• 【Two-Step Drilling & Chamfering】Innovative design combines drilling and chamfering in one tool, allowing you to drill precise holes and create smooth beveled edges in a simple two-step process.

• 【Aluminum Alloy Construction】Durable lightweight aluminum alloy body with high-strength alloy steel blades provides excellent wear resistance and long-lasting performance.

• 【Replaceable Blade System】Features replaceable blade design with included T-handle wrench for easy blade changes, ensuring cost-effective maintenance and extended tool life.

• 【Anti-Slip Positioning Guide】Integrated black guide base with non-slip design and positioning limit cover ensures straight, accurate holes without deviation when using handheld drills.

• 【Complete Accessory Kit】Comes with all necessary components including drill bit, expandable reamer body, guide base, and disassembly tools for immediate use.

Specifications:

• Drilling Diameter: 19mm/20mm
• Total Length: 90mm
• Material: Aluminum Alloy Body, High-Strength Alloy Steel Blades
• Blade Type: Replaceable Single Blade
• Guide Base: Black with Anti-Slip Design
• Installation: Standard Drill Chuck Compatible
• Operation: Two-Step Process (Drilling + Chamfering)
• Chip Removal: 3 Oval Ventilation Holes