Features
- Fully hardened and tempered for extended bit life
- Precision-formed Torx tip for proper fit
- Intended for use with heat-treated or case-hardened screws (sheet metal, self-tapping, self-drilling)
- 1 inch overall length
- Female Torx T10 tip
- Compatible with 1/4 in. square socket drive
Specifications
Tip Type | Torx (female) |
Trade Size | T10 |
Overall Length | 1 in (OAL) |
Drive Connection | 1/4 in. square socket drive |
Material Treatment | Fully hardened and tempered |
Intended Use | Driving heat-treated or case-hardened screws (sheet metal, self-tapping, self-drilling) |
Pack Quantity | 1 |
Unit Price | USD 2.82 (each) |
Vendor Part Number | 38689 |
Internal Material Number | 225865 |
Unspsc Code | 27112800 |
Minimum Order Quantity | 1 |
Stock Status | Special order; quantity in stock: 0 |
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1-inch overall length female Torx (T10) socket drive screw bit made from extra-hard steel and fully hardened and tempered. The tip is precision formed to ensure proper fit. Intended for driving heat-treated or case-hardened screws such as sheet metal, self-tapping, or self-drilling fasteners. Designed for use with a 1/4 in. square socket drive.
Model Number: 38689
Bosch Extra Hard Female Socket Drive Screw Bit, T10 Torx Point, 1 in OAL Review
Bosch has long been a trusted name in the world of tools, and their Extra Hard Socket Drive Screw Bits, model 38689, certainly live up to this reputation. When I first got my hands on this set, I was immediately taken by the robust construction and thoughtful design. Whether you're a professional tradesperson or a DIY enthusiast, this set has something to offer.
The first thing that caught my eye was the quality of the bits themselves. Bosch has used an extra hard construction material, which significantly enhances their durability. This isn't just marketing fluff; the bits genuinely feel more robust compared to other brands I've used in the past. The hardness of the bits means they are less likely to wear out or get damaged, even when used in demanding applications. Over the past few months, I've used these bits on various projects, ranging from assembling furniture to more heavy-duty tasks like working on my car, and they've held up remarkably well.
One of the standout features of this set is its compatibility with both 1/4 inch and 3/8 inch square socket drive systems. This flexibility is a game-changer, allowing me to use the bits with a range of tools without any hassle. The set includes a wide variety of sizes, from T10 to T60, ensuring that I have the right bit for almost any job. This variety is particularly useful for someone like me who frequently works on different types of projects.
The bits come in a compact case that's both well-made and easy to use. The case is sturdy enough to protect the bits during transport and storage, and the bits are easy to remove and replace. This might seem like a minor detail, but anyone who has struggled with poorly designed cases will appreciate the convenience. The case also features a strong magnet that holds the bits securely in place, preventing them from rattling around and potentially getting damaged.
One of the highlights of this set is the mini ratchet that comes with it. The ratchet is incredibly smooth to operate and has a comfortable handle that makes it easy to use for extended periods. The magnetic bit holder is a nice touch, ensuring that the bits stay in place during use. While the magnetic bit holder and sockets might not be the strongest I've ever used, they are more than adequate for most tasks.
In terms of performance, these bits excel. They fit snugly into screws and bolts, reducing the risk of stripping. The extra hard construction means they can handle tough materials without getting damaged. I've used them on wood, metal, and plastic, and they perform consistently well across all these materials. The precision of the bits also deserves a mention; they fit perfectly into screws, providing a firm grip that makes driving screws in and out a breeze.
However, it's worth noting that the set is quite compact. While this is great for storage and portability, it might not be suitable for larger projects where you need more substantial tools. I initially thought the set would be larger, but the compact size turned out to be beneficial for working in tight spaces. If you're looking for a set that you can easily carry around in your tool bag or even keep in your kitchen drawer for quick fixes, this set is ideal.
One minor downside is that the size of the bits might be misleading if you don't pay close attention to the product details. Some users might expect a larger set, but the dimensions are clearly stated, so it's important to read the specifications carefully before purchasing. Despite this, the quality and performance of the bits make up for any initial disappointment regarding their size.
Overall, the Bosch Extra Hard Socket Drive Screw Bits are a worthwhile investment. The combination of durability, versatility, and thoughtful design makes this set a valuable addition to any toolbox. Whether you're tackling small household repairs or more demanding projects, these bits are up to the task. The quality of the ratchet and the convenience of the compact case further enhance the set's value.
In conclusion, I highly recommend the Bosch Extra Hard Socket Drive Screw Bits. Their superior construction, wide range of sizes, and compatibility with multiple drive systems make them a versatile and reliable choice for any task. While the compact size might not be suitable for everyone, the performance and durability of the bits more than make up for it. If you're looking for a high-quality set of screw bits that can handle a variety of tasks, you can't go wrong with this Bosch set.
Project Ideas
Business
Makers’ Torx Upgrade Kits
Package assortments of T10 Torx sheet-metal, self-tapping, and machine screws with a 1/4 in. square-drive T10 bit. Market to 3D printer owners, RC/drone builders, and PC modders as a cam-out-resistant upgrade over Phillips hardware.
Appliance & Panel Fastener Retrofit Service
Offer a mobile service to replace stripped Phillips screws on HVAC covers, electrical panels, and appliances with T10 Torx hardware. Use the extra-hard bit with a compact ratchet for tight spaces, standardize clients on Torx to reduce future maintenance time, and bill per panel/asset.
Rapid Sheet-Metal Enclosure Assembly
Run a microfactory assembling low-volume enclosures and brackets using T10 self-drilling screws instead of rivets or welding. The precision T10 bit enables fast, repeatable assembly; upsell with captive hardware and torque documentation for small OEMs and startups.
PC Mod Boutique Screw Sets
Sell themed, color-matched T10 screw kits for PC builds (blackout, chrome, RGB accents) bundled with the T10 1/4 in. drive bit. Create content showing reduced stripping and cleaner finishes versus Phillips, and target e-commerce marketplaces and local PC shops.
Branded Ratchet + Torx Promo Packs
Create promotional packs for HVAC/electrical distributors: a compact 1/4 in. ratchet plus a T10 bit with custom branding. Offer bulk rates to companies for customer giveaways, leveraging the bit’s durability and precise fit to build brand goodwill with tradespeople.
Creative
Industrial Mini-Desk Organizer
Bend small trays and dividers from thin sheet steel or aluminum and assemble them with T10 Torx self-drilling screws. Leave the Torx heads exposed as a design accent. The 1/4 in. square drive lets you use a compact ratchet for tight corners, and the hardened, precision tip reduces cam-out in thin metals.
Slim Torx-Skin Wallet
Make a minimalist wallet from two aluminum plates and standoff spacers, secured with T10 Torx machine screws. The star-head pattern becomes a visual feature while keeping the profile slim. The short 1 in. bit works well in shallow assemblies and the hardened tip seats tiny screws cleanly.
Custom PC Fan Grilles and Blanks
Cut decorative fan grilles or I/O blanking plates from sheet metal and fasten them to cases with T10 self-tapping screws. The extra-hard bit handles case-hardened screws without rounding, and the square-drive works with a torque wrench for consistent clamping and vibration control.
Modular Pegboard Hooks and Shelves
Form simple sheet-metal hooks and lip shelves that mount to a backing board using T10 Torx self-tapping screws. The exposed Torx heads add an industrial look, and the precise tip minimizes stripping when driving into thin-gauge steel brackets.
Micro Robot Chassis
Build a small line-following or sumo robot frame from folded sheet metal. Use T10 Torx self-drilling screws for quick, repeatable assembly. The 1 in. OAL bit fits inside compact frames, and the hardened, tempered steel withstands repeated assembly during prototyping.