Bosch 29-piece Screwdriver Bit Set

A compact bit kit that punches above its weight

I tossed this Bosch bit set into my drill bag for a week of mixed work—assembling a shed door, hanging hardware, and opening up a couple of appliances—and it never felt like the wrong tool to have on hand. For a compact 29-piece kit, it covers an unusually wide range of fasteners, from the everyday to the oddball, and the bits themselves hold up well under sensible torque.

What you get

This is a straightforward, well-judged assortment: 26 insert bits plus a magnetic bit holder, a basic magnetic screwdriver handle, and a 1/4 in. hex-to-square socket adapter. Everything rides in a hard plastic case that’s pocketable yet dense enough to feel substantial.

The coverage leans beyond the usual Phillips/Pozi/Torx mix to include security Torx (with the center pin), Robertson (square), Torq-set, “tri-metal” security, and a healthy spread of tamper-resistant hex sizes. The 1/4 in. hex shanks make everything compatible with quick-change chucks on drills and drivers, and the shorter insert-bit format keeps the kit compact and good for tight spots.

Bosch touts forged tips, hardened cores, and a torsion zone in the bit shafts. That recipe isn’t marketing fluff here; you can feel the tips seat positively in fasteners, and the torsion necks take the sting out of sudden torque spikes.

Build and design

The bits have a clean, even finish with crisp tip geometry. On Torx especially, the fit is snug enough that wobble and cam-out are minimized when you keep the driver in line. The “extra hardness” claim shows up more in wear resistance than in any brittle behavior—no chalky flaking at the edges, even after working through a box of construction screws and a handful of machine screws.

The magnetic bit holder is stronger than the throw-in you get in many budget kits. It grabs short screws securely, which is especially helpful when you’re starting them one-handed. The included screwdriver handle isn’t a premium ratcheting driver, but it’s a useful manual option for delicate tasks where a power driver is too aggressive. The socket adapter is the standard 1/4 in. hex to 1/4 in. square; handy for driving small sockets without packing a full nut-driver set.

The case strikes a good balance between density and access. The trays hold bits firmly without turning removal into a fingernail contest. After a week bouncing in a tool bag, nothing had shaken loose. It’s the kind of case you actually keep, not the kind you immediately toss for a roll-up.

In use

On common fasteners—think cabinet hinges, furniture hardware, sheet-metal screws—the set does exactly what it should. With a compact electric screwdriver, the shorter insert bits keep the profile low enough to work inside carcasses and tight corners. With a drill/driver, the torsion zone helps smooth out starts and stops, especially when you’re backing out stubborn fasteners that twitch as they release.

Where this kit distinguishes itself is on security and specialty head coverage. I ran into tamper-resistant hex on an appliance housing and security Torx on a light fixture bracket. Being able to address both without a dedicated specialty case saved me a trip. The Torq-set and “tri-metal” bits are niche; if you work on consumer electronics, aerospace fixtures, or certain appliances, you’ll appreciate them. If not, their presence doesn’t get in the way—and they’re the kind of bits you’re glad to own exactly once, the first time you need them in a hurry.

Across the board, the tip fit is the noteworthy trait. You don’t need to overdrive fasteners to keep them moving; staying aligned and applying steady pressure is enough. That reduces cam-out, keeps screw heads clean, and spares the bit tips from premature rounding.

Durability and torque handling

Insert bits live hard lives when paired with high-torque tools. While these aren’t labeled as impact-rated, they handled light impact duty without drama, and they were perfectly at home in a regular drill/driver and electric screwdriver. The torsion section does work: it visibly twists a hair under peak load and springs back, which cuts down on snap-prone stress risers. Over the week, I didn’t break a bit or mushroom a tip.

That said, if your daily routine involves sinking long construction screws with a compact impact driver, you’ll want true impact-rated, longer shank bits. This set is better as your general-purpose companion and “I’ve-got-that-weird-fastener” problem solver than as your only heavy-duty driving kit.

Ergonomics and workflow

The magnetic bit holder and short inserts make quick work of swaps. The indexing inside the case is logical, and the contrast is decent enough to find what you need without squinting. On a ladder, I appreciated that the case opens flat and stays put; it doesn’t tip and scatter bits as soon as you look away.

The manual screwdriver is more than a token add-on. For soft materials or small screws where control matters, it’s the right tool, and the magnetic retention keeps the bit from falling out when you withdraw the driver from a tight recess.

Where it shines

• Coverage breadth in a small footprint. Everyday Phillips/Pozi/square/Torx are present, but the inclusion of security Torx, tamper-resistant hex, Torq-set, and tri-metal is what elevates the kit.
• Bit fit and finish. Forged tips and hardened cores translate into clean engagement and slow wear.
• Practical accessories. The magnetic holder is strong, and the socket adapter adds flexibility for hex-to-square tasks without extra gear.

What could be better

• Not a nut-driver kit. If you often need 1/4 in. hex nut drivers in common sizes, they’re not here; you’ll rely on the socket adapter and your own socket set.
• Not optimized for impact. While they survive occasional impact use, heavy daily impact driving calls for purpose-built, longer bits.
• Limited reach. Insert bits are compact; great for tight spaces, not great for reaching past obstructions or getting into deep recesses. You’ll want a longer bit holder or a few 2 in./3 in. drivers to complement this kit.
• Assortment quirks. The set tilts toward specialty/security coverage. If you only ever drive standard cabinet screws and deck hardware, a simpler assortment might be more focused for you.

Who it’s for

This kit makes a lot of sense for homeowners, maintenance pros, and installers who want a reliable everyday assortment with the ability to handle the occasional tamper-resistant or obscure fastener. It’s also a smart add for anyone who opens appliances and fixtures regularly. If you’re outfitting a new tool bag, it covers more scenarios per cubic inch than most, and the 1/4 in. hex shanks slot into whatever driver you already own.

If your work is almost entirely structural framing and decking, you’ll benefit more from a longer, impact-rated Torx/Phillips set. If your work is precision electronics, you’ll still want smaller precision drivers—but this will handle the larger fasteners that show up in appliances, fixtures, and enclosures.

Value

Given the breadth of coverage, the sturdiness of the case, and the quality of the bits, the set represents solid value. It’s not a “throwaway” kit; the bits feel and perform like tools you’ll keep using rather than disposables you expect to chip. The included magnetic driver and socket adapter mean you can leave a couple of extra items out of the bag.

Recommendation

I recommend this Bosch bit set as a compact, capable companion that covers both everyday driving and the surprise tamper-resistant fasteners that derail a job. The forged tips and torsion zone hold up under real-world torque, the magnetic accessories are genuinely useful, and the case is durable and easy to live with. It’s not a replacement for a long, impact-rated set or a dedicated nut-driver kit, but as a do-most-things, go-anywhere assortment, it earns its spot in the bag.