6–60mm Step Drill Bit – Spiral Groove Multi-Function Hole Cutter for Metal & Wood

📖 Description

• This 6–60mm step drill bit features a spiral groove design for smoother, more efficient drilling. Ideal for metal, wood, plastic, and other materials, it supports multi-size hole cutting, deburring, and chamfering in one tool. Made of high-speed steel, it offers durability and precision, perfect for DIY, workshop, and industrial applications.

🔧 Technical Specifications

• Material: High-Speed Steel (HSS 4241 or M2/6542)
• Coating: Titanium or cobalt coating for enhanced durability and reduced friction
• Drilling Range: 6mm to 60mm in 12 steps (6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60mm)
• Flute Design: Spiral grooves for efficient chip removal and smoother drilling
• Shank Type: Round or triangular shank for secure grip in drill chucks
• Suitable Materials: Steel, aluminum, brass, wood, plastic, PVC, and other thin materials​

⚙️ Key Features

• Multi-Size Capability: Allows drilling of various hole sizes without changing bits
• Enhanced Cutting Efficiency: Spiral grooves facilitate faster drilling and cleaner cuts
• Durability: Coatings like titanium or cobalt enhance the bit’s lifespan by reducing heat buildup
• Secure Handling: Shank designs prevent slippage during operation, providing stability

🛠️ Applications

• Electrical Installations: Creating holes for cable entries in panels
• Automotive Work: Drilling holes in vehicle bodywork for accessories
• DIY Projects: Suitable for various home improvement tasks involving different materials
• Metal Fabrication: Ideal for drilling holes in sheet metal and other thin materials