
B8/B8M/B8T. CL-1 |
|
223 |
|
19 |
| ASTM A320 |
B8A/B8MA/B8TA |
|
192 |
|
13 |
| ASTM A320 |
B8/B8M/B8T. CL-2 |
|
321 |
|
35 |
|
|
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