• 【Two-in-One Drilling & Chamfering】Complete drilling and chamfering operations in two simple steps, efficiently removing burrs while creating perfectly countersunk holes for screws.

• 【Replaceable Blade System】High-strength alloy blades with replaceable design extend tool life and maintain cutting performance, marked with positioning numbers for easy installation.

• 【Precision Aluminum Construction】Durable aluminum alloy body provides lightweight strength and corrosion resistance for long-lasting professional use.

• 【Anti-Slip Positioning Guide】Black guide sleeve with knurled metal ring ensures accurate depth control and prevents drill wandering for perfectly straight holes.

• 【Complete Tool Set】Includes drilling bit, chamfering cutter, positioning guide sleeve, and T-handle hex wrench for blade replacement and maintenance.

Specifications:

• Cutting Diameter: 20mm
• Total Length: 122mm
• Drill Bit Working Diameter: 19mm
• Chamfer Cutter Outer Diameter: 20mm
• Main Body Material: Aluminum Alloy
• Blade Material: High-Strength Alloy
• Shank Type: Hex Shank
• Guide Sleeve: Black with Heat Dissipation Holes
• Included Tools: T-Handle Hex Wrench
• Blade Design: Replaceable Square Blades with Center Threading