21PC S2 Steel Hex Allen Wrench Drill Bit Set 2" Magnetic with Case
Tool Guide • Product Spotlight • Buying Advice
21-Piece Hex Head Allen Wrench Drill Bit Set — Tough S2 Alloy Bits for Professionals & DIYers
Durable, versatile, and engineered for impact drivers — this 21-piece hex head Allen wrench drill bit set features industrial-grade S2 alloy steel, magnetic tips, and a high-torsion design to handle heavy use on the job site or in the workshop.
Key Features
Premium Materials
Manufactured from industrial-grade S2 alloy steel with a black phosphate/powder-coated finish for long-lasting corrosion resistance and durability under repeated impact.
High-Torsion Design
A dedicated torsional region absorbs peak torque from impact drivers, reducing the risk of fracture and extending the life of each bit.
Magnetic Tips
Strong magnetic tips securely hold screws to prevent slippage and speed up one-handed installation.
General Compatibility
The 1/4" quick-release hex shank fits electric screwdrivers, hand screwdrivers, cordless drills, and most combination tools for maximum versatility.
Included Sizes — Metric & SAE
This 21-piece set includes a wide selection of popular metric and SAE hex sizes so you can tackle furniture assembly, appliance repair, automotive work, and more.
| Metric (mm) | SAE (inches) |
|---|---|
| 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8 | 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" |
The set also includes a 100mm bit holder and a durable storage box for organized, portable carry.
Product Specifications
- Material: S2 Steel
- Drive System: 1/4" Hex Quick Release
- Finish: Powder Coated / Black Phosphate
- Number of Pieces: 21
- Bit Length: 2 Inches (approx.)
- Includes: 100mm bit holder, storage box
Who This Set Is For
If you’re a tradesperson, mechanic, installer, or serious DIY enthusiast, this set provides the size range and durability needed for everyday use. Ideal for:
- Furniture assembly and flat-pack builds
- Automotive interior and trim work
- Appliance servicing and small repairs
- Professional contractors and maintenance staff
Why Choose This Hex Bit Set?
Compared to bargain bits, this S2 alloy set gives you improved impact resistance and longer life. The combination of magnetic tips and a torsion-absorbing design reduces work time and tool replacement costs — especially when used with impact drivers.
- Reliability: S2 alloy construction resists wear and cracking.
- Speed: Magnetic tips speed up screw placement and reduce drops.
- Compatibility: 1/4" hex shank works with most drivers and quick-change chucks.
Usage & Care Recommendations
To extend the life of your bits, avoid overheating during prolonged drilling and store them in the included box when not in use. Use the proper size for screw heads to prevent rounding.
Where to Buy
Available from major tool retailers and online marketplaces. Look for the S2 alloy marking or manufacturer specs in the product description to ensure you’re getting the high-grade material and protective finish shown here.
