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- William Hackett WH-HSB Snatch Block with Shackle
WH-HSB Snatch Blocks: H29 Type with Shackle
The WH-HSB snatch block with shackle is a purpose-engineered pulley designed to provide mechanical advantage in rope and cable applications. It is equipped with tapered roller bearings to ensure a smooth, controlled pull under load. As standard, the unit is supplied with a captive shackle featuring a generously sized bow, allowing for straightforward and secure connection to rigging anchor points.
Key Features: WH-HSB
- WLL Range: 2.0t to 22.0t
- Proof Load Test: 1.5 x WLL
- Safety Factor: 4 : 1
- Temp Range: -20°C to +200°C
Snatch Block Specifications
- Standards: designed and manufactured in accordance with ASME B30.26, EN13157:2004+A1:2009, and AS2089:2008.
- Product sizes: available for wire rope diameters from 8mm up to 32mm or 5/16" up to 1-1/4" and working load limits from 2.0 tonnes to 22.0 tonnes.
- Material: manufactured from high tensile alloy steel.
- Maintenance: built-in grease nozzle for easy maintenance and enhanced operational performance.
- Temperature: - 20°C to + 200°C (-4°F to +392°F) without reduction in working load limit.
- Testing: proof load tested to 1.5 times the working load limit (WLL).
- Safety factor: 4:1.
Technical Information for HSB Series Blocks: Metric
| Part Code | WLL | Wire Rope Dia. (mm) | Sheave Dia. (mm) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | G (mm) | H (mm) | Weight (kg) |
| 8-H29-02 | 2 tonne | 8-10 | 75.0 | 96 | 42 | 48.5 | 289 | 82 | 58 | 82 | 16 | 3.8 |
| 8-H29-04 | 4 tonne | 10-13 | 115.0 | 102 | 58 | 72 | 363 | 120 | 90 | 84.5 | 22 | 6.2 |
| 8-H29-08 | 8 tonne | 14-16 | 150.0 | 116 | 68 | 83 | 480.5 | 160 | 120 | 116 | 25 | 14.1 |
| 8-H29-0808 | 8 tonnes | 19-22 | 200.0 | 116 | 68 | 83 | 528.5 | 210 | 165 | 114 | 25 | 18.7 |
| 8-H29-12 | 12 tonnes | 19-22 | 150.0 | 147 | 83 | 95 | 551 | 160 | 120 | 115 | 35 | 22 |
| 8-H29-15 | 15 tonne | 19-22 | 200.0 | 175 | 99 | 125 | 665 | 210 | 160 | 132 | 38 | 37 |
| 8-H29-1510 | 15 tonnes | 24-26 | 250.0 | 175 | 99 | 125 | 723 | 260 | 206 | 156.5 | 38 | 45 |
| 8-H29-22 | 22 tonne | 28-32 | 200.0 | 216 | 127 | 157.5 | 800 | 210 | 145 | 172.5 | 45 | 50 |
| 8-H29-2210 | 22 tonnes | 28-32 | 250.0 | 216 | 127 | 157.5 | 862 | 260 | 195 | 172.5 | 45 | 68 |
| 8-H29-2212 | 22 tonnes | 28-32 | 300.0 | 216 | 127 | 157.5 | 893 | 315 | 245 | 172.5 | 45 | 80 |
Technical Information for HSB Series Blocks: Imperial
| Part Code | WLL | Wire Rope Dia. (inch) | Sheave Dia. (inch) | A (inch) | B (inch) | C (inch) | D (inch) | E (inch) | F (inch) | G (inch) | H (inch) | Mass (lbs) |
| 8-H29-02 | 2 Ton | 5/16 - 3/8 | 3.00 | 3.78 | 1.65 | 1.91 | 11.38 | 3.23 | 2.28 | 3.23 | 0.63 | 8.38 |
| 8-H29-04 | 4 Ton | 3/8 - 1/2 | 4.50 | 4.02 | 2.28 | 2.83 | 14.29 | 4.72 | 3.54 | 3.33 | 0.87 | 13.67 |
| 8-H29-08 | 8 Ton | 9/16 - 5/8 | 6.00 | 4.57 | 2.68 | 3.27 | 18.92 | 6.3 | 4.72 | 4.57 | 0.98 | 31.09 |
| 8-H29-0808 | 8 Tons | 3/4 - 7/8 | 8.00 | 4.57 | 2.68 | 3.27 | 20.81 | 8.27 | 6.5 | 4.49 | 0.98 | 41.23 |
| 8-H29-12 | 12 Ton | 3/4 - 7/8 | 6.00 | 5.79 | 3.27 | 3.74 | 21.69 | 6.3 | 4.72 | 4.53 | 1.38 | 48.5 |
| 8-H29-15 | 15 Ton | 3/4 - 7/8 | 8.00 | 6.89 | 3.90 | 4.92 | 26.18 | 8.27 | 6.3 | 5.2 | 1.5 | 81.57 |
| 8-H29-1510 | 15 Tons | 1 | 10.00 | 6.89 | 3.90 | 4.92 | 28.46 | 10.24 | 8.11 | 6.16 | 1.5 | 99.21 |
| 8-H29-22 | 22 Ton | 1-1/8 - 1-1/4 | 8.00 | 8.5 | 5.0 | 6.2 | 31.5 | 8.27 | 5.71 | 6.79 | 1.77 | 110.23 |
| 8-H29-2210 | 22 Tons | 1-1/8 - 1-1/4 | 10.00 | 8.5 | 5.0 | 6.2 | 33.94 | 10.24 | 7.68 | 6.79 | 1.77 | 149.91 |
| 8-H29-2212 | 22 Tons | 1-1/8 - 1-1/4 | 12.00 | 8.5 | 5.0 | 6.2 | 35.16 | 12.4 | 9.65 | 6.79 | 1.77 | 176.37 |

Testing and Independent Verification

Each WH-HSB snatch block undergoes comprehensive testing and stringent quality assurance procedures. All testing has been independently witnessed and validated by Apave TIV UK Limited. This third-party assessment included proof load testing in accordance with EN 13157:2004+A1:2009, dimensional inspection before and after proof load testing, and minimum breaking load verification - conducted at four times the working load limit under a static load for a duration of 10 minutes.
Grease Nipple

The WH-HSB snatch block is fitted with a grease nipple, enabling supplementary lubrication to be applied directly to the bearing system. This feature promotes efficient operation through reduced friction, supports smooth performance, and minimises maintenance requirements.
Labels

Each snatch block is supplied with two identification labels. The first displays the serial number, working load limit, and compatible wire rope diameter. The second provides operating instructions and digital access to the snatch block's safe-use guidance.
WH-HSB Snatch Blocks: H29 Type with Shackle
The WH-HSB snatch block with shackle is a purpose-engineered pulley designed to provide mechanical advantage in rope and cable applications. It is equipped with tapered roller bearings to ensure a smooth, controlled pull under load. As standard, the unit is supplied with a captive shackle featuring a generously sized bow, allowing for straightforward and secure connection to rigging anchor points.
Key Features: WH-HSB
- WLL Range: 2.0t to 22.0t
- Proof Load Test: 1.5 x WLL
- Safety Factor: 4 : 1
- Temp Range: -20°C to +200°C
Snatch Block Specifications
- Standards: designed and manufactured in accordance with ASME B30.26, EN13157:2004+A1:2009, and AS2089:2008.
- Product sizes: available for wire rope diameters from 8mm up to 32mm or 5/16" up to 1-1/4" and working load limits from 2.0 tonnes to 22.0 tonnes.
- Material: manufactured from high tensile alloy steel.
- Maintenance: built-in grease nozzle for easy maintenance and enhanced operational performance.
- Temperature: - 20°C to + 200°C (-4°F to +392°F) without reduction in working load limit.
- Testing: proof load tested to 1.5 times the working load limit (WLL).
- Safety factor: 4:1.
Technical Information for HSB Series Blocks: Metric
| Part Code | WLL | Wire Rope Dia. (mm) | Sheave Dia. (mm) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | G (mm) | H (mm) | Weight (kg) |
| 8-H29-02 | 2 tonne | 8-10 | 75.0 | 96 | 42 | 48.5 | 289 | 82 | 58 | 82 | 16 | 3.8 |
| 8-H29-04 | 4 tonne | 10-13 | 115.0 | 102 | 58 | 72 | 363 | 120 | 90 | 84.5 | 22 | 6.2 |
| 8-H29-08 | 8 tonne | 14-16 | 150.0 | 116 | 68 | 83 | 480.5 | 160 | 120 | 116 | 25 | 14.1 |
| 8-H29-0808 | 8 tonnes | 19-22 | 200.0 | 116 | 68 | 83 | 528.5 | 210 | 165 | 114 | 25 | 18.7 |
| 8-H29-12 | 12 tonnes | 19-22 | 150.0 | 147 | 83 | 95 | 551 | 160 | 120 | 115 | 35 | 22 |
| 8-H29-15 | 15 tonne | 19-22 | 200.0 | 175 | 99 | 125 | 665 | 210 | 160 | 132 | 38 | 37 |
| 8-H29-1510 | 15 tonnes | 24-26 | 250.0 | 175 | 99 | 125 | 723 | 260 | 206 | 156.5 | 38 | 45 |
| 8-H29-22 | 22 tonne | 28-32 | 200.0 | 216 | 127 | 157.5 | 800 | 210 | 145 | 172.5 | 45 | 50 |
| 8-H29-2210 | 22 tonnes | 28-32 | 250.0 | 216 | 127 | 157.5 | 862 | 260 | 195 | 172.5 | 45 | 68 |
| 8-H29-2212 | 22 tonnes | 28-32 | 300.0 | 216 | 127 | 157.5 | 893 | 315 | 245 | 172.5 | 45 | 80 |
Technical Information for HSB Series Blocks: Imperial
| Part Code | WLL | Wire Rope Dia. (inch) | Sheave Dia. (inch) | A (inch) | B (inch) | C (inch) | D (inch) | E (inch) | F (inch) | G (inch) | H (inch) | Mass (lbs) |
| 8-H29-02 | 2 Ton | 5/16 - 3/8 | 3.00 | 3.78 | 1.65 | 1.91 | 11.38 | 3.23 | 2.28 | 3.23 | 0.63 | 8.38 |
| 8-H29-04 | 4 Ton | 3/8 - 1/2 | 4.50 | 4.02 | 2.28 | 2.83 | 14.29 | 4.72 | 3.54 | 3.33 | 0.87 | 13.67 |
| 8-H29-08 | 8 Ton | 9/16 - 5/8 | 6.00 | 4.57 | 2.68 | 3.27 | 18.92 | 6.3 | 4.72 | 4.57 | 0.98 | 31.09 |
| 8-H29-0808 | 8 Tons | 3/4 - 7/8 | 8.00 | 4.57 | 2.68 | 3.27 | 20.81 | 8.27 | 6.5 | 4.49 | 0.98 | 41.23 |
| 8-H29-12 | 12 Ton | 3/4 - 7/8 | 6.00 | 5.79 | 3.27 | 3.74 | 21.69 | 6.3 | 4.72 | 4.53 | 1.38 | 48.5 |
| 8-H29-15 | 15 Ton | 3/4 - 7/8 | 8.00 | 6.89 | 3.90 | 4.92 | 26.18 | 8.27 | 6.3 | 5.2 | 1.5 | 81.57 |
| 8-H29-1510 | 15 Tons | 1 | 10.00 | 6.89 | 3.90 | 4.92 | 28.46 | 10.24 | 8.11 | 6.16 | 1.5 | 99.21 |
| 8-H29-22 | 22 Ton | 1-1/8 - 1-1/4 | 8.00 | 8.5 | 5.0 | 6.2 | 31.5 | 8.27 | 5.71 | 6.79 | 1.77 | 110.23 |
| 8-H29-2210 | 22 Tons | 1-1/8 - 1-1/4 | 10.00 | 8.5 | 5.0 | 6.2 | 33.94 | 10.24 | 7.68 | 6.79 | 1.77 | 149.91 |
| 8-H29-2212 | 22 Tons | 1-1/8 - 1-1/4 | 12.00 | 8.5 | 5.0 | 6.2 | 35.16 | 12.4 | 9.65 | 6.79 | 1.77 | 176.37 |

Testing and Independent Verification

Each WH-HSB snatch block undergoes comprehensive testing and stringent quality assurance procedures. All testing has been independently witnessed and validated by Apave TIV UK Limited. This third-party assessment included proof load testing in accordance with EN 13157:2004+A1:2009, dimensional inspection before and after proof load testing, and minimum breaking load verification - conducted at four times the working load limit under a static load for a duration of 10 minutes.
Grease Nipple

The WH-HSB snatch block is fitted with a grease nipple, enabling supplementary lubrication to be applied directly to the bearing system. This feature promotes efficient operation through reduced friction, supports smooth performance, and minimises maintenance requirements.
Labels

Each snatch block is supplied with two identification labels. The first displays the serial number, working load limit, and compatible wire rope diameter. The second provides operating instructions and digital access to the snatch block's safe-use guidance.
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