CAUTION: For wood, the maximum speed of an 8-inch hole saw is 50 RPM. For thin iron plates, the maximum speed is 20 RPM. Start drilling with a slow drill rotary speed, or the centre bit may be shattered on first use!
Material - The hole saw is made of bi-metal.This construction allows it to withstand high-impact applications and has tough teeth , ensuring durability and toughness for long service life.
Dimension-Cutting Dia: 8"/203mm; Shank Diameter : 10mm / 0.4";Cutting Depth : 25mm /1"; Package Content: 1pcs x Hole Saw + 3pcs x Pilot Drill Bit + 1pcs x Small L Wrench + 1pcs x Triangle Shank
Easy to Use -Sharp teeth and less vibration enable more stable operation, giving you superior control for a faster, cleaner, and more precise cut every time. The spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole.
Wide Application - This Hole Saw Drill Bit is designed for cutting multiple of materials including solid wood, compressed plate, plasterboard, plastic, plywood, and etc. Suitable for DIY home projects, professional renovations, and electrical or plumbing installations.