Jadever JDJD1403 Step Drill Bit 4-32mm | Titanium Coated Hole Cutter with Round Shank

The Jadever JDJD1403 Step Drill Bit is a professional-grade titanium-coated hole cutter designed for smooth and precise drilling in metal, plastic, wood, and sheet materials. Featuring a versatile 4mm to 32mm drilling range with 2mm step increments, this multi-size drill bit eliminates the need for multiple drill bits, making it ideal for electricians, fabricators, installers, and DIY users.

Built with durable high-speed steel and titanium coating, the JDJD1403 offers excellent heat resistance, reduced friction, and longer tool life for efficient cutting performance. Its round shank design ensures secure fitting in most electric drills and drill presses, while the stepped cone structure creates clean, burr-free holes with precision.

 Key Features

• Multi-size step drill bit with 4mm–32mm drilling range
• 2mm step increments for accurate hole sizing
• Durable titanium-coated finish for longer lifespan
• Smooth and burr-free hole cutting performance
• Strong high-speed steel construction
• Round shank design for secure drill chuck grip
• Reduces need for multiple drill bits
• Suitable for metal sheets, plastic, wood, aluminum, and PVC
• Ideal for electricians, fabrication work, workshops, and DIY use
• Packed in durable double blister packaging

 What’s in the Box

• 1 × Jadever JDJD1403 Step Drill Bit (4–32mm)

Technical Specifications

• Model: JDJD1403
• Size Range: 4–32mm
• Step Increment: 2mm
• Shank Type: Round Shank
• Finish: Titanium Coated
• Application: Metal, Plastic, Wood, PVC
• Packaging: Double Blister Pack