3PC Titanium Plated Step Drill 3-12/4-12/4-20mm Hexagonal Handle Straight Groove Pagoda Drill Hole Drill Tool Bag Set

🔩 Step Drill Bit Set – 3 Sizes for Multi-Diameter Drilling
📐 Sizes Included:
• 10-step bit: 4–20mm (Length: 72mm)
• 13-step bit: 3–16mm (Length: 68mm)
• 9-step bit: 4–12mm (Length: 43mm)
🔧 Shank: 6.35mm hex (¼ inch) – fits standard drill chucks
🛠️ Material Compatibility: Metal, plastic, wood
📊 Step-marked for precise hole sizing
🎯 Ideal for DIY, workshop, and professional use
📌 Note: Minor measurement variations may occur due to technique

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