5-Piece Hole Saw Set, HSS Cobalt Core Drill Bits Ø16 to 30mm, For Wood, Metal, Plastic, Stainless Steel, High Precision

【SUPERIOR MATERIAL】 FLINTRONIC HSS high-speed steel hole saw, which boasts high hardness and wear resistance. After high-density grinding and premium heat treatment, it offers high strength and precision for smooth cutting.

【5-PIECE HOLE SAW SET】 16 mm / 0.6 in, 18.5 mm / 0.7 in, 20 mm / 0.8 in, 25 mm / 1 in, 30 mm / 1.2 in; Length: 65 mm / 2.55 in, Diameter: 9 mm / 0.35 in; 5-piece hole cutter set. The hole saws are individually packaged in a plastic box. Each comes with its own Allen key for removing the pilot drill bit. The drill bit also unscrews from the shank.

【HIGH EFFICIENCY】 Cuts quickly with sharp, high-hardness blades. In just minutes, the HSS hole saw kit precisely cuts holes in laminates made of steel, stainless steel, iron, copper, brass, aluminum, fiberglass, Formica, etc.

【SMART DESIGN】 The hole cutters use a spring-loaded design that is perfect for chip removal, resulting in superior drilling efficiency. Importantly, the handle adopts a hexagonal design, making the drill more stable and completely preventing slippage during use.

【WIDE APPLICATION】 The hole saws are designed For thinner steel drill bits. They can be perfectly installed on locks, knobs on doors and cabinets, or larger diameter holes. They are also suitable for bench drills, electromagnetic drills, pistol drills, and impact drills. It is also suitable for stainless steel plates, square tubing, iron, cast iron, wood, etc.

Specifications:

Material: HSS6542.

Hardness: HRC 65.

Surface treatment: Titanium coating.

Type: Hole saw.

Hole saw diameter: 16 mm, 18.5 mm, 20 mm, 25 mm, 30 mm.

Shaft diameter: 9 mm.

Drilling depth: 6 mm.

Hole saw blade length: 65 mm.

Package dimensions: 10.5 x 9 x 6.5 cm.

Package weight: 308 g g.

Application: Widely used in bench drills and electric drill chucks for machine tools, etc.

Warning and Precautions:

1. Use oil or water to lower the temperature before drilling hard materials (such as steel, stainless steel, etc.). Otherwise, the drill bit may break at high temperatures.

2. Wear safety glasses to protect your eyes; please wear a protective mask when working upwards.

3. Please wear earplugs when you need to work for extended periods to reduce the impact of noise.

4. Remove the rust-preventative oil after use for a longer service life.

5. Please choose a lower speed when cutting continuously.

6. Please do not allow the edge of the hole saw to make a violent or strong impact during cutting, to avoid breaking the blades.

7. Please use coolant when working on hard materials.

8. There may be a slight difference in weight and