Top Metric Socket Sets for Every Mechanic and DIYer
For most home mechanics, the TEKTON 3/8 Inch Drive Metric Socket Set offers the best combination of completeness and quality at a fair price. Its 6-point sockets grip fasteners securely and resist rounding, and the set includes both shallow and deep sockets plus a ratchet and extensions. The main limitation is that it lacks 1/2 inch drive sockets for larger fasteners.
Working on cars, bikes, or appliances often requires metric fasteners. A good metric socket set saves time and prevents damage to bolts and nuts.
We compared seven popular sets to help you pick the right one. Consider the drive sizes you need, the range of sockets, and the quality of the ratchet.
The top picks, ranked
TEKTON 3/8 Inch Drive Metric Socket Set, 6-Point, 46-Piece
This set covers most metric sizes from 6 to 24 mm in both shallow and deep profiles. The 6-point design grips fastener heads fully to reduce rounding. The ratchet has a comfortable handle and a 72-tooth mechanism for a fine 5 degree swing arc.
Pros
- Complete range for most tasks
- 6-point sockets reduce rounding
- Laser-etched markings that won’t fade
Cons
- No 1/2 inch drive for large fasteners
- Case is a bit bulky
GearWrench 3/8 Inch Drive 6 Point Metric Socket Set, 38 Piece
GearWrench is known for quality tools. This set includes 38 sockets plus a ratchet that has a 90-tooth design for a 4 degree swing. The sockets have a full polish chrome finish that resists corrosion and is easy to wipe clean.
Pros
- High quality chrome finish
- 90-tooth ratchet with fine action
- Compact and durable storage tray
Cons
- No deep sockets
- Limited to 19 mm maximum
SUNEX TOOLS 1/2 Inch Drive Metric Socket Set, 42 Piece
This set from Sunex provides 1/2 inch drive sockets from 10 to 24 mm, perfect for suspension and engine work. The sockets are forged from chrome vanadium steel and have a satin finish that resists rust. The ratchet has a 72-tooth gear.
Pros
- Large socket range for heavy duty
- Durable construction
- Good value for the price
Cons
- No shallow sockets (all deep)
- Case may be flimsy
Neiko 10082A 3/8 Inch Drive Metric Socket Set, 62 Piece
Neiko offers a massive 62 piece set that includes both 6-point and 12-point sockets in shallow and deep lengths. It also includes a ratchet, extensions, a universal joint, and a spark plug socket. The price is very low, making it a great starter set.
Pros
- Large number of sockets
- Very affordable
- Both shallow and deep sizes
Cons
- Quality control can be spotty
- 12-point sockets can slip on rounded bolts
CRAFTSMAN Metric Socket Set, 3/8 Inch Drive, 40 Piece
Craftsman tools are a staple in American garages. This set includes 40 pieces with both shallow and deep sockets. The ratchet has a 72-tooth gear and a comfortable grip. Craftsman offers a full lifetime warranty, which adds peace of mind.
Pros
- Lifetime warranty
- Trusted brand
- Full polish chrome finish
Cons
- Not the largest range
- Sockets are not as thick as professional brands
DEWALT 3/8 Inch Drive Metric Socket Set, 90 Tooth, 46 Piece
DeWalt’s set features a 90-tooth ratchet with a slim profile that fits into tight spaces. The sockets are constructed from drop forged steel and have a rust resistant coating. The set comes in a sturdy storage case.
Pros
- 90-tooth ratchet for tight spaces
- Durable construction
- Wide range of sockets
Cons
- Slightly heavier than others
- Case latch can be stiff
EPAuto 1/4 Inch Drive Metric Socket Set, 40 Piece
This EPAuto set is ideal for electronics, small engines, and bicycles. It includes sockets from 4 to 14 mm in shallow and deep sizes. The ratchet is compact and has a 72-tooth gear. The set is very affordable and comes with a blow molded case.
Pros
- Great for small fasteners
- Includes both shallow and deep
- Very low price
Cons
- Not suitable for heavy duty work
- Sockets may wear over time
What to look for
Compared at a glance
| # | Model | Drive sizes | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | TEKTON 3/8 Inch Drive Metric Socket Set, 6-Point, 46-Piece | 3/8 inch | Home mechanics seeking a complete mid-size set | 9.4 | Check price |
| 2 | GearWrench 3/8 Inch Drive 6 Point Metric Socket Set, 38 Piece | 3/8 inch | Professionals who need a durable set with a slim profile ratchet | 9.2 | Check price |
| 3 | SUNEX TOOLS 1/2 Inch Drive Metric Socket Set, 42 Piece | 1/2 inch | Heavy duty work requiring larger fasteners | 9.0 | Check price |
| 4 | Neiko 10082A 3/8 Inch Drive Metric Socket Set, 62 Piece | 3/8 inch | Budget-minded buyers who want a huge variety | 8.8 | Check price |
| 5 | CRAFTSMAN Metric Socket Set, 3/8 Inch Drive, 40 Piece | 3/8 inch | DIYers who want a trusted brand with a lifetime warranty | 8.7 | Check price |
| 6 | DEWALT 3/8 Inch Drive Metric Socket Set, 90 Tooth, 46 Piece | 3/8 inch | Users who want a low-profile ratchet with a high tooth count | 8.5 | Check price |
| 7 | EPAuto 1/4 Inch Drive Metric Socket Set, 40 Piece | 1/4 inch | Precision work and small fasteners | 8.0 | Check price |
Questions worth asking
What is the most common metric socket size?
The most common metric socket sizes for automotive work are 10mm, 12mm, 13mm, and 14mm. These cover many fasteners on modern cars.
Should I buy a socket set or individual sockets?
For most people, a set is more economical and convenient. Individual sockets are useful when you need a specific size that is not included in your set.
What is the difference between 3/8 and 1/2 inch drive?
The 3/8 inch drive is lighter and works well for most jobs. The 1/2 inch drive is stronger and suited for larger fasteners that require more torque.
Can I use metric sockets on standard fasteners?
It is not recommended. Metric sockets are sized for metric fasteners, and using them on standard (SAE) fasteners can cause damage or slipping.
How do I know if a socket is 6-point or 12-point?
Look at the opening. A 6-point socket has six flat sides inside, while a 12-point has twelve points. The product description will also specify.
What is a universal joint used for?
A universal joint allows you to turn a socket at an angle, making it easier to reach fasteners in tight spaces.
Are expensive socket sets worth it?
Professional grade sets often have better steel, more precise machining, and a smoother ratchet. For occasional use, a mid-priced set is usually sufficient.
How should I clean and store my metric sockets?
Wipe them after use to remove oil and dirt. Store them in the case provided or on a socket rail to prevent loss and corrosion.
Our take
For most home mechanics, the TEKTON 3/8 Inch Drive Metric Socket Set is the best choice because it offers a balanced combination of size range, quality, and price. If you need to tackle large bolts on trucks or heavy machinery, consider the SUNEX 1/2 inch set for its larger sockets. If you are on a tight budget and want maximum value, the Neiko 62 piece set gives you the most sockets for your money.
Jake Monroe
Jake worked as a residential contractor for over a decade before shifting to full-time writing. He evaluates power tools, hand tools and workshop gear through the lens of someone who has actually used them on job sites, not just read the box.
