7-Pc S2 Magnetic Torx Screwdriver Bits T10–T40 | 1/4" Hex
7-Piece S2 Magnetic Torx Screwdriver Bit Set – T10 to T40
Tackle any Torx fastener with confidence using this complete 7-piece set of S2 alloy steel magnetic screwdriver bits. Covering sizes T10, T15, T20, T25, T27, T30, and T40, this kit gives you everything you need for electronics repair, automotive work, appliance maintenance, and general DIY projects — all in one compact set.
Made in Mainland China.
Key Features
- S2 Alloy Steel Construction: Heat-treated S2 steel delivers exceptional hardness, durability, and precision — built to handle both manual and power-tool torque without cam-out or stripping.
- Magnetic Tip: Built-in magnetism holds screws securely on the bit for faster, fumble-free fastening in tight or awkward spaces.
- Universal 1/4" Hex Shank (6.35mm): Fits virtually all standard power drills, impact drivers, electric screwdrivers, and manual bit holders — no adapter needed.
- 50mm Working Length: The ideal length for reaching recessed fasteners while still providing excellent control.
- 5-Point Torx Profile: Precision-machined tips ensure a snug, accurate fit in Torx screw heads, minimising wear on both the bit and fastener.
- Complete Size Range: T10 through T40 covers the most commonly encountered Torx fasteners across consumer electronics, vehicles, appliances, and hardware.
Specifications
| Material | S2 Alloy Steel |
| Shank Type | 1/4" (6.35mm) Hex |
| Overall Length | 50mm |
| Head Type | 5-Point Torx |
| Sizes Included | T10, T15, T20, T25, T27, T30, T40 |
| Quantity | 7 Pieces |
Size Reference
- T10 – Corner height: 2.5mm
- T15 – Corner height: 2.9mm
- T20 – Corner height: 3.4mm
- T25 – Corner height: 3.9mm
- T27 – Corner height: 4.35mm
- T30 – Corner height: 4.8mm
- T40 – Corner height: 5.95mm
Note: Due to manual measurement, slight dimensional variances of 1–2mm may occur.
Compatible With
Electric screwdrivers, cordless drills, impact drivers, air (wind) drivers, and standard manual screwdriver bit holders with a 1/4" hex chuck.
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Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What sizes are included in this Torx screwdriver bit set?
A: The set includes 7 Torx bits covering the most common sizes: T10, T15, T20, T25, T27, T30, and T40 — ideal for a wide range of electronics, automotive, and general hardware applications.
Q: Will these Torx bits fit my cordless drill or impact driver?
A: Yes. All 7 bits feature a standard 1/4" (6.35mm) hex shank, which is compatible with virtually all cordless drills, impact drivers, electric screwdrivers, air drivers, and manual bit holders.
Q: What makes S2 steel a good choice for screwdriver bits?
A: S2 alloy steel is specifically engineered for impact and torsion applications. It offers superior hardness and wear resistance compared to standard chrome vanadium steel, helping the bits maintain their sharp profile through repeated heavy use without cracking or deforming.
Q: Are the tips magnetic?
A: Yes, each bit features a magnetic tip that holds screws in place during installation — especially helpful when working in confined spaces or overhead where dropping a fastener is easy.