YIXISI 5 PCS 8mm HSS Countersink Drill Bit Set, Woodworking Chamfer Counter Bit, Tapered Drill Bit for Wood Drilling, with Hex Wrench and Screw

• Package Includes: 5pcs drill bits, 5pcs hex wrenches and 5pcs screws. Drill bits of different sizes can meet your different needs. Size: 2.8 × 8 mm, 3.0 × 8 mm, 3.2 × 8 mm, 3.5 × 8 mm, 4.0 × 8 mm.
• High Quality: Made of high quality alloy steel, with higher precision, higher hardness, faster cutting speed and strong force than ordinary drill bits.
• Removable & Adjustable: Use the included hex wrench to remove the screw and adjust the length of the countersunk hole to adjust the drilling length of screws of various lengths.
• Practical Function: The spiral flute with a center drill will quickly discharge chips from the hole. It can effectively prevent the accumulation of debris retention and improve drilling efficiency.
• Wide Application: Suitable for punching holes of wood material, ideal hole punching drill for solid board, chipboard, plywood, MDF. Fitted for plastic, soft metal, fiberboard, etc. as well.

Specification: Drilling material: HSS Blade Material: Tungsten Steel Colour: silver and orange. Shaft type: round. Shank diameter: 8 mm. Shank diameter: 8 mm. Size: (diameter of central drill x counterbore diameter) - 2.8 × 8 mm - 3.0 × 8 mm - 3.2 × 8 mm - 3.5 × 8 mm - 4.0 × 8 mm Package includes: 5 × Router Bit 5 × Hex Wrench 5 × screws