Suspension Claw Manual
A manual suspension claw (or strut spreader/spring compressor) is a hand tool used to safely expand vehicle suspension strut forks or compress coil springs during disassembly and repairs
Description
Suspension Claw Manual
A manual suspension claw (or strut spreader/spring compressor) is a hand tool used to safely expand vehicle suspension strut forks or compress coil springs during disassembly and repairs
Key Design & Structural Features
- Parallel Pressure Surfaces: The expanding block or claw faces are precision-engineered to deploy completely parallel to one another. This distributes pressure evenly and drastically reduces the risk of the tool slipping, sliding, or accidentally ejecting under heavy tension.
- Heavy-Duty Construction: Typically built from drop-forged steel or premium Chrome Molybdenum (Cr-Mo) steel, allowing the compact tool to withstand immense expansion force (often rated for up to 60N or more / 1-tonne handling capacity) without flexing or snapping.
- Dual-Ended / Universal Range Layout: Many premium claw spreaders feature a double-ended or modular claw profile. This yields two distinct stepping ranges (e.g., 3.0mm–11.5mm and 5.0mm–11.5mm) to perfectly fit either upper split hubs or tight lower ball joint assemblies.
- Standard Hex & Square Drive Compatibility: The integrated drive fastener is usually formatted with an external 17mm hex and/or a 1/2-inch square drive socket. This ensures immediate compatibility with everyday workshop hand ratchets, breaker bars, and open-ended wrenches.
- High-Hardness Lead Screws: The internal threaded shaft undergoes strict heat-treatment hardening. This makes the threads wear-resistant and anti-slip, providing smooth, low-effort expansion or compression manual mechanics. [
Corrosion-Resistant Coating:
Coated with a protective black oxide or industrial chrome plate finish to repel workshop chemicals, grease, and rust
Specification
| Parameter | Standard Specification |
|---|---|
| Expansion / Spreading Range | 5.0 mm to 11.5 mm (0.197″ to 0.453″) |
| Drive Interface | External 17 mm Hexagon (some use 16 mm) or 3/8″ / 1/2″ Square Drive Socket |
| Expansion Force | Rated between 60N and 120N |
| Material Composition | Heat-treated 42CrMo Carbon Steel, Chrome Molybdenum (Cr-Mo), or Chrome Vanadium (CR-V) |
| Surface Treatment | Anti-rust Black Oxide, Phosphate, or Industrial Chrome plating |
| Tool Weight | ~0.15 kg to 0.39 kg (highly compact) |
| Dimensions | Approx. 56 mm x 38 mm (main body cylinder) |
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