Best Budget Metric Socket Sets: CASOMAN Leads

The best budget metric socket set here is the CASOMAN 3/8" Drive Impact Socket Set, a 49-piece kit that covers 8-22mm plus SAE and throws in a universal joint and two extension bars. If you want a wider 3/8" metric spread in shallow and deep depths, the EGOFIX 3/8" 50-piece kit is the pick, with sockets from 8mm to 22mm in both lengths.

"Budget" and "metric" pull in different directions on Amazon. Cheap sets often skimp on metric coverage or include stray SAE fillers you never use. So the real question is what a low outlay actually buys in millimetres, drive size and included extras.

Best budget metric socket set at a glance

How I cut the field down to six

I started with the criteria a budget buyer cares about and worked outward. The criteria, in order of weight: metric coverage first, drive size next, then extras like ratchet, extension bars and universal joint, then case quality, then published warranty. Nothing else moved the ranking.

Metric coverage carried the most weight because the keyword is metric-first. A 10-piece kit with only a handful of metric sizes cannot beat a 49-piece kit that spans 8mm to 22mm, even if the smaller kit costs less.

Drive size was the next filter. A 1/4" set handles small fasteners, 3/8" hits the sweet spot for automotive and household work, and 1/2" is for the biggest bolts. Four of the six picks are 3/8" drive for that reason.

Extras mattered third. A set with a ratchet, extension bars and a universal joint is a working kit out of the box. A tray of bare sockets is not, and I flagged the CRAFTSMAN 10-piece for exactly that reason.

Sets that mixed SAE and metric were kept, but the metric range was what got counted.

1. CASOMAN 3/8" Drive Impact Socket Set — Best overall

The best budget metric socket set overall: a 49-piece 3/8" impact kit that covers 8-22mm, throws in the extras, and lands mid-range in price.

Best for: home mechanics who want one 3/8" kit to cover most bolts Skip it if: you only need small metric sizes for electronics or bikes

What sets this CASOMAN apart in this set is the balance. 49 pieces at 9.17 lb, in a 2.36 x 15 x 9.45 in blow-molded case, with 8-22mm metric coverage plus SAE from 5/16" to 3/4". CASOMAN says the sockets are drop-forged, heat-treated chrome vanadium steel (50BV30) with a black phosphate finish, and that the set includes a 3" and 6" impact extension bar, a 3/8" universal joint, and a 1/2" to 3/8" reducer. Those extras are what turn a socket tray into a usable kit. The listing also claims the set meets or exceeds ANSI performance standards and carries a standard limited lifetime warranty. That warranty language is short of the explicit one-year statement on the CASOMAN 14-piece, but longer than the silence on the two EGOFIX-branded sets. The trade-off against the pricier 50-piece kits from EGOFIX and SWANLAKE is one fewer socket and no explicit shallow-versus-deep split in the metric range.

Pros:

• 8-22mm metric plus SAE from 5/16" to 3/4"
• Ratchet-compatible 6-point deep sockets
• Universal joint and two impact extensions in the box
• 1/2" to 3/8" reducer widens compatibility
• Published dimensions and 9.17 lb weight

Cons:

• The most expensive 3/8" kit here with fewer pieces than either 50-piece rival
• No ratchet handle listed with the set
• Deep sockets only, no shallow option

2. EGOFIX 3/8" Drive Impact Socket Set — Best premium

A 50-piece 3/8" kit that splits its metric range into shallow and deep, with a ratchet handle, extensions, universal joint and adapter in the tray.

Best for: buyers who want the widest 3/8" metric range in a single tray Skip it if: you already own extension bars and a ratchet

The EGOFIX kit is the most expensive pick here, and the reason is coverage. The listing describes 28 metric sockets across shallow and deep depths, running 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22mm, alongside 16 SAE sockets from 5/16" up. That is more metric depth options than any other set in this comparison. EGOFIX says the sockets are chrome vanadium steel with a black phosphate coating, and that the 6-point flank drive design grips flats rather than corners to reduce rounding. An adjustable ratchet handle, impact universal joint, adapter and extension bars round out the tray. The gap to the CASOMAN Best overall is small on paper but real in the drawer: shallow sockets clear studs and short bolts that deep sockets cannot always reach, and having both saves swapping tools. The trade-off is thin published data: no weight, no dimensions, no case size, no warranty statement. Buyers wanting numbers on paper will find CASOMAN more transparent.

Pros:

• 28 metric sockets in shallow and deep from 8-22mm
• Adjustable ratchet handle included
• Impact universal joint and adapter in the tray
• 6-point flank drive on every socket
• 50 pieces total, matching SWANLAKE on count

Cons:

• The most expensive pick here
• No weight, dimensions or warranty listed
• One of the slower sellers in this set

3. Egofine 46 Pieces 1/4 inch Drive Socket Ratchet Wrench Set — Most versatile

A 1/4" drive kit that mixes 13 small metric sockets with 21 bit sockets, aimed at fiddly work rather than heavy fasteners.

Best for: light repairs, interior work and bit-driver jobs on small fasteners Skip it if: you need to break loose seized lug nuts or suspension bolts

This Egofine kit does something different from the four 3/8" and 1/2" sets. At 2.54 lb in a 1.77 x 9.25 x 9.25 in case, it is the lightest set here. The listing describes 13 metric 1/4" sockets running 4mm to 14mm, plus 21 bit sockets covering slotted, Phillips, Pozidriv, hex 3-8mm and Torx T10-T40. That bit range is why the kit earns its label: one tray covers most small fasteners you meet on furniture, appliances, bikes and interior car work. Egofine says the sockets are chrome vanadium steel with reinforced walls, and the kit includes a universal joint plus 2" and 4" extension bars. The best budget metric socket set for that kind of job is not one aimed at a torque wrench. It is this one. The obvious trade-off is that 14mm is the ceiling. Anything bigger, anything greasy, anything seized needs a 3/8" or 1/2" drive kit instead. It is also the one buyers choose most often here.

Pros:

• 13 metric 1/4" sockets from 4mm to 14mm
• 21 bit sockets across five bit types
• Just 2.54 lb, the lightest set on the list
• Ratchet, universal joint and two extensions included
• The cheapest of the three impact-style kits

Cons:

• 14mm ceiling on metric sizes
• 1/4" drive is not for high-torque work
• No warranty statement in the listing

4. SWANLAKE 3/8" Drive Impact Socket Set — Best upgrade

Fifty pieces of 3/8" impact sockets in shallow and deep metric depths, plus a ratchet handle, extensions and a universal joint.

Best for: someone who wants shallow and deep sockets in the same tray Skip it if: you want a published weight before you buy

SWANLAKE's kit lines up almost feature-for-feature against the EGOFIX 50-piece, at a lower position in the price ranking. The listing describes 8-22mm metric plus 5/16"-3/4" SAE, both in shallow and deep, with a ratchet handle, extension bars and a universal joint included. SWANLAKE says the sockets are heat-treated chrome vanadium with a black phosphate coating, using a 6-point design for grip on fastener flats. Laser-etched markings on each socket are pitched at low-light workshop use. The storage is custom-molded with printed size labels, which is a small detail that matters in a rolling toolbox. Where SWANLAKE lags CASOMAN and the CASOMAN 14-piece is transparency: there is no weight, no case dimensions and no warranty statement in the listing. On coverage, though, this set matches the best of them. The trade-off against the CASOMAN Best overall is fewer published specifications for a similar working spec, in return for one more socket and the shallow-deep split.

Pros:

• 50 pieces with shallow and deep metric 8-22mm
• Ratchet handle and universal joint in the box
• Laser-etched size markings on each socket
• Custom-molded case with printed size labels
• One more piece than the CASOMAN Best overall

Cons:

• No weight, dimensions or warranty listed
• The slowest seller of the 3/8" kits here
• Sits at the top of the mid-to-premium price positions

5. CASOMAN 14 Pieces 1/2-Inch Drive Shallow Impact Socket Set — Best warranty

A 14-piece 1/2" drive metric set covering 11mm to 32mm with an explicit 1-year quality warranty on the listing.

Best for: big fasteners from 11mm to 32mm on a 1/2" drive Skip it if: you need anything smaller than 11mm

This is the only 1/2" drive set here and the only one with a warranty statement written directly into its specification list: "It comes with 1 year quality warranty." At 4.06 lb in a 5.51 x 9.06 x 1.97 in case, it is a focused kit rather than a general one. CASOMAN says the sockets are 50BV30 chrome vanadium with a black phosphate finish, laser-etched for size, using a 6-point flank drive that grips flats. The metric range is 11, 12, 13, 14, 15, 17, 18, 19, 21, 22, 24, 27, 30 and 32mm, all shallow. That is the profile of a set aimed at lug nuts, suspension bolts and the kind of fasteners a torque wrench sees. There is no ratchet, no extension bar and no universal joint in the box, because the assumption is you already have 1/2" drivers. The trade-off is the narrow use case: on a small metric bolt, this set has nothing to offer.

Pros:

• Metric coverage from 11mm to 32mm
• Explicit 1-year quality warranty in the listing
• The only 1/2" drive kit here
• Published weight and case dimensions
• Meets or exceeds ANSI performance, per the listing

Cons:

• No ratchet, extensions or universal joint included
• Shallow only, no deep option
• Nothing under 11mm

6. CRAFTSMAN Mechanics Tool Set 10-Piece — Best budget pick

The cheapest of the six and the only name-brand pick, but a 10-piece kit that leans on its ratchet more than its sockets.

Best for: shoppers who want a name-brand ratchet on the cheap Skip it if: you need a full range of metric sockets in the box

CRAFTSMAN's CMMT34564 is the cheapest of the six and the only pick that carries a full lifetime warranty, per the listing. It is a 10-piece 3/8" drive kit finished in full polish chrome. The listing highlights the 72-tooth ratchet with a 5-degree arc swing and a head that CRAFTSMAN says is up to 25% thinner than the CMMT81748 for tight-space work. The sockets are 6-point, described in the listing as a design that increases torque on fasteners. This is the pick for someone who wants a CRAFTSMAN ratchet handle in a metric kit and does not need a wall of sockets. That is also its clearest weakness in this comparison: the listing does not enumerate the metric sizes included, and 10 pieces is a fraction of the coverage the CASOMAN, EGOFIX or SWANLAKE 3/8" kits publish. Against the other five, this set is thin. Against the price, the brand name and the warranty stand out.

Pros:

• The cheapest of the six
• 72-tooth ratchet with 5-degree arc swing
• Low-profile head for tight spaces, per the listing
• Full lifetime warranty on the listing
• CRAFTSMAN brand support behind it

Cons:

• Just 10 pieces against 46-50 in the rival kits
• No metric size list published in the specifications
• No weight or case dimensions on the listing

Which drive size fits the job?

The drive size on the ratchet is the single decision that separates these six kits. Get it wrong and the sockets do not match the work.

• 1/4" drive is for small fasteners: interior trim, appliance repair, bicycles, electronics, small engines. The Egofine 46-piece is your only 1/4" option here, with metric sizes running 4mm to 14mm.
• 3/8" drive is the general-purpose size, and four of the six picks use it. It covers most automotive and household bolts from around 8mm up to 22mm without straining the ratchet.
• 1/2" drive is for the biggest fasteners: lug nuts, suspension components, big engine bolts. The CASOMAN 14-piece is your only 1/2" option, running 11mm to 32mm.

A single 3/8" set handles most tasks. Buyers who work on cars often add a 1/2" set for lug nuts and a 1/4" set for interior work over time. Do not buy all three at once unless you already know which jobs justify each.

What a budget metric socket set should include

A tray of sockets alone is not enough. Here is what you want in the box, in order of importance.

1. A ratchet handle matched to the drive. Without one, the sockets are inert. CASOMAN's Best overall skips this; SWANLAKE, EGOFIX and both Egofine kits include one.
2. At least one extension bar. A 3" or 6" extension reaches recessed bolts. Four of the six picks include extensions.
3. A universal joint. This is the difference between reaching a bolt and giving up. Five of the six picks include one.
4. 6-point sockets. All six kits describe 6-point designs. That grip pattern loads the flats of a fastener rather than the corners, reducing rounding on old bolts.
5. A molded case with labelled slots. Four of the six picks describe custom-molded cases. It is a small detail until you tip the box.

Skip a set that offers only sockets, unless you are topping up a rack you already own.

Where the cheap sets cut corners

Every budget set trims something. Knowing where means you know what you are giving up.

• Warranty statements. Only two picks list a warranty in the specifications: the CASOMAN 14-piece (1 year) and CRAFTSMAN (full lifetime). The other four say "meets or exceeds ANSI" or nothing at all. That is not the same as a written warranty.
• Published weight and dimensions. CASOMAN Best overall (9.17 lb, 2.36 x 15 x 9.45 in), CASOMAN 14-piece (4.06 lb, 5.51 x 9.06 x 1.97 in) and Egofine 46-piece (2.54 lb, 1.77 x 9.25 x 9.25 in) publish both. The other three do not.
• Metric-size lists. EGOFIX, SWANLAKE and both CASOMAN kits enumerate their metric sizes. CRAFTSMAN does not.
• Shallow versus deep depths. Only EGOFIX and SWANLAKE describe both depths across their metric range. CASOMAN Best overall is deep-only in SAE; CASOMAN 14-piece is shallow-only.

If a listing does not say, treat the missing information as a real gap and not as an oversight. In practice, that means the CASOMAN kits are the most transparent buys of this best budget metric socket set field.

How the top two compare head to head

The choice between the CASOMAN Best overall and the EGOFIX 50-piece is where most 3/8" buyers land. Both cover 8-22mm metric and 5/16"-3/4" SAE. Both use chrome vanadium steel with black phosphate. Both include a universal joint and extension bars.

Three things separate them. CASOMAN publishes weight (9.17 lb), case dimensions and a limited lifetime warranty, and it costs less. EGOFIX does not publish those numbers, but it splits its 28 metric sockets into shallow and deep, and includes an adjustable ratchet handle CASOMAN does not.

The cutoff is depth. If you want both shallow and deep metric sockets in a single tray, and a ratchet, pay more for EGOFIX. If you already own a 3/8" ratchet, or you can live with deep-only sockets, CASOMAN gives you more paper data for less money. In practice, the second scenario fits most buyers of a best budget metric socket set, which is why CASOMAN is the overall winner and EGOFIX the premium alternative.

The verdict

The best budget metric socket set is the CASOMAN 3/8" Drive Impact Socket Set. It hits 8-22mm on the metric side, publishes weight (9.17 lb) and case dimensions (2.36 x 15 x 9.45 in), throws in a universal joint, a 1/2"-to-3/8" reducer and two impact extensions, and carries a limited lifetime warranty in the listing. It is the middle of the price range, not the cheapest, but the metric coverage and transparency put it ahead.

Two conditions flip the pick. If you want your metric sockets in both shallow and deep depths, and a ratchet handle in the same tray, the EGOFIX 50-piece is the buy despite a higher price. If most of your work is small fasteners under 14mm, or you need bit sockets alongside your metric range, the Egofine 46-piece 1/4" kit covers that ground in 2.54 lb of tools.

Skip the CRAFTSMAN unless the brand and the warranty matter more than the socket count. Skip the CASOMAN 14-piece unless you already own a 1/2" drive ratchet and need big metric sizes from 11mm to 32mm.

FAQ

Is a budget metric socket set worth it for a home garage?

A budget metric socket set is worth it for a home garage as long as the metric range covers the work. Four of the six picks here span 8-22mm on 3/8" drive, which handles most car and household bolts. Add a 1/2" set for lug nuts if you rotate your own tyres. Skip the 10-piece kits if you want real coverage.

What is the best drive size for a first metric socket set?

The best drive size for a first metric socket set is 3/8". It covers roughly 8mm to 22mm without straining the ratchet, and four of the six picks here use it. 1/4" drive tops out around 14mm and is for small work. 1/2" drive is for lug nuts and suspension bolts. Buy 3/8" first and add the others later.

How does the CASOMAN 49-piece compare to the EGOFIX 50-piece?

The CASOMAN 49-piece compares closely to the EGOFIX 50-piece on metric range (both 8-22mm) and materials (both chrome vanadium with black phosphate). CASOMAN publishes weight, dimensions and a limited lifetime warranty, and costs less. EGOFIX includes an adjustable ratchet handle and splits its metric sockets into shallow and deep. Pick EGOFIX for both depths, CASOMAN for transparency and value.

Do budget socket sets work with an impact wrench?

Budget socket sets work with an impact wrench only when the sockets are marked impact-rated. The CASOMAN 49-piece, CASOMAN 14-piece, SWANLAKE 50-piece and EGOFIX 50-piece all describe impact designs in their listings, using heat-treated chrome vanadium with black phosphate. The Egofine 1/4" and CRAFTSMAN 10-piece are not described as impact sockets and should be used with hand ratchets only.

What metric sizes should a socket set include for car work?

What metric sizes should be in a socket set for car work is settled by the fasteners on modern vehicles. You want 8mm through 22mm covered without gaps, which the CASOMAN 49-piece, EGOFIX 50-piece and SWANLAKE 50-piece all do. For lug nuts, add 17mm, 19mm and 21mm on 1/2" drive, which the CASOMAN 14-piece covers alongside 24mm, 27mm, 30mm and 32mm.

Start with the drive size, then the metric range, then the extras. The CASOMAN 49-piece answers all three questions in one purchase for the smallest outlay against its coverage. It is the pick that stops the "which set" question and lets you get on with the job. Buyers who work on older vehicles, or who lean on a torque wrench, should pair it with the CASOMAN 14-piece 1/2" set to cover the big fasteners the 3/8" kit cannot reach. Buyers who spend more time inside the cabin than under the bonnet should pair it with the Egofine 46-piece instead. Match the tray to the work.

Last updated: September 25, 2026. Product availability re-checked.

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