6PCS Step Drill Bit Set 4-12 20 32mm Cone Drill Bits 3 6 8mm Serrated HSS for Me

Product Description

1.NOTE:
Product Name: 6PCS Step & Serrated Drill Bit Set
Material: Bearing Steel with Titanium Coating
Included Sizes:

Step Drills: 4–12mm / 4–20mm / 4–32mm

Serrated Drills: 3mm / 6mm / 8mm
Applications: Wood, Aluminum, Thin Metal Sheet, Plastic
Compatible Machines: Hand Drill, Cordless Drill, Bench Drill
Note: For custom sizes or packaging, please contact us.

2. Parameters

3. Features

Durable Bearing Steel Construction
Forged from high-quality bearing steel for excellent toughness and long lifespan.

Titanium Coated Surface
Enhances corrosion resistance and extends tool life.

Efficient Chip Removal Design
Dual straight flutes reduce cutting resistance and prevent clogging.

Precision Self-Centering Tip
118° X-shape split point ensures accurate positioning and prevents bit walking.

Clear Laser Markings
Easy-to-read laser-engraved size markings for quick selection.

Multi-Functional Step Design
Tapered steps allow one bit to drill multiple hole sizes.

Sharp Serrated Cutting Teeth
Serrated twist bits ensure clean slotting and fast cutting with less heat.

Universal Shank Compatibility
Securely fits most standard chucks for stable operation.

Portable Storage Case
Conveniently organized and easy to carry.

4. Applications

Perfect for woodworking, plastic shaping, thin metal sheet processing, and aluminum plate slotting. Ideal for DIY, repair, and workshop use.

5. FAQs

Q1: Are these bits suitable for stainless steel drilling?
A1: They are optimized for softer materials like wood, plastic, aluminum, and thin steel sheets. For stainless steel, dedicated cobalt or carbide bits are recommended.

Q2: Will these drill bits work with cordless drills?
A2: Yes, the universal shank fits cordless drills, electric drills, and bench drills.

Q3: Can the step drill bit create multiple hole sizes?
A3: Yes, the step design allows drilling holes of different diameters with one bit.

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Shipping policy

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Returns

We offer a 14-Day Return Policy on items in which you are not completely satisfied with. You have the option of a full-refund or an exchange of the item.

Condition

Brand New

Shipping

This item is shipped directly from our supplier in China with tracking.