
RLVKEAZ 88-PCS Impact Screwdriver Bits SetRLVKEAZ 88-Piece Impact Driver Bit Set
88 S2 bits in 9 types with lengths up to 6 in.
- Piece count
- 88 pcs
- Bit material
- S2 steel
- Impact rated
- Yes
Impact drivers hammer as they turn, and ordinary screwdriver bits can snap or round off under that force. An impact-rated set uses tougher steel and a torsion zone that flexes to absorb the shock, and it should include the Phillips, square, Torx and hex tips you actually drive. Bit count, lengths, nut drivers and the case all affect how useful a set is day to day. We put 12 impact driver bit sets on one spec sheet so you can compare them side by side.
Quick answer
Ranked from 12 impact driver bits that met our standard, compared on impact-rated construction, bit material (S2 steel), piece count.
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88 S2 bits in 9 types with lengths up to 6 in.

232 pieces with nut drivers, security bits and extras.

DEWALT FlexTorq 40 pieces with torsion zones.
| Spec | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Best Scoreout of 100 | 78 | 71 | 70 | 70 | 62 | 58 | 52 | 52 | 51 | 49 |
| Piece countpcs | 88 pcs | 232 pcs (best in row) | 40 pcs | 232 pcs (best in row) | 60 pcs | 100 pcs | 35 pcs | 8 pcs | 140 pcs | 6 pcs |
| Bit material | S2 steel (best in row) | Chrome vanadium | Other | Chrome vanadium | — | — | Other | S2 steel (best in row) | Other | S2 steel (best in row) |
| Impact rated | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Shank size | 1/4 in hex (best in row) | — | 1/4 in hex (best in row) | — | 1/4 in hex (best in row) | — | 1/4 in hex (best in row) | 5/16 in hex | — | 5/16 in hex |
| Bit types included | Phillips, Torx, Security Torx, Hex, Square, Slotted, +3 more | Hex, Torx, nut driver, Phillips, square, star, slotted | Impact screwdriving bits | Hex, Torx, nut driver, Phillips, square, star, slotted | Impact bits, nutsetters, socket adapter | Torx, Phillips, Square, Slotted, drill bits | Impact screwdriving bits | Phillips 1-4, slotted 1/4-1/2 in | Drill, power, hex, star and screwdriver bits; nut drivers | Phillips, slotted |
| Longest bit lengthin | 6.0 in (best in row) | — | — | — | — | — | — | — | 2.0 in | — |
| Magnetic tips or holder | Yes | Yes | Yes | Yes | Yes | Yes | Yes | — | Yes | — |
| Torsion or flex zone | — | — | Yes | — | Yes | — | Yes | — | — | — |
| Includes nut drivers or adapters | Yes (best in row) | Yes (best in row) | — | Yes (best in row) | Yes (best in row) | Yes (best in row) | — | — | Yes (best in row) | No |
| Security bits included | Yes (best in row) | Yes (best in row) | — | Yes (best in row) | — | — | — | — | — | No |
| Case type | — | Robust case with labeled slots | Storage case | Sturdy compact case with labeled slots | — | ToughCase | Clear-lid storage case with clip latch | Plastic holder | Storage case | Plastic holder |
| Weightlb | 1.97 lb | 1.76 lb | 1.37 lb | — | 0.22 lb | 3.17 lb | 1.66 lb | 0.10 lb (best in row) | 4.44 lb | — |
| Warrantyyr | — | — | — | — | — | — | — | — | — | — |
We reviewed 20 impact driver bits and kept only the 12 that pass every check below. Those are ranked by a Best Score built from spec fit for this job, sales rank.
These reviews are based on each bit set's published specifications and listing information, in the order of our Best Score.
Well-rounded 88-piece S2 set with long bits
The RLVKEAZ 88-piece set leads our Best Score at 78. It is made of S2 alloy steel, impact rated and magnetic, with 1/4 in hex shanks that fit any impact driver. It covers 9 bit types: Phillips, Torx, Security Torx, Hex, Square, Double Square, Slotted, Pozidriv and Triangle.
It includes 10-PCS Metric hex bits from 1.5-8mm and 10-PCS SAE hex bits from 5/64 to 5/16 in, so furniture, appliances and machinery screws are covered. Bit lengths run from 1 to 6 in, with PH2 bits in several lengths and longer Security Torx bits for recessed screws.
Long bits are useful for reaching screws deep in cabinets or between framing, and having several PH2 lengths means you always have the most-used bit on hand. It does not include nut drivers in our data, so add a few if you drive hex-head screws often. For a single set that covers most jobs, it is the best balance here.
VerdictThe best all-round impact bit set on this page.
SEDY 232-piece set for every screw you meet
Second with a Best Score of 71, the SEDY Ultimate set is the largest on this page with 232 pieces. It is made of chrome vanadium steel and marked as impact rated, with magnetic hex, Torx, nut driver, Phillips, square, star and slotted bits plus security bits.
Extras include a ratchet wrench and a 1/4 magnetic extension that works with electric and manual screwdrivers, hand drills, pneumatic tools and anything with a 1/4 hex chuck. The bits are clearly marked for quick identification, which matters in a set this large.
Chrome vanadium is generally less impact tough than S2 steel, so expect the most-used bits to wear faster under heavy impact driving. For a homeowner, though, having almost every size and security type in one case saves trips to the store. The SWANLAKE set below appears to be the same kit under another name.
VerdictThe most complete set here for homeowners.
DEWALT FlexTorq set built for impact drivers
The DEWALT FlexTorq Impact Ready 40-piece set ranks third with a Best Score of 70. It is built specifically for impact drivers, with an extended FlexTorq zone that transfers torque and flexes under impact to help bits last.
CNC-machined tips fit precisely in screw heads to reduce cam-out, which means fewer stripped screws and bits. The bits are magnetic with 1/4 in hex shanks. A patented bit-bar design makes removing and rearranging bits easy, and a clear lid with clip latch shows the contents at a glance.
The case is small and fits inside the small and medium ToughCase+, sold separately, for DEWALT storage users. At 40 pieces it is smaller than the budget kits, but every piece is an impact bit from a major brand. For contractors and serious DIYers who drive lots of screws with an impact, it is a dependable choice.
VerdictThe best brand-name impact set in our top five.
SWANLAKE 232-piece set, same layout as SEDY
It is made of chrome vanadium steel, marked impact rated and includes magnetic hex, Torx, nut drivers, Phillips, square, star and slotted bits plus security bits.
It adds a ratchet wrench and a 1/4 magnetic extension compatible with electric and manual screwdrivers, hand drills and pneumatic tools. Clearly marked bits help you find the right size quickly.
Because the two listings match so closely, choose whichever is in stock or arrives sooner. As with the SEDY, chrome vanadium is better suited to general home use than all-day impact driving of long structural screws. For a big, varied home toolbox set, it covers a very wide range. Keep the most-used Phillips and square bits handy and replace them as they wear, since those do most of the work in any set.
VerdictA matching alternative to the SEDY set.
Makita Impact XPS bits for heavy impact use
Makita says these bits last up to 100X longer than standard impact bits and are engineered to withstand the extreme power of high-torque impact drivers.
Precision machined tips give a full contact fit for better holding power, while torque absorbing shoulder rings and an optimized torsion zone take the shock of each impact. The set has 60 pieces, including impact bits, nutsetters and a socket adapter, all with 1/4 in hex shanks.
At 0.22 lb it is light to carry in a tool bag. It ranks lower than the larger kits because it has fewer bit types and no security bits listed, but if your work is decking, framing or cabinet installs with a strong impact driver, its durability focus makes it a smart buy.
VerdictThe best choice here for durability under heavy impact use.
Best among the reviewed tools
Impact drivers deliver sharp hammer blows. Impact-rated bits use tougher steel and a torsion zone that flexes to absorb shock, so they last longer and break less often.
S2 steel is the usual choice for impact bits because it handles shock well. Chrome vanadium is common in big general sets and is fine for home use.
Most jobs need Phillips #2, square and Torx bits, plus nut drivers for hex-head screws. Sets here range from 6 to 232 pieces.
Power impact drivers take 1/4 in hex shanks. Some small sets use 5/16 in shanks, which fit manual hand-strike impact drivers rather than power tools.
Yes. Regular bits can snap or wear quickly under impact. Impact-rated bits are made from tougher steel and absorb shock through a torsion zone.
The RLVKEAZ 88-piece set covers most screws with S2 steel bits. If you want every size and nut drivers, the 232-piece SEDY set is a good choice.
It is a narrower section of the bit that twists slightly under each impact, absorbing peak torque so the tip does not crack.
Yes. Impact bits work in drills and screwdrivers with a 1/4 in hex chuck. They just last longer than standard bits.
Your own selection is kept in the link, so friends see the same side-by-side.