Hole Saw Kit 30mm 40mm 50mm 65mm with 3 Core Drills Hole Opener Cutter for Concrete Cement Brick Wall Drilling

Feature: 1. EXCELLENT METAL: The concrete hole saw is made of excellent metal, with high strength and impact resisting, helping you quickly drill holes, and has a long service life. 2. APPLICABLE MATERIAL: This hole saw kit can be applied for drilling stones, cement, bricks, and other materials., suitable for air conditioning, water pipes, and water heaters installation. 3. HIGH EFFICIENCY: The incisive carbide head has a fine grinding angle of 135 degree, making it easy to cut into wall, achieving fast drilling and improving work efficiency. 4. FAST CHIP REMOVAL: These hole opener saws have 3 blade teeth and chip removal hole design, which quickly removes internal and external scratches during drilling. 5. SPECIFICATIONS: Including 4pcs hole saws, with 30mm, 40mm, 50mm, 65mm drilling Diameter and 50mm drilling depth, equipped with a connecting rod and 3pcs core drills. Specification: Item Type: Hole Saw Kit Material: 45 Steel Cutting Body, YG8C Cutting Head Application: Concrete wall, mixed brick wall, brick wall drilling Opening Diameter: Approx. 30mm 1.2in, 40mm 1.6in, 50mm 2in, 65mm 2.6in Opening Depth: Approx. 50mm 2 inch Shank: For SDS PLUS, Length: 220mm 8.7in (not include center core drill). Package List: 4 x Hole Saws1 x Connecting Rod3 x Center Core Drills 1 x Hex Wrench1 x Storage Box (Random Color) Note: There is a slight error in size.