3Pcs HSS Step Drill Bit Set Titanium Coated Cone Hole Cutter Tool 4-12/20/32mm
$ 6.34
Description
3Pcs HSS Step Drill Bit Set Titanium Coated Cone Hole Cutter Tool 4-12/20/32mm. Durable & Long - Lasting : HSS 4241 + titanium coating resist wear, even on tough materials like steel and brass. 3 - Piece Hex Shank Titanium - Coated Step Drill Bits Set (3 - 12mm, 4 - 12mm, 4 - 20mm). 3 - Piece Hex Shank Titanium - Coated Step Drill Bits Set (3 - 12mm, 4 - 12mm, 4 - 20mm) 🔧 Product Overview This 3 - piece step drill set is engineered for versatile drilling and hole - enlarging tasks. With hex shanks for universal compatibility and titanium coating for durability, it simplifies precision drilling across multiple materials. 📏 Specifications Model Diameter Range Length Hex Shank (Standard) 3 - 12mm 3mm → 12mm 67mm (2.64") 6.3mm (1/4") 4 - 12mm 4mm → 12mm 75mm (2.95") 6.3mm (1/4") 4 - 20mm 4mm → 20mm 72mm (2.83") 6.3mm (1/4") ✨ Material & Coating Core Material: High - speed steel (HSS 4241) — Offers excellent hardness and heat resistance for long - term use. Surface Treatment: Titanium coating enhances wear resistance, corrosion resistance, and reduces friction during drilling. 🔩 Design Features Step - Shaped Structure:Each drill features graduated steps , allowing you to drill multiple hole sizes with a single bit. Clear markings on each step ensure precise diameter control. Hex Shank:The 1/4" hex shank prevents slipping in drills, compatible with bench drills, hand drills, and cordless drills for maximum versatility. 🚀 Performance Advantages Multi - Size Efficiency: Eliminates the need to switch bits frequently—one drill handles a range of diameters. Precision Drilling: Step markings and sharp cutting edges ensure clean, accurate holes. Durable & Long - Lasting: HSS 4241 + titanium coating resist wear, even on tough materials like steel and brass. Wide Material Compatibility: Drills through sheet metal, steel plates, aluminum, brass, wood, plastic, and more. 🛠️ Ideal Use Cases Metalworking: Create holes in sheet metal, steel, or aluminum panels. Woodworking: Drill precision holes in wood for joinery or DIY projects. DIY & Repairs: Perfect for enlarging existing holes in furniture, fixtures, or automotive parts. 📌 Usage Tips Secure your workpiece to prevent movement. Start drilling from the smallest step and progress upward. Maintain a steady speed and apply light pressure; clear chips regularly for smooth drilling. This step drill set combines versatility, precision, and durability—an essential addition to any toolbox for professionals and DIY enthusiasts alike! 🛠️✨
