High-quality drill bit, Sierra set for drilling wood in Sierra, 15/20/25/35 mm

1. This new-design woodworking drill bit features a positioning function. The drilling depth can be adjusted from 10 to 50 mm, with five common opening diameters: 15/20/25/30/35 mm.

2. The holes are clean, flat, and free of chipping, with no vibration. 3. The small cutting edge increases drilling speed, and chips are easily removed. 4. It can be used to drill holes in various types of wood, wood products, plastics, plywood, and other materials. 5. The product is easy to install and use. Simply attach it to a standard hand drill.

Specifications: Features: This new-design woodworking drill bit features a positioning function. The drilling depth can be adjusted from 10 to 50 mm, with five common opening diameters: 15/20/25/30/35 mm.

The holes are clean, flat, and free of chipping, with no vibration. The cut is small, the drilling speed increases, and chips are easily extracted. It can be used to drill holes in various woods, wood products, plastics, plywood, and other materials. The product is easy to install and use. Simply attach it to a standard hand drill. Specification: Material: Carbide; Hole Depth Adjustment: 10~50mm; Total Drill Length: 78mm; Bit Length: 27mm; Bit Diameter: 7, 8mm; Opening Diameter: 15mm, 20mm, 25mm, 30mm, 35mm; Package Weight: Approx. 500g

Package List: 5 * Drill Bits, 2 * Hex Keys