7pc Flare Nut Spanner Set 8-24mm - Tooltime - SP199-247
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Product Information
Full details
The Tooltime 7-Piece Flare Nut Spanner Set is an essential tool kit for automotive technicians and DIY mechanics who frequently work with brake lines, fuel systems, or hydraulic fittings. Designed to prevent rounding off soft compression nuts, this set provides a superior 6-point grip compared to standard open-ended wrenches, though users should note that the specialized heads require sufficient clearance around the fitting to engage properly.
All features
| Model Part Number | SP199-247 |
|---|---|
| Brand | Tooltime |
Extended Product Information
FAQs
What sizes are included in the set?
The set includes 8x9mm, 10x11mm, 12x13mm, 14x15mm, 16x17mm, 19x21mm, and 22x24mm.
Can I use these on standard hex bolts?
While they will grip hex bolts, they are designed specifically for flare nuts on pipes and may not perform as well as a dedicated 6-point box-end wrench for standard bolts.
What is the material composition?
The tools are manufactured from heat-treated chrome vanadium steel with a nickel-plated finish.
Is a storage case included?
Yes, the set comes with a convenient roll-up storage wallet.
Are these tools suitable for professional use?
Yes, they are designed for professional automotive and industrial repair tasks.
Do these provide a better grip than a standard wrench?
Yes, the 6-point design grips all sides of the nut, significantly reducing the chance of slipping or rounding.
Troubleshooting
The spanner will not fit onto the nut
Ensure the pipe is aligned with the opening in the head and check that the nut size matches the spanner marking.
Spanner feels loose on the nut
Verify the nut has not already been rounded by a previous tool; if rounded, use a specialized nut extractor instead.
Tool is showing signs of surface rust
Wipe with an oily rag after each use and ensure they are stored in a dry environment.
Pros and Cons
Pros
- Significantly reduces the risk of rounding off brake and fuel line nuts
- High-strength chrome vanadium steel withstands high torque
- Broad range of metric sizes covers most common hydraulic and automotive fittings
- Nickel plating resists corrosion and simplifies cleaning
- Included roll-up wallet keeps the set organized and portable
Cons
- Requires more lateral clearance around the nut compared to a standard wrench
- Not suitable for extremely tight spaces where there is no room to slide the spanner over the pipe
- Does not replace a standard wrench for non-pipe applications
Setup, Compatibility & Care
To ensure the longevity of your Tooltime spanner set, always clean the tool heads of grit or debris after use, as foreign matter can prevent a proper fit on the nut. Since these are high-torque tools, avoid using cheater bars or extensions, as this can stress the open-jaw design.
Store the spanners in the provided roll-up wallet in a dry location to prevent moisture buildup. The set is compatible with standard metric flare nuts commonly found on domestic and imported vehicles, as well as industrial piping systems. If you encounter a fitting covered in heavy undercoating or rust, use a wire brush to clean the nut flats before applying the spanner to ensure full engagement.