8-Pc Double-Head Twist Drill Bit Set 3–5.2mm – Wood & Metal

8-Piece Double-Head Twist Drill Bit Set – Drill Wood, Metal & More

Get twice the drilling power from a single bit. This 8-piece double-head twist drill bit set features a smart dual-ended design, giving you two working tips per bit — effectively doubling the life of your set. Made from high-speed steel, these bits are engineered to cut cleanly and efficiently through a wide range of materials including wood, iron, stainless steel, aluminum alloy, and plastic. Whether you're a seasoned tradesperson or a passionate DIY enthusiast, this compact, versatile set belongs in every toolbox. Made in Mainland China.

Key Features

• Double-Head Design: Each bit works from both ends — equal to having two drill bits in one, maximizing value and longevity.
• 135° Drill Point Angle: Precision-ground tip ensures accurate positioning and faster, cleaner entry into your workpiece with minimal walking.
• Spiral Chip Flute: Efficiently evacuates material chips as you drill, reducing heat build-up and keeping your work clean.
• Multi-Material Compatible: Cuts through stainless steel, iron, aluminum alloy, plastic, and wood with ease.
• Straight Shank (SDS-compatible): Fits standard hand drills and electric drills for universal compatibility.
• Compact Size Range: 8 bits covering 3mm to 5.2mm diameters — ideal for precision drilling tasks.
• Portable & Lightweight: Total length of 48–56mm per bit keeps the set compact and easy to carry or store.

Specifications

What's in the Box?

• 8 × Double-Head Twist Drill Bits (3mm – 5.2mm)

Perfect For

• Woodworking projects and furniture assembly
• Sheet metal fabrication and metalwork
• Home repairs, DIY crafts, and renovation tasks
• Hobbyists working with plastic models or aluminum components

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Tool Safety Resources

For safe power tool operation best practices, refer to the OSHA Power Tool Safety Guidelines — essential reading for anyone working with drills and hand tools.

Note: Screen color settings may cause slight variations in the appearance of the product compared to photos. Minor measurement tolerances (±0.5mm) may apply.

Learn more: Drill bit

Frequently Asked Questions

Q: What materials can these double-head drill bits cut through?

A: These twist drill bits are designed to work on a wide variety of materials including stainless steel, iron, aluminum alloy, plastic, and wood. Their high-speed steel construction and 135° drill point make them suitable for both soft and harder materials in the 3–5.2mm diameter range.

Q: What drills are compatible with these bits?

A: These bits feature a standard straight shank, making them compatible with most hand drills and electric drills. They are ideal for both cordless and corded drill models used in home workshops and professional environments.

Q: What does the double-head design mean, and what are its benefits?

A: Each drill bit in this set has two usable ends — a working tip on both sides. This means when one end wears down, you can simply flip the bit and use the other end, effectively doubling the working life of each bit and providing excellent value for money.

Q: How many drill bits are included, and what sizes are available?

A: The set includes 8 double-head twist drill bits, covering a diameter range of 3mm to 5.2mm. Total bit length ranges from 48mm to 56mm depending on the size, making them compact yet effective for precision drilling tasks.