Impact Driver Bits · 12 compared side by side

Best Impact Driver Bit Sets in 2027

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.

Updated November 202620 reviewed · 12 met our standard13 specs comparedBy Comparabo editors

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Top picks

Best overall
#1
RLVKEAZ 88-PCS Impact Screwdriver Bits Set

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
Check price on Amazon
Biggest set
#2
SEDY 84075

SEDY 84075SEDY Ultimate Screwdriver Bit Set

232 pieces with nut drivers, security bits and extras.

Piece count
232 pcs
Bit material
Chrome vanadium
Impact rated
Yes
Check price on Amazon
Best brand-name set
#3
DEWALT DWA2T40IR

DEWALT DWA2T40IRDEWALT FlexTorq Impact Ready 40-pc Bit Set

DEWALT FlexTorq 40 pieces with torsion zones.

Piece count
40 pcs
Bit material
Other
Impact rated
Yes
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Comparison table

Swipe or scroll sideways to see every model.
Top 10 impact driver bits
Spec
#1
RLVKEAZ 88-PCS Impact Screwdriver Bits Set
Best overallCheck price on Amazon
#2
SEDY 84075
Biggest setCheck price on Amazon
#3
DEWALT DWA2T40IR
Best brand-name setCheck price on Amazon
#4
SWANLAKE GARDEN TOOLS SWANLAKE 232PCS
Big set alternativeCheck price on Amazon
#5
Makita E-01644
Longest-lasting bitsCheck price on Amazon
#6
DEWALT DWA2FTS100
Bits plus drill bitsCheck price on Amazon
#7
DEWALT DWA2T35IR
Compact DEWALT setCheck price on Amazon
#8
ARES 70013
For manual impact driversCheck price on Amazon
#9
CRAFTSMAN CMAF140SET
CRAFTSMAN all-in-oneCheck price on Amazon
#10
KAIFNT 0840052800124
Smallest manual setCheck price on Amazon
Best Scoreout of 10078717070625852525149
Piece countpcs88 pcs232 pcs (best in row)40 pcs232 pcs (best in row)60 pcs100 pcs35 pcs8 pcs140 pcs6 pcs
Bit materialS2 steel (best in row)Chrome vanadiumOtherChrome vanadium——OtherS2 steel (best in row)OtherS2 steel (best in row)
Impact ratedYesYesYesYesYesYesYesYesYesYes
Shank size1/4 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 includedPhillips, Torx, Security Torx, Hex, Square, Slotted, +3 moreHex, Torx, nut driver, Phillips, square, star, slottedImpact screwdriving bitsHex, Torx, nut driver, Phillips, square, star, slottedImpact bits, nutsetters, socket adapterTorx, Phillips, Square, Slotted, drill bitsImpact screwdriving bitsPhillips 1-4, slotted 1/4-1/2 inDrill, power, hex, star and screwdriver bits; nut driversPhillips, slotted
Longest bit lengthin6.0 in (best in row)———————2.0 in—
Magnetic tips or holderYesYesYesYesYesYesYes—Yes—
Torsion or flex zone——Yes—Yes—Yes———
Includes nut drivers or adaptersYes (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 includedYes (best in row)Yes (best in row)—Yes (best in row)—————No
Case type—Robust case with labeled slotsStorage caseSturdy compact case with labeled slots—ToughCaseClear-lid storage case with clip latchPlastic holderStorage casePlastic holder
Weightlb1.97 lb1.76 lb1.37 lb—0.22 lb3.17 lb1.66 lb0.10 lb (best in row)4.44 lb—
Warrantyyr——————————
Best in row— not published by the maker yet

How we chose

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.

Read the full method

In-depth reviews

These reviews are based on each bit set's published specifications and listing information, in the order of our Best Score.

Best overall

RLVKEAZ 88-PCS Impact Screwdriver Bits SetRLVKEAZ 88-Piece Impact Driver Bit Set

Well-rounded 88-piece S2 set with long bits

Piece count
88 pcs
Bit material
S2 steel (best of the reviewed tools)
Impact rated
Yes (best of the reviewed tools)
Weight
1.97 lb

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.

Pros

  • S2 steel, impact rated
  • 9 bit types incl. SAE and metric hex
  • Lengths up to 6 in

Cons

  • No nut drivers listed
  • Lesser-known brand
Buy it if
you want one set that covers most screws.
Skip it if
you want a big-brand set.

VerdictThe best all-round impact bit set on this page.

Biggest set

SEDY 84075SEDY Ultimate Screwdriver Bit Set

SEDY 232-piece set for every screw you meet

Piece count
232 pcs (best of the reviewed tools)
Bit material
Chrome vanadium
Impact rated
Yes (best of the reviewed tools)
Weight
1.76 lb

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.

Pros

  • 232 pieces, the most here
  • Nut drivers and security bits
  • Ratchet and extension included

Cons

  • Chrome vanadium, not S2
  • Large case
Buy it if
you want every bit type in one box.
Skip it if
you drive long structural screws all day.

VerdictThe most complete set here for homeowners.

Best brand-name set

DEWALT DWA2T40IRDEWALT FlexTorq Impact Ready 40-pc Bit Set

DEWALT FlexTorq set built for impact drivers

Piece count
40 pcs
Bit material
Other
Impact rated
Yes (best of the reviewed tools)
Weight
1.37 lb

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.

Pros

  • FlexTorq impact zone
  • CNC-machined tips reduce cam-out
  • Compact clear-lid case

Cons

  • Only 40 pieces
  • No nut drivers listed
Buy it if
you drive many screws with an impact driver.
Skip it if
you want lots of sizes and security bits.

VerdictThe best brand-name impact set in our top five.

Big set alternative

SWANLAKE GARDEN TOOLS SWANLAKE 232PCSSWANLAKE Ultimate Screwdriver Bit Set

SWANLAKE 232-piece set, same layout as SEDY

Piece count
232 pcs (best of the reviewed tools)
Bit material
Chrome vanadium
Impact rated
Yes (best of the reviewed tools)
Weight
—

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.

Pros

  • 232 pieces
  • Nut drivers and security bits
  • Ratchet and extension included

Cons

  • Same kit as the SEDY
  • Chrome vanadium, not S2
Buy it if
the SEDY set is unavailable.
Skip it if
you want a premium impact-only set.

VerdictA matching alternative to the SEDY set.

Longest-lasting bits

Makita E-01644Makita Impact XPS Bit Set

Makita Impact XPS bits for heavy impact use

Piece count
60 pcs
Bit material
—
Impact rated
Yes (best of the reviewed tools)
Weight
0.22 lb (best of the reviewed tools)

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.

Pros

  • Built for high-torque impacts
  • Nutsetters and socket adapter
  • Light at 0.22 lb

Cons

  • Fewer bit types
  • No security bits listed
Buy it if
you use a powerful impact driver every day.
Skip it if
you need specialty and security bits.

VerdictThe best choice here for durability under heavy impact use.

Best among the reviewed tools

Buying guide

Make sure it is impact rated

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 or chrome vanadium

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.

Get the tips you 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.

Shank size

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.

FAQ

Do I need special bits for an impact driver?

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.

What is the best impact driver bit set for home use?

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.

What is a torsion zone on an impact bit?

It is a narrower section of the bit that twists slightly under each impact, absorbing peak torque so the tip does not crack.

Can I use impact bits in a regular drill?

Yes. Impact bits work in drills and screwdrivers with a 1/4 in hex chuck. They just last longer than standard bits.

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Top pick · #1RLVKEAZ 88-PCS Impact Screwdriver Bits Set
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