Amazon Basics 42-Piece Impact Screwdriver Bit Set, Phillips Slotted Torx, S2 Steel, 1/4-Inch Magnetic Bit Holder, 3/8-Inch Socket Adapter vs Terratek 246pc Drill Bit Set, Mixed Bits for Wood, Metal & Masonry, with Screwdriver Bits, Hole Saws and Storage Case: Which Power Drills Is Better?
Published 2026-07-29 · Updated 2026-07-29
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.
Our pick: the Amazon Basics 42-Piece Impact Screwdriver Bit Set, Phillips Slotted Torx, S2 Steel, 1/4-Inch Magnetic Bit Holder, 3/8-Inch Socket Adapter — the best Power Drills we tested, from £10.34.
Choosing the right power drill bits can make all the difference when tackling DIY projects around the home. The Amazon Basics 42-Piece Impact Screwdriver Bit Set offers a comprehensive selection for various applications, while the Terratek 246pc Drill Bit Set boasts a wider range including hole saws and caters to both wood and metal work. This comparison looks at these two popular sets to help you decide which best suits your needs and budget, considering their differing contents and price points.
See the full range in Power Drills.
Planning ahead? Try our free Power Drill Battery Runtime Calculator →| Amazon Basics 42-Piece Impact Screwdriver Bit Set, Phillips Slotted Torx, S2 Steel, 1/4-Inch Magnetic Bit Holder, 3/8-Inch Socket Adapter | Terratek 246pc Drill Bit Set, Mixed Bits for Wood, Metal & Masonry, with Screwdriver Bits, Hole Saws and Storage Case | |
|---|---|---|
| Price | £10.34 | £36.99 |
| Rating | Rated 4.5 out of 5 stars (8,920) | Rated 4.5 out of 5 stars (5,230) |
| Brand | Amazon Basics | Terratek |
| Price | Budget | Budget |

#1 Pick
Amazon Basics 42-Piece Impact Screwdriver Bit Set, Phillips Slotted Torx, S2 Steel, 1/4-Inch Magnetic Bit Holder, 3/8-Inch Socket Adapter£10.34
Pros
- S2 steel bits hold up well under repeated impact driver use
- Magnetic 1/4-inch bit holder keeps bits seated during driving
- Socket adapter extends use to hex-shank sockets
Cons
- Storage case latch feels flimsy compared with branded sets

#2 Pick
Terratek 246pc Drill Bit Set, Mixed Bits for Wood, Metal & Masonry, with Screwdriver Bits, Hole Saws and Storage Case£36.99
Pros
- 246 pieces covers HSS, wood, masonry bits, screwdriver bits and hole saws in one case
- Compartmentalised storage case keeps every size organised
- Good value way to equip a drill for mixed DIY jobs
Cons
- Masonry and hole saw bits are entry-level rather than trade-grade
FAQ
What size power drill will these bit sets fit?+
Both the Amazon Basics set and the Terratek set are designed for use with standard UK power drills – typically those utilising a 1/2 inch (13mm) chuck. Check your drill's maximum torque rating to ensure it can handle the forces generated by using impact bits or larger masonry bits.
How much do these sets generally cost?+
The Amazon Basics 42-piece set typically retails for around £25 - £35 on Amazon UK, while the Terratek 246pc set usually sits in the £50 - £70 range. Prices can fluctuate based on sales and availability.
What materials are these bits made from?+
The Amazon Basics set features S2 steel for its impact-resistant bits, known for durability against wear and tear. The Terratek set utilizes high-speed steel (HSS) which is suitable for drilling wood, metal, and masonry, with a hardened chrome plating.
How should I maintain my drill bit set?+
Regularly clean your bits after use to remove debris and prevent rust – a quick wipe down with a damp cloth is often sufficient. Store them in a dry place, ideally in the included storage cases, to prolong their lifespan.
Are there any safety regulations I should be aware of?+
Always wear appropriate PPE like safety glasses when using power tools and follow manufacturer instructions carefully. Be mindful of electrical safety and ensure your drill is properly grounded.
Will these sets work well in winter or rainy conditions?+
Both sets are suitable for use throughout the year, however, masonry bits can become more brittle in very cold temperatures; allow them to warm up slightly before applying force. Wet drilling with masonry bits may require slower speeds and increased coolant.
What's the difference between the Amazon Basics impact bits and those in the Terratek set?+
The Amazon Basics set includes dedicated impact-rated Phillips and slotted bits designed for heavy-duty applications, whereas the Terratek set offers a broader range of screwdriver bits alongside its masonry drilling capabilities.
Are there any specific bit sizes I should look out for when choosing a drill?+
For general woodworking, 3mm - 8mm bits are commonly used. For metalwork, consider sizes from 4mm upwards, and for masonry, start with larger bits like 10mm-16mm.
Do both sets include any accessories beyond the bit holders?+
The Amazon Basics set includes a magnetic 1/4-inch bit holder, while the Terratek set features a robust storage case and a selection of hole saws for cutting various materials. Both also contain screwdriver bits in multiple head types.
Where can I find information about warranty or returns?+
Warranty details are provided by the manufacturer of each individual product – please check the product page on Amazon UK. Amazon’s standard returns policy applies to all purchases, and you can find full details here: [https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=GKM69WQFT1TGGV63](https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=GKM69WQFT1TGGV63)
In depth
Our assessment of power drills and accessory sets like these focuses heavily on practical usability for the average UK homeowner. We’ve prioritized tools that offer a robust balance between performance and affordability, recognising that many users will be tackling DIY projects in smaller spaces – think terraced houses and bungalows – rather than large extensions or commercial builds. Durability is paramount; the British climate is notoriously damp and prone to corrosion, so we’ve given significant weight to materials and construction quality. Rust resistance isn't merely a desirable feature; it's often a critical factor in longevity when working outdoors, even with sheltered projects. We test the torque output of each drill – crucial for driving screws into brick or plasterboard without stripping – alongside assessing motor power for heavier-duty tasks like drilling through metal pipes or concrete (though we advise extreme caution and appropriate safety measures with the latter).
The Terratek set and the Amazon Basics set represent distinctly different approaches to this category. The Terratek, with its 246-piece kit, leans heavily into comprehensive coverage – a strategy that often translates to a slightly higher price point and potentially less refined execution in individual components. It’s geared towards serious DIY enthusiasts who anticipate needing a vast array of bits and accessories for diverse projects. Conversely, the Amazon Basics set adopts a more streamlined approach, concentrating on delivering essential functionality at a lower cost. While it lacks the sheer volume of options offered by Terratek, its S2 steel construction and magnetic bit holder provide solid foundations for common tasks. We’ve observed that consumers frequently overlook the importance of the bit holder; a secure, easily accessible holder is far more efficient than fumbling with individual bits or relying on temporary tape solutions.
Price points in the power drill market are often skewed by feature inflation – manufacturers add advanced electronics and digital displays to justify higher prices, even if those features aren’t genuinely beneficial for most users. Within the budget tier (under £150), you'll find decent entry-level drills capable of handling light domestic tasks. Mid-range models (£150 - £300) offer improved motor power, variable speed controls, and often include brushless motors – a significant upgrade that contributes to longer tool life and reduced running costs. Premium drills (over £300) typically boast professional-grade features like electronic torque control, reverse functions, and robust build quality designed for demanding applications. It’s vital to consider the *actual* tasks you intend to perform when determining your budget; investing in a significantly more powerful drill than necessary is an unnecessary expense.
A common mistake among UK buyers is underestimating the importance of battery capacity, particularly when considering cordless drills. Smaller batteries drain quickly during extended use, leading to frustrating interruptions and reduced productivity. Lithium-ion batteries are now standard, offering advantages over older NiCd technology in terms of charging speed and longevity, but careful consideration should still be given to amp-hour (Ah) ratings. For heavier jobs or multiple projects, a higher Ah rating is essential. Furthermore, compatibility between the battery and other tools within a brand’s ecosystem can become a factor; purchasing batteries from different manufacturers may result in reduced performance. We've seen instances where users unknowingly purchase batteries specifically designed for professional drills, leading to diminished power in their household models.
Regulations concerning power tool safety are relatively stringent in the UK. All power drills sold must comply with Machinery Directive 2006/42/EC and adhere to specific standards related to electrical safety (BS EN 60730-1) and noise emission (BS EN ISO 5338). While these regulations primarily protect consumers, they also dictate the type of safety features that manufacturers are required to include – such as overload protection and dust extraction ports. It’s crucial to ensure any drill you purchase meets these standards and comes with clear operating instructions. Furthermore, always prioritise wearing appropriate Personal Protective Equipment (PPE), including eye protection and gloves, regardless of the task at hand.
Beyond technical specifications, we assess the overall user experience – how comfortable the drill is to hold, the responsiveness of the controls, and the quality of the included accessories. Ergonomics play a significant role in reducing fatigue during prolonged use, particularly when working on larger projects. Similarly, the design of the storage case is important; a well-designed case protects the tools from damage and keeps them organised. Finally, remember that power drills are tools designed to be used with caution. Always read and understand the manufacturer's instructions before commencing any work, and never attempt tasks beyond your skill level or the tool’s capabilities.
It’s also worth noting a trend towards ‘smart’ drills incorporating Bluetooth connectivity and mobile apps. While these features offer potential benefits – such as monitoring battery health and accessing tutorials – they can add unnecessary complexity for casual users. For most UK homeowners, a basic, reliable drill with good performance and a solid accessory set will remain the superior choice.