Features: Engineered with 5 flute design and precise ground 82 degree tip, this hex shank countersink drill bit ensures smooth, vibration free drilling in medium hard materials like stainless steel and hardwood. The hexagonal handle provide a secure, non slip grip during operation, while the multi flute structure minimizes vibration for extended bit lifespan and cleaner holes. Ideal for professional metalworkers, carpenters, and DIYer enthusiasts requiring precise hole drilling in metal, wood, and composite materials. Perfect for workshop projects, furniture assembly, and metal fabrication tasks demanding accurate countersinking in stainless steel, aluminum, and hardwood surfaces. Complete with five sizes (1/4" to 3/4"), this countersink drill bit set offers various solution for various screw head preparations across multiple material types. Specifications: Component:Metal Product Name: 5-pack 82-degree hexagonal handle five-blade chamfering device-English Product specifications: 3/4", 5/8", 1/2", 3/8", 1/4" Product purpose: used for chamfering processing of plastic, wood, soft metal sheets Package Includes: 1 Set Countersink Chamfer Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.