Facom Half Moon Ring Spanner - 13 x 15mm
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eBayFacom 57.13x15 Half Moon (Crescent) Curved Spanner Wrench 13 x 15mm
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£26.90
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Facom 57.19x22 Half Moon (Crescent) Curved Spanner Wrench 19 x 22mmFree delivery in 1–3 days£34.90Visit shop →
Blueperry agriculture (UK)Facom Half Moon Ring Spanner 13X15mm, 5713X15
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£38.16
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Product Information
Full details
The Facom 57.13X15 Half Moon Ring Spanner is an essential tool for automotive technicians and industrial mechanics who regularly work on fasteners in tight, obstructed engine bays or confined machinery compartments. Its specialized crescent shape allows for a greater swing arc in spaces where traditional straight wrenches are physically blocked, significantly increasing productivity; however, because of its curved geometry, users should note that it provides less direct leverage compared to a standard straight ring wrench.
All features
| Model Part Number | 57.13X15 |
|---|---|
| Brand | Facom |
Extended Product Information
FAQs
What is the primary advantage of a half-moon spanner?
The primary advantage is its ability to bypass obstructions that would normally prevent a straight wrench from engaging with a fastener.
Is this tool suitable for heavy-duty industrial use?
Yes, Facom tools are engineered to meet professional industrial standards for durability and high-torque applications.
Can I use a cheater bar with this wrench?
It is not recommended to use a cheater bar, as the specific crescent shape is not designed to handle the amplified forces and may deform.
How do I maintain the satin chrome finish?
Simply wipe with a clean cloth after use to remove corrosive oils or fluids. Store in a dry environment.
Is this tool available in other sizes?
Yes, Facom produces a range of these spanners, such as the 57.19X22 variant for larger fastener requirements.
Troubleshooting
Wrench is slipping on the fastener
Ensure the ring end is pressed fully onto the fastener head and is not catching on the edge of the nut.
Difficult to achieve initial torque on a stuck bolt
Use the spanner to break the bolt free, but if significant force is needed, ensure the tool is positioned to avoid 'cam-out' caused by the curved geometry.
Pros and Cons
Pros
- Ideal for tight, restricted spaces
- High-quality, durable satin chrome finish
- Dual-ended versatility for 13mm and 15mm nuts
- Excellent build quality for professional longevity
Cons
- Less torque potential than straight wrenches
- Limited to specific fastener sizes
- Shape may feel awkward to users accustomed to straight patterns
Setup, Compatibility & Care
This spanner does not require setup; it is a fixed-geometry tool ready for immediate use. To ensure long-term performance, wipe the tool down with a clean, oily cloth after use to remove grease and debris, which maintains the satin chrome finish and prevents premature surface oxidation. Store the tool in a foam tray or tool shadow board to prevent the crescent shape from becoming snagged or distorted in a cluttered drawer. It is compatible with all standard 13mm and 15mm metric hex fasteners found in industrial and automotive applications.