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- Yoke "Type 231" Metric Thread Swivel Hoist Ring, Standard Length Bolt
Lifting Point Features
- Rotates through 360° and pivot 180°, and simultaneously allows lifting from any direction.
- Manufactured from forged alloy steel, quenched and tempered and tested in accordance with EN1677-1.
- Load rated parts are 100% magnaflux crack detected.
- Individual forged parts and cap screw are traceable to Test Certification.
- Bolt are Metric thread (ASME / ANSI B18.3.1M).
- Proof tested to 2.5 times the WLL.
- Fatigue rated to 20,000 cycles at 1.5 times the WLL.
- All YOKE Lifting points meet or exceed all the requirements of ASME B30.26.
- Quick and simple assembly, just a tapped hole is required.
- Design Factor 4 : 1
- RFID chip fitted as standard which gives direct access to the original user instructions and Declaration of Conformity.
Dimensions & Specifications
Part Code | WLL (t) - 4:1 | Thread - M | Thread Length - E (mm) | Thread Pitch DIN13 | A (mm) | B (mm) | C (mm) | D (mm) | F (mm) | G (mm) | R (mm) | SW (mm) | I (mm) | Torque (Nm) | Mass (Kg) |
8-231-005 | 0.5 | M8 | 12 | 1.25 | 33 | 42 | 28 | 11 | 80 | 58 | 17 | 13 | 44 | 30 | 0.2 |
8-231-007 | 0.7 | M10 | 15 | 1.5 | 33 | 41 | 29 | 11 | 80 | 58 | 17 | 17 | 44 | 60 | 0.3 |
8-231-010 | 1 | M12 | 20 | 1.75 | 33 | 39 | 31 | 11 | 80 | 58 | 17 | 19 | 44 | 100 | 0.3 |
8-231-015 | 1.5 | M14 | 21 | 2 | 50 | 56 | 45 | 17 | 116 | 90 | 27 | 22 | 63 | 120 | 0.9 |
8-231-020 | 2 | M16 | 24 | 2 | 50 | 54 | 46 | 17 | 116 | 90 | 27 | 24 | 63 | 150 | 0.9 |
8-231-025 | 2.5 | M18 | 27 | 2.5 | 65 | 77 | 57 | 20 | 155 | 108 | 34 | 30 | 86 | 200 | 1.9 |
8-231-030 | 3 | M20 | 34 | 2.5 | 51 | 52 | 49 | 17 | 116 | 90 | 27 | 30 | 63 | 250 | 1.1 |
8-231-050 | 5 | M24 | 36 | 3 | 72 | 81 | 59 | 25 | 163 | 126 | 37 | 36 | 88 | 400 | 2.7 |
8-231-056 | 5.6 | M27 | 38 | 3 | 87 | 96 | 79 | 30 | 204 | 148 | 46 | 41 | 110 | 400 | 4.7 |
8-231-078 | 7.8 | M30 | 48 | 3.5 | 87 | 94 | 81 | 30 | 204 | 148 | 46 | 46 | 110 | 500 | 5.1 |
8-231-100 | 10 | M36 | 54 | 4 | 87 | 90 | 85 | 30 | 204 | 148 | 46 | 55 | 110 | 1000 | 5.6 |
8-231-125 | 12.5 | M36 | 56 | 4 | 110 | 112 | 98 | 36 | 248 | 188 | 57 | 55 | 128 | 1000 | 10.2 |
8-231-156 | 15.6 | M42 | 63 | 4.5 | 110 | 101 | 108 | 36 | 248 | 188 | 57 | 65 | 128 | 1500 | 10.6 |
8-231-200 | 20 | M48 | 72 | 5 | 110 | 97 | 112 | 36 | 248 | 188 | 57 | 75 | 128 | 2000 | 12 |
8-231-220 | 22 | M56 | 84 | 5.5 | 123 | 116 | 121 | 36 | 274 | 202 | 64 | 85 | 146 | 2100 | 14.3 |
8-231-225 | 22.5 | M64 | 100 | 6 | 123 | 111 | 126 | 36 | 274 | 202 | 64 | 95 | 146 | 2200 | 16.6 |

Load Chart
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Number of legs | 1 | 2 | 1 | 2 | 2 | 2 | 3-4 | 3-4 | ||
Load Direction | 0° | 0° | 90° | 90° | 0-45° | 45-60° | unsymm. | 0-45° | 45-60° | unsymm. |
Thread | WLL tonnes | |||||||||
M8 | 0.8 | 1.6 | 0.5 | 1 | 0.7 | 0.5 | 0.5 | 1.1 | 0.8 | 0.5 |
M10 | 1.2 | 2.4 | 0.7 | 1.4 | 1 | 0.7 | 0.7 | 1.5 | 1.1 | 0.7 |
M12 | 2 | 4 | 1 | 2 | 1.4 | 1 | 1 | 2.1 | 1.5 | 1 |
M14 | 2.4 | 4.8 | 1.5 | 3 | 2.1 | 1.5 | 1.5 | 3.2 | 2.3 | 1.5 |
M16 | 3.2 | 6.4 | 2 | 4 | 2.8 | 2 | 2 | 4.2 | 3 | 2 |
M18 | 5 | 10 | 2.5 | 5 | 3.5 | 2.5 | 2.5 | 5.3 | 3.8 | 2.5 |
M20 | 4.5 | 9 | 3 | 6 | 4.2 | 3 | 3 | 6.3 | 4.5 | 3 |
M24 | 9 | 18 | 5 | 10 | 7 | 5 | 5 | 10.5 | 7.5 | 5 |
M27 | 9.5 | 19 | 5.6 | 11.2 | 7.8 | 5.6 | 5.6 | 11.8 | 8.4 | 5.6 |
M30 | 12 | 24 | 7.8 | 15.6 | 10.9 | 7.8 | 7.8 | 16.4 | 11.7 | 7.8 |
M36 | 14 | 28 | 12.5 | 25 | 17.5 | 12.5 | 12.5 | 26.3 | 18.8 | 12.5 |
M42 | 16 | 32 | 15.6 | 31.2 | 21.8 | 15.6 | 15.6 | 32.8 | 23.4 | 15.6 |
M48 | 20 | 40 | 20 | 40 | 28 | 20 | 20 | 42 | 30 | 20 |
M56 | 22 | 44 | 22 | 44 | 30.8 | 22 | 22 | 46.2 | 33 | 22 |
M64 | 22.5 | 45 | 22.5 | 45 | 31.5 | 22.5 | 22.5 | 47.25 | 33.75 | 22.5 |
Lifting Point Features
- Rotates through 360° and pivot 180°, and simultaneously allows lifting from any direction.
- Manufactured from forged alloy steel, quenched and tempered and tested in accordance with EN1677-1.
- Load rated parts are 100% magnaflux crack detected.
- Individual forged parts and cap screw are traceable to Test Certification.
- Bolt are Metric thread (ASME / ANSI B18.3.1M).
- Proof tested to 2.5 times the WLL.
- Fatigue rated to 20,000 cycles at 1.5 times the WLL.
- All YOKE Lifting points meet or exceed all the requirements of ASME B30.26.
- Quick and simple assembly, just a tapped hole is required.
- Design Factor 4 : 1
- RFID chip fitted as standard which gives direct access to the original user instructions and Declaration of Conformity.
Dimensions & Specifications
Part Code | WLL (t) - 4:1 | Thread - M | Thread Length - E (mm) | Thread Pitch DIN13 | A (mm) | B (mm) | C (mm) | D (mm) | F (mm) | G (mm) | R (mm) | SW (mm) | I (mm) | Torque (Nm) | Mass (Kg) |
8-231-005 | 0.5 | M8 | 12 | 1.25 | 33 | 42 | 28 | 11 | 80 | 58 | 17 | 13 | 44 | 30 | 0.2 |
8-231-007 | 0.7 | M10 | 15 | 1.5 | 33 | 41 | 29 | 11 | 80 | 58 | 17 | 17 | 44 | 60 | 0.3 |
8-231-010 | 1 | M12 | 20 | 1.75 | 33 | 39 | 31 | 11 | 80 | 58 | 17 | 19 | 44 | 100 | 0.3 |
8-231-015 | 1.5 | M14 | 21 | 2 | 50 | 56 | 45 | 17 | 116 | 90 | 27 | 22 | 63 | 120 | 0.9 |
8-231-020 | 2 | M16 | 24 | 2 | 50 | 54 | 46 | 17 | 116 | 90 | 27 | 24 | 63 | 150 | 0.9 |
8-231-025 | 2.5 | M18 | 27 | 2.5 | 65 | 77 | 57 | 20 | 155 | 108 | 34 | 30 | 86 | 200 | 1.9 |
8-231-030 | 3 | M20 | 34 | 2.5 | 51 | 52 | 49 | 17 | 116 | 90 | 27 | 30 | 63 | 250 | 1.1 |
8-231-050 | 5 | M24 | 36 | 3 | 72 | 81 | 59 | 25 | 163 | 126 | 37 | 36 | 88 | 400 | 2.7 |
8-231-056 | 5.6 | M27 | 38 | 3 | 87 | 96 | 79 | 30 | 204 | 148 | 46 | 41 | 110 | 400 | 4.7 |
8-231-078 | 7.8 | M30 | 48 | 3.5 | 87 | 94 | 81 | 30 | 204 | 148 | 46 | 46 | 110 | 500 | 5.1 |
8-231-100 | 10 | M36 | 54 | 4 | 87 | 90 | 85 | 30 | 204 | 148 | 46 | 55 | 110 | 1000 | 5.6 |
8-231-125 | 12.5 | M36 | 56 | 4 | 110 | 112 | 98 | 36 | 248 | 188 | 57 | 55 | 128 | 1000 | 10.2 |
8-231-156 | 15.6 | M42 | 63 | 4.5 | 110 | 101 | 108 | 36 | 248 | 188 | 57 | 65 | 128 | 1500 | 10.6 |
8-231-200 | 20 | M48 | 72 | 5 | 110 | 97 | 112 | 36 | 248 | 188 | 57 | 75 | 128 | 2000 | 12 |
8-231-220 | 22 | M56 | 84 | 5.5 | 123 | 116 | 121 | 36 | 274 | 202 | 64 | 85 | 146 | 2100 | 14.3 |
8-231-225 | 22.5 | M64 | 100 | 6 | 123 | 111 | 126 | 36 | 274 | 202 | 64 | 95 | 146 | 2200 | 16.6 |

Load Chart
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![]() |
![]() |
![]() |
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|||
Number of legs | 1 | 2 | 1 | 2 | 2 | 2 | 3-4 | 3-4 | ||
Load Direction | 0° | 0° | 90° | 90° | 0-45° | 45-60° | unsymm. | 0-45° | 45-60° | unsymm. |
Thread | WLL tonnes | |||||||||
M8 | 0.8 | 1.6 | 0.5 | 1 | 0.7 | 0.5 | 0.5 | 1.1 | 0.8 | 0.5 |
M10 | 1.2 | 2.4 | 0.7 | 1.4 | 1 | 0.7 | 0.7 | 1.5 | 1.1 | 0.7 |
M12 | 2 | 4 | 1 | 2 | 1.4 | 1 | 1 | 2.1 | 1.5 | 1 |
M14 | 2.4 | 4.8 | 1.5 | 3 | 2.1 | 1.5 | 1.5 | 3.2 | 2.3 | 1.5 |
M16 | 3.2 | 6.4 | 2 | 4 | 2.8 | 2 | 2 | 4.2 | 3 | 2 |
M18 | 5 | 10 | 2.5 | 5 | 3.5 | 2.5 | 2.5 | 5.3 | 3.8 | 2.5 |
M20 | 4.5 | 9 | 3 | 6 | 4.2 | 3 | 3 | 6.3 | 4.5 | 3 |
M24 | 9 | 18 | 5 | 10 | 7 | 5 | 5 | 10.5 | 7.5 | 5 |
M27 | 9.5 | 19 | 5.6 | 11.2 | 7.8 | 5.6 | 5.6 | 11.8 | 8.4 | 5.6 |
M30 | 12 | 24 | 7.8 | 15.6 | 10.9 | 7.8 | 7.8 | 16.4 | 11.7 | 7.8 |
M36 | 14 | 28 | 12.5 | 25 | 17.5 | 12.5 | 12.5 | 26.3 | 18.8 | 12.5 |
M42 | 16 | 32 | 15.6 | 31.2 | 21.8 | 15.6 | 15.6 | 32.8 | 23.4 | 15.6 |
M48 | 20 | 40 | 20 | 40 | 28 | 20 | 20 | 42 | 30 | 20 |
M56 | 22 | 44 | 22 | 44 | 30.8 | 22 | 22 | 46.2 | 33 | 22 |
M64 | 22.5 | 45 | 22.5 | 45 | 31.5 | 22.5 | 22.5 | 47.25 | 33.75 | 22.5 |
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Regarding: Yoke "Type 231" Metric Thread Swivel Hoist Ring, Standard Length Bolt
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