Laiwei 2.1 Inch Bi-Metal Hole Saw (53mm) for Wood & Metal | High-Speed Steel Impact-Resistant Cutting Tool

• Dimensions — 2.1 inch hole saw (53mm hole cutter) 83 mm overall length, 1.2 mm blade thickness, 10 mm shaft diameter, 6 mm center drill diameter.
• Material — Bimetal hole saw blade is made of high quality high speed steel, sharp, corrosion resistant, wear resistant and durable. The center drill is made of 4341 high quality steel, and the blade is made of high quality M42 cobalt-containing high-speed steel, which has good workability and toughness.
• FEATURES — LAIWEI Hole Drill's HSS blades are electron beam welded for high cutting performance. The HSS center drill has a spring that pushes out chips, which reduces the time and effort needed for chip removal, reduces impact when drilling, and prevents damage to the insert and hole.
• Usage — Can be used for drilling gypsum board, plastic, wood, plywood, thin aluminum board, etc. Suitable for handheld electric drill and cordless electric drill. If precision is required, please use a table drill or electric drill stand to drill holes.
• Note — Hole saw cutting starts from low speed rotation. Be sure to use perpendicular to the component. Do not tilt the drill bit in the center. When cutting metal, apply cutting oil or water. Please wear protective equipment such as goggles and gloves when using it.

• Prepare the drill and safety gear — Wear goggles and gloves. Attach the arbor and center drill to your drill. Ensure the drill is set to low speed for metal or wood.
• Align and start drilling — Position the blade perpendicular to the surface. Start at low speed, applying steady pressure. Use cutting oil for metal to prolong blade life.
• Complete the cut and clean — Once the hole is drilled, withdraw the drill, clean debris, and inspect the cut. Wear safety gear during removal.

Typical situations where Laiwei 2.1 Inch Bi-Metal Hole Saw (53mm) for Wood & Metal | High-Speed Steel Impact-Resistant Cutting Tool helps — illustrative scenarios, not customer reviews.