3/7/13PCS Hex Shank Twist Drill Bit Set – Cobalt Core Drilling Tool for Wood & Metal
Product Overview
Elevate your precision drilling with this high-performance Hex Shank Twist Drill Bit Set. Designed for both wood and metal applications, these cobalt‑enhanced HSS (High-Speed Steel) bits deliver exceptional durability, heat resistance, and a clean, accurate cut every time.
Key Highlights
- 13 precision‑cut bits in 1.5 mm to 6 mm sizes (1.5, 2, 2.5, 3, 3.5, 4, 5, 6 mm)
- Hex shank construction for secure, vibration‑free fit in drill chucks
- Cobalt alloy coating boosts hardness and extends tool life in tough materials
- Dual‑purpose design – ideal for drilling holes in wood, metal, and composite panels
- Clear, color‑coded packaging for quick size identification
- Compatible with standard 1/4” and 3/8” drill bits
Benefits
• Long‑lasting performance: Cobalt coating resists wear, keeping the cutting edge sharp longer.
• Versatile use: Whether you’re working on a woodworking project or a metal fabrication job, this set handles it all.
• Precision drilling: Tapered twist design reduces friction, producing clean, straight holes with minimal burrs.
• Easy handling: Hex shank provides a firm grip, preventing slippage and ensuring safety during use.
Technical Specifications
- Material: Cobalt‑enhanced High-Speed Steel (HSS)
- Sizes: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 6 mm
- Shank type: Hex
- Color coding: Red (1.5 mm), Orange (2 mm), Yellow (2.5 mm), Green (3 mm), Blue (3.5 mm), Purple (4 mm), Pink (5 mm), Black (6 mm)
- Weight: 0.75 kg (total set)
How to Use
1. Select the appropriate bit size for your material.
2. Insert the hex shank into your drill’s chuck and tighten securely.
3. Align the bit with the drilling spot, apply steady pressure, and let the bit do the work.
4. For metal drilling, use a slower speed and apply a small amount of cutting oil to reduce heat buildup.
Care & Maintenance
• Keep bits clean after each use; a quick wipe with a damp cloth removes metal shavings.
• Store in a dry, protected container to avoid corrosion.
• Replace any bit that shows signs of dullness or damage to maintain optimal performance.
Why Choose This Set?
Whether you’re a seasoned professional or a DIY enthusiast, this 13‑piece Hex Shank Twist Drill Bit Set offers the reliability, precision, and versatility you need for any drilling task. Its cobalt‑coated HSS construction guarantees a longer lifespan, saving you time and money on replacements.
Order now and experience flawless drilling across wood, metal, and composite materials!
Price: $ 3.69

