Facom Slim Metric Combination Spanner - 40B.5 - 5mm

The Facom 40B Series Slim Metric Combination Spanners feature a 12-point OGV profile that provides...

Best current price£4.76from Power Tools Direct

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Power Tools DirectFacom 40B.5 40B.5 Slim Metric Combination Spanner 5Mm
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£4.76
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Blueperry agriculture (UK)Facom 40B.5 Slim Metric Combination Spanner 5 Mm 40B.5
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£5.78
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The RangeFacom , 40B.5, Slim Metric Combination Spanner, 5Mm, Chrome - Silver
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£9.23
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eBayFacom Slim Metric Combination Spanner 5mm - 40B.5
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£9.43
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B&QB&Q - 40B.5 40B.5 Slim Metric Combination Spanner 5mm Fcm40B5
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£9.52
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Product Information

Full details

The Facom 40B Series 5mm Slim Metric Combination Spanner is designed for professional mechanics and dedicated DIY enthusiasts who require precision in tight, restricted spaces. Its primary benefit is the combination of an optimized OGV profile for superior torque transmission and a slim, low-profile design that reaches fasteners inaccessible to standard wrenches. While it offers exceptional access, users should note that the slim profile is specifically engineered for confined areas and may require a larger handle for high-torque applications where extreme force is necessary.

All features

Model Part Number40B.5
BrandFacom

Extended Product Information

FAQs

Is this tool suitable for professional automotive use?

Yes, Facom tools are engineered for high-demand professional environments and provide excellent durability for automotive tasks.

What is the OGV profile?

The OGV profile is a specialized 12-point design that shifts the pressure from the corners of the nut to the flat sides, preventing slipping and rounding.

Can I use this for high-torque applications?

While durable, the 40B.5 is a slim-profile 5mm wrench; it is designed for precision rather than breaking free extremely tight or seized heavy-duty bolts.

How do I clean the spanner?

Use a clean, dry cloth to remove debris. If the tool is coated in oil or grease, a mild degreaser and a damp cloth are sufficient.

What is the benefit of the 15-degree offset?

The offset provides space for your knuckles, preventing them from hitting the work surface and allowing for a safer grip during rotation.

Troubleshooting

Wrench slipping off the fastener

Ensure the fastener head is not stripped and the spanner is fully seated on the nut before applying pressure.

Tool feeling loose on the nut

Verify that the fastener size is exactly 5mm, as standard-sized fasteners may vary slightly due to wear or manufacturing tolerances.

Pros and Cons

Pros

  • Superior grip and torque transmission via OGV profile
  • Slim design perfect for restricted access areas
  • High corrosion resistance from the matt chrome finish
  • Offset ring head protects fingers during use

Cons

  • Slim profile may feel less ergonomic for long-duration high-torque tasks
  • 5mm size is specialized for small electronics or precision instruments
  • Not suitable for heavy-duty loosening of seized, large-diameter fasteners

Setup, Compatibility & Care

This spanner is compatible with standard 5mm metric hex fasteners. No specific setup is required; simply match the tool size to the hardware. To ensure long-term performance, wipe the tool clean of oils and debris after each use to maintain the effectiveness of the matt chrome finish. While the tool is highly resistant to corrosion, avoid storing it in standing water or highly acidic environments to prevent potential surface pitting. Periodic inspection for metal fatigue or deformation is recommended for safety, especially after heavy usage.

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