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API 6A Clouser Bolting shall be qualified, manufacture and marked in accordance with API 20E & API 20F. Bolting Levels (BSLs) are specified in the below table.
API 20E | API 20F | |
---|---|---|
PSL 1 | BSL-1 | BSL-2 |
PSL 2 | BSL-1 | BSL-2 |
PSL3 | BSL-1 | BSL-2 |
PSL 4 | BSL-2 (bolt nominal diameter ≤ 2 1/2 in.) | BSL-2 (bolt nominal diameter ≤ 2 1/2 in.) |
PSL 4 | BSL-3 (bolt nominal diameter > 2 1/2 in.) | BSL-3 (bolt nominal diameter > 2 1/2 in.) |
Product | Pressure Rating MPa (psi) | Nominal Size ( in .) | ASTM Bolting Standard(s) and 0.2 % Offset Yield Strength | |||
---|---|---|---|---|---|---|
Nonexposed Bolting | H2S-Exposed Bolting | |||||
A193 GR. B7 (≤ 2.5") A320 GR. L7 (≤ 2.5") A320 GR. L43 (≤ 4.0") |
A193 GR. B7 (˃ 2.5") A320 GR. L7 (˃ 2.5") |
A13 GR. B7M (≤ 4.0") A320 GR. L7M (≤ 2.5") |
A453 GR. 660D (≤ 4. 0" ) CRA |
|||
725 MPa (105 ksi) | 655 MPa (95 ksi) | 550 MPa (80 ksi) | 725 MPa (105 ksi) | |||
API 6A Studs, Bolts, and Cap Screws | 13.8 (2000 ) | All sizes | ✔ | NA | ✔ | ✔ |
20.7(3000 ) | All sizes | ✔ | NA | ✔ | ✔ | |
34.5 (5000 ) | All sizes | ✔ | NA | ✔ | ✔ | |
69. 0(10,000) | 1 13/16, 2 1/16, 2 9/16,3 1/16 | ✔ | NA | ✔ | ✔ | |
4 1/16 | ✔ | NA | Unacceptable | ✔ | ||
5 1/8 | ✔ | NA | Unacceptable | ✔ | ||
7 1/16 | ✔ | NA | ✔ | ✔ | ||
9, 11, 13 5/8, 18 3/4, 21 1/4 | ✔ | NA | Unacceptable | ✔ | ||
103.5(15,000 ) | 14/5 | ✔ | NA | ✔ | ✔ | |
2 1/16, 2 9/16,3 1/16, 4 1/16 | ✔ | NA | Unacceptable | ✔ | ||
5 1/8 | ✔ | NA | ✔ | ✔ | ||
7 1/16, 9, 11, 13 5/8 | ✔ | NA | Unacceptable | ✔ | ||
18 3/4 | NA | ✔ | Unacceptable | ✔ | ||
138.0(20,000 ) | 1 13/16, 2 1/16, 2 9/16,3 1/16, 4 1/16, 7 1/16, 9 | ✔ | NA | ✔ | ✔ | |
11, 13 5/8 | ✔ Gr. L43 only | ✔ | ✔ Gr. B7M only | ✔ | ||
API 6A Nuts | All pressure ratings | All sizes | ASTM A194/A194M GR.2H, 2HM, 7, 7M | ASTM A194/A194M GR.2HM, 7M |
Temperature Class | P, S, T, U | K, L |
---|---|---|
Impact testing of studs, bolts, and screws required | No a | Yes |
Acceptable ASTM bolting standards and grades for studs, bolts, and screws | A193/A193M GR.B7 | A320/A320M GR.L7 |
A320/A320M GR.L7 | A320/A320M GR.L43 | |
A320/A320M GR.L43 | A320/A320M GR.L7M | |
A193/A193M GR.B7M | A453/A453M GR.660D | |
A320/A320M GR.L7M | CRA | |
A453/A453M GR.660D | - | |
CRA | - | |
Acceptable ASTMs tandards and grades for nuts b | ASTM A194/A194M | ASTM A194/A194M |
GR.2H, 2HM, 7, 7M | GR.2H, 2HM, 7, 7M |
ASTM A453/A453M Grade 660D Solution- treated and age hardened bolting shall be acceptableat a hardness of HRC35 and lower, and a minimum 0% offsetyield strength of 725 MPa(105,000 psi). Environment and materials limits specified in NACE MRO175/ ISO15156 shall apply.
NOTE 1– CRA materials may be used, provided they satisfy the minimum mechanical requirements of ASTM A453/A453M Grade 660D bolting, except that the maximum hardness shall meet NACE MR0175/ISO 15156 requirements.
NOTE 2 – NACE MR0175 provides material usage limits for H2S environments.Other forms of cracking may result from the presence of chlorides (such as seawater) and or hydrogen (such as cathodic protection ).
Stud Diameter D in. |
Threads per in. N 1/in. |
Studs with Sy = 550 MPa Bolt Stress Equal to 275 MPa |
Studs with Sy = 720 MPa Bolt Stress Equal to 360 MPa |
Studs with Sy = 655 MPa Bolt Stress Equal to 327.5 MPa |
||||||
---|---|---|---|---|---|---|---|---|---|---|
Tension F kN |
Torque f = 0.07 N-m |
Torque f = 0.13 N-m |
Tension F kN |
Torque f = 0.07 N-m |
Torque f = 0.13 N-m |
Tension F kN |
Torque f = 0.07 N-m |
Torque f = 0.13 N-m |
||
0.500 | 13 | 25 | 36 | 61 | 33 | 48 | 80 | - | - | - |
0.625 | 11 | 40 | 70 | 118 | 53 | 92 | 155 | - | - | - |
0.750 | 10 | 59 | 122 | 206 | 78 | 160 | 270 | - | - | - |
0.875 | 9 | 82 | 193 | 328 | 107 | 253 | 429 | - | - | - |
1.000 | 8 | 107 | 288 | 488 | 141 | 376 | 639 | - | - | - |
1.125 | 8 | 140 | 413 | 706 | 184 | 540 | 925 | - | - | - |
1.250 | 8 | 177 | 569 | 981 | 232 | 745 | 1285 | - | - | - |
1.375 | 8 | 21 9 | 761 | 1320 | 286 | 996 | 1727 | - | - | - |
1.500 | 8 | 265 | 991 | 1727 | 346 | 1297 | 2261 | - | - | - |
1.625 | 8 | 31 5 | 1263 | 221 1 | 41 2 | 1653 | 2894 | - | - | - |
1.750 | 8 | 369 | 1581 | 2777 | 484 | 2069 | 3636 | - | - | - |
1.875 | 8 | 428 | 1947 | 3433 | 561 | 2549 | 4493 | - | - | - |
2.000 | 8 | 492 | 2366 | 4183 | 644 | 3097 | 5476 | - | - | - |
2.250 | 8 | 631 | 3375 | 5997 | 826 | 4418 | 7851 | - | - | - |
2.500 | 8 | 788 | 4635 | 8271 | 1032 | 6068 | 10,828 | - | - | - |
2.625 | 8 | - | - | - | - | - | - | 1040 | 6394 | 11 ,429 |
2.750 | 8 | - | - | - | - | - | - | 11 46 | 7354 | 13,168 |
3.000 | 8 | - | - | - | - | - | - | 1375 | 9555 | 17,1 56 |
3.250 | 8 | - | - | - | - | - | - | 1624 | 12,1 54 | 21 ,878 |
3.750 | 8 | - | - | - | - | - | - | 2185 | 18,685 | 33,766 |
3.875 | 8 | - | - | - | - | - | - | 2338 | 20,620 | 37,293 |
4.000 | 8 | - | - | - | - | - | - | 2496 | 22,683 | 41 ,057 |
Stud Diameter D in. |
Threads per in. N 1/in. |
Studs with Sy = 80 ksi Bolt Stress Equal to 40 ksi |
Studs with Sy = 105 ksi Bolt Stress Equal to 52.5 ksi |
Studs with Sy = 95 ksi Bolt Stress Equal to 47.5 ksi |
||||||
---|---|---|---|---|---|---|---|---|---|---|
Tension F lbf |
Torque f = 0.07 ft-lbf |
Torque f = 0.13 ft-lbf |
Tension F lbf |
Torque f = 0.07 ft-lbf |
Torque f = 0.13 ft-lbf |
Tension F lbf |
Torque f = 0.07 ft-lbf |
Torque f = 0.13 ft-lbf |
||
0.500 | 13 | 5676 | 27 | 45 | 7450 | 35 | 59 | - | - | - |
0.625 | 11 | 9040 | 52 | 88 | 11865 | 65 | 115 | - | - | - |
0.750 | 10 | 13378 | 90 | 153 | 17559 | 118 | 200 | - | - | - |
0.875 | 9 | 18769 | 143 | 243 | 24241 | 188 | 319 | - | - | - |
1.000 | 8 | 24230 | 213 | 361 | 31802 | 279 | 474 | - | - | - |
1.125 | 8 | 31618 | 305 | 523 | 41499 | 401 | 686 | - | - | - |
1.250 | 8 | 39988 | 421 | 726 | 52,484 | 553 | 953 | - | - | - |
1.375 | 8 | 49,340 | 563 | 976 | 64,759 | 739 | 1281 | - | - | - |
1.500 | 8 | 59,674 | 733 | 1278 | 78,322 | 962 | 1677 | - | - | - |
1.625 | 8 | 70,989 | 934 | 1635 | 93,1 73 | 1226 | 2146 | - | - | - |
1.750 | 8 | 83,286 | 1169 | 2054 | 109,313 | 1534 | 2696 | - | - | - |
1.875 | 8 | 96,565 | 1440 | 2539 | 126,741 | 1890 | 3332 | - | - | - |
2.000 | 8 | 110,825 | 1750 | 3094 | 145,458 | 2297 | 4061 | - | - | - |
2.250 | 8 | 142,292 | 2496 | 4436 | 186,758 | 3276 | 5822 | - | - | - |
2.500 | 8 | 177,685 | 3429 | 61 18 | 233,212 | 4500 | 8030 | - | - | - |
2.625 | 8 | - | - | - | - | - | - | 233,765 | 4716 | 8430 |
2.750 | 8 | - | - | - | - | - | - | 257,694 | 5424 | 9712 |
3.000 | 8 | - | - | - | - | - | - | 309,050 | 7047 | 12,654 |
3.250 | 8 | - | - | - | - | - | - | 365,070 | 8965 | 16,136 |
3.750 | 8 | - | - | - | - | - | - | 491,099 | 13,782 | 24,905 |
3.875 | 8 | - | - | - | - | - | - | 525,521 | 15,208 | 27,506 |
4.000 | 8 | - | - | - | - | - | - | 561,108 | 16,730 | 30,282 |
Flange Size and Pressure | Bolt Size and Thread | Length* | Flange Size and Pressure | Bolt Size and Thread | Length* | ||
---|---|---|---|---|---|---|---|
2 1/16 | 2000 | 5/8 - 11 UNC | 5.000 | 7 1/16 | 2000 | 1 - 8 UNC | 7.500 |
2 1/16 | 3000 | 7/8 - 9 UNC | 6.500 | 7 1/16 | 3000 | 1 1/8 - 8 UN | 8.500 |
2 1/16 | 5000 | 7/8 - 9 UNC | 6.500 | 7 1/16 | 5000 | 1 3/8 - 8 UN | 11.250 |
2 9/16 | 2000 | 3/4 - 10 UNC | 5.500 | 9 | 2000 | 1 1/8 - 8 UN | 8.500 |
2 9/16 | 3000 | 1 - 8 UNC | 7.000 | 9 | 3000 | 1 3/8 - 8 UN | 9.500 |
2 9/16 | 5000 | 1 - 8 UNC | 7.000 | 9 | 5000 | 1 5/8 - 8 UN | 12.500 |
3 1/8 | 2000 | 3/4 - 10 UNC | 5.750 | 11 | 2000 | 1 1/4 - 8 UN | 9.250 |
3 1/8 | 3000 | 7/8 - 9 UNC | 6.500 | 11 | 3000 | 1 3/8 - 8 UN | 10.000 |
3 1/8 | 5000 | 1 1/8 - 8 UN | 7.750 | 11 | 5000 | 1 7/8 - 8 UN | 14.250 |
4 1/16 | 2000 | 7/8 - 9 UNC | 6.500 | 13 5/8 | 2000 | 1 1/4 - 8 UN | 9.500 |
4 1/16 | 3000 | 1 1/8 - 8 UN | 7.500 | 13 5/8 | 3000 | 1 3/8 - 8 UN | 10.750 |
4 1/16 | 5000 | 1 1/4 - 8 UN | 8.500 | 16 3/4 | 2000 | 1 1/2 - 8 UN | 10.750 |
5 1/8 | 2000 | 1 - 8 UNC | 7.250 | 16 3/4 | 3000 | 1 5/8 - 8 UN | 12.250 |
5 1/8 | 3000 | 1 1/4 - 8 UN | 8.250 | 21 1/4 | 2000 | 1 5/8 - 8 UN | 12.250 |
5 1/8 | 5000 | 1 1/2 - 8 UN | 10.500 | 20 3/4 | 3000 | 2-8 UN | 15.000 |
|
Flange Size and Pressure | Bolt Size and Thread | Length * | Flange Size and Pressure | Bolt Size and Thread | Length * | ||
---|---|---|---|---|---|---|---|
1 4/5 | 10,000 | 3/4 - 10 UNC | 5.500 | 11 | 10,000 | 1 3/4 - 8 UN | 15.250 |
1 4/5 | 15,000 | 7/8 - 9 UNC | 6.000 | 11 | 15,000 | 2-8 UN | 19.500 |
1 4/5 | 20,000 | 1 - 8 UNC | 7.750 | 11 | 20,000 | 2 3/4 - 8 UN | 23.750 |
2 1/16 | 10,000 | 3/4 - 10 UNC | 5.500 | 13 5/8 | 5000 | 1 5/8 - 8 UN | 12.750 |
2 1/16 | 15,000 | 7/8 - 9 UNC | 6.500 | 13 5/8 | 10,000 | 1 7/8 - 8 UN | 17.750 |
2 1/16 | 20,000 | 1 1/8 - 8 UN | 8.500 | 13 5/8 | 15,000 | 2 1/4 - 8 UN | 21.250 |
2 9/16 | 10,000 | 7/8 - 9 UNC | 6.500 | 13 5/8 | 20,000 | 3-8 UN | 29.750 |
2 9/16 | 15,000 | 1 - 8 UN | 7.250 | 16 3/4 | 5000 | 1 7/8 - 8 UN | 14.750 |
2 9/16 | 20,000 | 1 1/4 - 8 UN | 9.500 | 16 3/4 | 10,000 | 1 7/8 - 8 UN | 17.750 |
3 1/16 | 10,000 | 1 - 8 UNC | 7.250 | 18 3/4 | 5000 | 2-8 UN | 17.750 |
3 1/16 | 15,000 | 1 1/8 - 8 UN | 8.000 | 18 3/4 | 10,000 | 2 1/4 - 8 UN | 22.750 |
3 1/16 | 20,000 | 1 3/8 - 8 UN | 10.250 | 18 3/4 | 15,000 | 3-8 UN | 26.750 |
4 1/16 | 10,000 | 1 1/8 - 8 UN | 8.500 | 21 1/4 | 5000 | 2-8 UN | 19.000 |
4 1/16 | 15,000 | 1 3/8 - 8 UN | 9.750 | 21 1/4 | 10,000 | 2 1/2 - 8 UN | 24.750 |
4 1/16 | 20,000 | 1 3/4 - 8UN | 12.500 | 26 3/4 | 2000 | 1 3/4 - 8 UN | 14.250 |
5 1/8 | 10,000 | 1 1/8 - 8 UN | 9.250 | 26 3/4 | 3000 | 2-8 UN | 17.500 |
5 1/8 | 15,000 | 1 1/2 - 8 UN | 11.500 | 30 | 2000 | 1 5/8 - 8 UN | 14.500 |
7 1/16 | 10,000 | 1 1/2 - 8 UN | 11.750 | 30 | 3000 | 1 7/8 - 8 UN | 17.750 |
7 1/16 | 15,000 | 1 1/2 - 8 UN | 13.000 | - | - | - | - |
7 1/16 | 20,000 | 2-8 UN | 17.750 | - | - | - | - |
9 | 10,000 | 1 1/2 - 8 UN | 13.500 | - | - | - | - |
9 | 15,000 | 1 7/8 - 8 UN | 16.000 | - | - | - | - |
9 | 20,000 | 2 1/2 - 8UN | 21.750 | - | - | - | - |
|
Flange Size Size and Pressure | Bolt and Thread | Tap End Length* | Nut End Length | Length** | |
---|---|---|---|---|---|
2 1/16 | 2000 | 5/8 - 11 UNC | 0.761 | 1.563 | 3.625 |
2 1/16 | 3000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.625 |
2 1/16 | 5000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.625 |
2 9/16 | 2000 | 3/4 - 10 UNC | 0.900 | 1.875 | 4.000 |
2 9/16 | 3000 | 1 - 8 UNC | 1.188 | 2.500 | 5.125 |
2 9/16 | 5000 | 1 - 8 UNC | 1.188 | 2.500 | 5.125 |
3 1/8 | 2000 | 3/4 - 10 UNC | 0.900 | 1.875 | 4.1 25 |
3 1/8 | 3000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.625 |
3 1/8 | 5000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.625 |
4 1/16 | 2000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.625 |
4 1/16 | 3000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.500 |
4 1/16 | 5000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.125 |
5 1/8 | 2000 | 1 - 8 UNC | 1.188 | 2.500 | 5.250 |
5 1/8 | 3000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.000 |
5 1/8 | 5000 | 1 1/2 - 8 UN | 1.688 | 3.750 | 7.375 |
7 1/16 | 2000 | 1 - 8 UNC | 1.188 | 2.500 | 5.375 |
7 1/16 | 3000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.875 |
7 1/16 | 5000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 7.500 |
9 | 2000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.875 |
9 | 3000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 6.750 |
9 | 5000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.500 |
11 | 2000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.500 |
11 | 3000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 7.000 |
11 | 5000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 9.625 |
13 5/8 | 2000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.625 |
13 5/8 | 3000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 7.375 |
16 3/4 | 2000 | 1 1/2 - 8 UN | 1.688 | 3.750 | 7.500 |
16 3/4 | 3000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.375 |
21 1/4 | 2000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.375 |
20 3/4 | 3000 | 2-8 UN | 2.188 | 5.000 | 10.125 |
|
Flange Size and Pressure | Bolt Size and Thread | Tap End Length * | Nut End Length | Length ** | Flange Size and Pressure | Bolt Size and Thread | Tap End Length * | Nut End Length | Length ** | ||
---|---|---|---|---|---|---|---|---|---|---|---|
1 13/16 | 10,000 | 3/4- 10 UNC | 0.900 | 1.875 | 3.750 | 11 | 10,000 | 13/4- 8 UN | 1.938 | 4.375 | 9.750 |
1 13/16 | 15,000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.1 25 | 11 | 15,000 | 2-8 UN | 2.188 | 5.000 | 12.000 |
1 13/16 | 20,000 | 1 - 8 UNC | 1.188 | 2.500 | 5.125 | 11 | 20,000 | 23/4- 8 UN | 2.938 | 6.875 | 15.000 |
2 1/16 | 10,000 | 3/4- 10 UNC | 0.900 | 1.875 | 3.875 | 13 5/8 | 5000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.375 |
2 1/16 | 15,000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.375 | 13 5/8 | 10,000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 11.000 |
2 1/16 | 20,000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.750 | 13 5/8 | 15,000 | 2 1/4 - 8 UN | 2.438 | 5.625 | 13.250 |
2 9/16 | 10,000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.375 | 13 5/8 | 20,000 | 3-8 UN | 3.188 | 7.500 | 18.1 25 |
2 9/16 | 15,000 | 1 - 8 UNC | 1.188 | 2.500 | 4.875 | 16 3/4 | 5000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 9.500 |
2 9/16 | 20,000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.250 | 16 3/4 | 10,000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 11.000 |
3 1/16 | 10,000 | 1 - 8 UNC | 1.188 | 2.500 | 5.000 | 18 3/4 | 5000 | 2-8 UN | 2.188 | 5.000 | 11.250 |
3 1/16 | 15,000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.500 | 18 3/4 | 10,000 | 2 1/4 - 8 UN | 2.438 | 5.625 | 14.000 |
3 1/16 | 20,000 | 13/8- 8 UN | 1.563 | 3.438 | 6.750 | 18 3/4 | 15,000 | 3-8 UN | 3.188 | 7.500 | 16.750 |
4 1/16 | 10,000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.750 | 21 1/4 | 5000 | 2-8 UN | 2.188 | 5.000 | 11.750 |
4 1/16 | 15,000 | 13/8- 8 UN | 1.563 | 3.438 | 6.500 | 21 1/4 | 10,000 | 2 1/2- 8 UN | 2.688 | 6.250 | 15.125 |
4 1/16 | 20,000 | 13/4- 8 UN | 1.938 | 4.375 | 8.375 | 263/4 | 2000 | 13/4- 8 UN | 1.938 | 4.375 | 9.125 |
5 1/8 | 10,000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 6.000 | 263/4 | 3000 | 2-8 UN | 2.188 | 5.000 | 11.000 |
5 1/8 | 15,000 | 1 1/2- 8 UN | 1.688 | 3.750 | 7.625 | 30 | 2000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 9.250 |
7 1/16 | 10,000 | 1 1/2- 8 UN | 1.688 | 3.750 | 7.750 | 30 | 3000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 11.000 |
7 1/16 | 15,000 | 1 1/2- 8 UN | 1.688 | 3.750 | 8.375 | - | - | - | - | - | - |
7 1/16 | 20,000 | 2-8 UN | 2.188 | 5.000 | 11.125 | - | - | - | - | - | - |
9 | 10,000 | 1 1/2- 8 UN | 1.688 | 3.750 | 8.500 | - | - | - | - | - | - |
9 | 15,000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 10.1 25 | - | - | - | - | - | - |
9 | 20,000 | 2 1/2- 8 UN | 2.688 | 6.250 | 13.750 | - | - | - | - | - | - |
|
Flange Size and Pressure | Bolt Size and Thread | Length* | Flange Size and Pressure | Bolt Size and Thread | Length* | ||
---|---|---|---|---|---|---|---|
2 1/16 | 2000 | 5/8 - 11 UNC | 4.750 | 7 1/16 | 2000 | 1 - 8 UNC | 7.250 |
2 1/16 | 3000 | 7/8 - 9 UNC | 6.250 | 7 1/16 | 3000 | 1 1/8 - 8 UN | 8.250 |
2 1/16 | 5000 | 7/8 - 9 UNC | 6.250 | 7 1/16 | 5000 | 1 3/8 - 8 UN | 11.000 |
2 9/16 | 2000 | 3/4 - 10 UNC | 5.250 | 9 | 2000 | 1 1/8 - 8 UN | 8.250 |
2 9/16 | 3000 | 1 - 8 UNC | 6.750 | 9 | 3000 | 1 3/8 - 8 UN | 9.250 |
2 9/16 | 5000 | 1 - 8 UNC | 6.750 | 9 | 5000 | 1 5/8 - 8 UN | 12.250 |
3 1/8 | 2000 | 3/4 - 10 UNC | 5.500 | 11 | 2000 | 1 1/4 - 8 UN | 9.000 |
3 1/8 | 3000 | 7/8 - 9 UNC | 6.250 | 11 | 3000 | 1 3/8 - 8 UN | 9.750 |
3 1/8 | 5000 | 1 1/8 - 8 UN | 7.500 | 11 | 5000 | 1 7/8 - 8 UN | 14.000 |
4 1/16 | 2000 | 7/8 - 9 UNC | 6.250 | 13 5/8 | 2000 | 1 1/4 - 8 UN | 9.250 |
4 1/16 | 3000 | 1 1/8 - 8 UN | 7.250 | 13 5/8 | 3000 | 1 3/8 - 8 UN | 10.500 |
4 1/16 | 5000 | 1 1/4 - 8 UN | 8.250 | 16 3/4 | 2000 | 1 1/2 - 8 UN | 10.500 |
5 1/8 | 2000 | 1 - 8 UNC | 7.000 | 16 3/4 | 3000 | 1 5/8 - 8 UN | 12.000 |
5 1/8 | 3000 | 1 1/4 - 8 UN | 8.000 | 21 1/4 | 2000 | 1 5/8 - 8 UN | 11.750 |
5 1/8 | 5000 | 1 1/2 - 8 UN | 10.250 | 20 3/4 | 3000 | 2-8 UN | 14.500 |
|
Flange Size and Pressure | Bolt Size and Thread | Tap End Length* | Nut End Length | Length** | Flange Size and Pressure | Bolt Size and Thread | Tap End Length* | Nut End Length | Length** | ||
---|---|---|---|---|---|---|---|---|---|---|---|
2 1/16 | 2000 | 5/8 - 11 UNC | 0.761 | 1.563 | 3.375 | 7 1/16 | 2000 | 1 - 8 UNC | 1.188 | 2.500 | 5.000 |
21/16 | 3000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.375 | 7 1/16 | 3000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.625 |
2 1/16 | 5000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.375 | 7 1/16 | 5000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 7.250 |
2 9/16 | 2000 | 3/4- 10 UNC | 0.900 | 1.875 | 3.750 | 9 | 2000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.625 |
2 9/16 | 3000 | 1 - 8 UNC | 1.188 | 2.500 | 4.750 | 9 | 3000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 6.375 |
2 9/16 | 5000 | 1 - 8 UNC | 1.188 | 2.500 | 4.750 | 9 | 5000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.1 25 |
3 1/8 | 2000 | 3/4- 10 UNC | 0.900 | 1.875 | 3.875 | 11 | 2000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.125 |
3 1/8 | 3000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.375 | 11 | 3000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 6.625 |
3 1/8 | 5000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.250 | 11 | 5000 | 1 7/8 - 8 UN | 2.063 | 4.688 | 9.250 |
4 1/16 | 2000 | 7/8 - 9 UNC | 1.042 | 2.188 | 4.375 | 13 5/8 | 2000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 6.250 |
41/16 | 3000 | 1 1/8 - 8 UN | 1.313 | 2.813 | 5.125 | 13 5/8 | 3000 | 1 3/8 - 8 UN | 1.563 | 3.438 | 7.000 |
4 1/16 | 5000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 5.750 | 16 3/4 | 2000 | 1 1/2 - 8 UN | 1.688 | 3.750 | 7.1 25 |
51/8 | 2000 | 1 - 8 UNC | 1.188 | 2.500 | 4.875 | 16 3/4 | 3000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.000 |
5 1/8 | 3000 | 1 1/4 - 8 UN | 1.438 | 3.1 25 | 5.625 | 21 1/4 | 2000 | 1 5/8 - 8 UN | 1.813 | 4.063 | 8.000 |
5 1/8 | 5000 | 1 1/2- 8 UN | 1.688 | 3.750 | 7.000 | 203/4 | 3000 | 2-8 UN | 2.188 | 5.000 | 9.625 |
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