CAUTION: For wood, the maximum speed of an 4-45/64-inch hole saw is 80 RPM. For thin iron plates, the maximum speed is 40 RPM. Start drilling with a slow drill rotary speed, or the centre bit may be shattered on first use!
Dimension-Cutting Dia: 4-45/64"/120mm; Shank Diameter : 10mm / 0.4";Cutting Height : 1.38"/35mm;Package Content:1 x Hole Saw +1 x Shank+3 x Pilot Drill Bit +1 x Small L Wrench
Application- This Hole Saw Drill Bit is designed for cutting solid board, compressed plate, plasterboard, plastic and etc. Good for home projects.
Sharp Teeth-The teeth is sharp and vibarition is less, which enable more stable operation and make the hole can be cut with quick speed and balance.
Spring Loaded Design-The spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole.