Rannb Hole Saw 7-inch Dia Hole Cutter Drill Bit for Drilling Holes in Wood, Plastic, Drywall, Thin Metal

• Material-The hole saw is made of BI-metal that is durable and tough.
• Dimension-Cutting Dia: 7"/178mm; Shank Diameter : 10mm / 0.4";Cutting Depth : 25mm /1"
• 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.

Dimension Cutting Dia:7"/178mm Cutting Depth : Approx. 25mm / 1" Shank Diameter : 10mm/0.393"(Angle to Angle) Package Content 1 x Hole Saw 1 x Hex Shank 3 x Pilot Drill Bit 1 x Small L Wrench Please Note 1. Hole saw may become overheated and get damaged or even burned up due to fast rotary friction, we suggest customers to use coolant to keep the hole saw cold during usage. 2. Please remove the spring on the pilot bit when you are drilling a hole on the materials with over 10mm thick. 3. Keep the drill be stable when drilling, otherwise the centre bit may get snapped due to excessive shaking. 4. Start drilling with a slow drill rotary speed, or the centre bit may be shattered on first use. 5. Please make adequate personal protection well before using the product.