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99-Piece HSS Drill Bit Set 1.5–10mm | Metal Wood Plastic
99-Piece HSS Drill Bit Set 1.5–10mm | Metal Wood Plastic
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99-Piece High Speed Steel Drill Bit Set — 1.5mm to 10mm
Tackle any drilling project with confidence using this comprehensive 99-piece HSS drill bit set. Covering sizes from 1.5mm to 10mm, this set is engineered for smooth, fast drilling through metal, wood, plastic, aluminum, copper, and more — all without the need for pre-drilling. Whether you're a weekend DIYer or a seasoned tradesperson, this set delivers reliable performance every time.
Comes neatly organized in a durable storage case so every bit is easy to find, protect, and transport. Made in Mainland China.
Key Features
- 99 Pieces — a complete range from 1.5mm to 10mm to cover virtually every drilling need
- High Speed Steel (HSS) Construction — hard-wearing material that maintains a sharp cutting edge longer than standard steel bits
- No Pre-Drilling Required — bits are designed to start cleanly on contact, saving you time and effort
- Ultra-Low Friction — optimized flute geometry minimizes heat build-up and delivers fast, clean holes
- Multi-Material Compatibility — ideal for aluminum, iron, copper, steel, plexiglass, hard plastics, and wood
- Home & Professional Use — perfect for DIY projects, general construction, engineering, and workshop tasks
- Organized Storage Case Included — keeps all 99 bits sorted and protected, ready for your next job
- Compatible with needle vice or low-speed electric drills (not recommended for impact drills)
Bit Size Breakdown (99 Pieces Total)
| Quantity | Size |
|---|---|
| 16 | 1.5mm |
| 16 | 2mm |
| 15 | 2.5mm |
| 10 | 3mm |
| 10 | 3.2mm |
| 8 | 3.5mm |
| 8 | 4mm |
| 3 | 4.5mm |
| 3 | 5mm |
| 2 | 5.5mm |
| 2 | 6mm |
| 2 | 6.5mm |
| 2 | 8mm |
| 2 | 10mm |
Specifications
- Material: High Speed Steel (HSS)
- Size Range: 1.5mm – 10mm
- Piece Count: 99
- Type: Twist / Core Drill Bits
- Application: Metal, Wood, Plastic, Aluminum, Copper
- Compatible Tools: Needle vice, low-speed electric drill (NOT for impact drills)
- Origin: Made in Mainland China
Perfect For
- Home improvement & DIY repairs
- Metalworking & fabrication
- Woodworking & carpentry
- General construction & engineering projects
- Hobbyists & model makers
Looking for more tools for your workshop? Check out our 1/2" ABS Quick Connector Double Male Hose Coupling Adapter Set or explore our 1/4" Drip Irrigation Kit – Adjustable Auto Watering Sprayer for your outdoor projects.
For guidance on safe power tool use and drill bit best practices, visit the CDC NIOSH Power Tools Safety Resource.
Frequently Asked Questions
Q: What materials can these HSS drill bits cut through?
A: These high speed steel drill bits are designed for use on a wide range of materials including aluminum, iron, copper, steel, plexiglass, hard plastics, and wood. They are suitable for most general-purpose metalworking, woodworking, and DIY applications.
Q: Can I use this drill bit set with an impact drill?
A: No — this 99-piece HSS drill bit set is compatible with needle vices and low-speed electric drills only. Using them with an impact drill may damage the bits or reduce drilling accuracy.
Q: Do I need to pre-drill a pilot hole before using these bits?
A: No pre-drilling is required. The bits are engineered to start cleanly on contact, making them fast and easy to use even for beginners tackling DIY or construction projects.
Q: How are the 99 drill bits organized and stored?
A: The full set comes with a dedicated storage case that keeps all 99 drill bits (ranging from 1.5mm to 10mm) neatly sorted by size, making it easy to find the right bit and protecting them from damage when not in use.
