metal hole saw set LAIWEI M35 7PCS cutter kit, 7 sizes: 16 18 20 22 28 30 32 35mm, for drilling

Metal hole saw set contains 7 hole saws: HSS hole cutter 16mm, HSS hole cutter 18mm, HSS hole cutter 20mm, HSS hole cutter 22mm, HSS hole cutter 28mm, HSS hole cutter 30mm, HSS hole cutter 35mm. 2 connecting rods with drill bits, 2 spanners, 1 box. LAIWEI hole cutter is made of high quality M35 high speed steel with excellent hardness, sharpness, toughness, wear resistance, impact resistance and durability. The HSS milling machine centre drill is equipped with a spring that reduces impact during penetration and prevents damage to the insert for safe drilling. The cut out residue is extruded, reducing the time and effort required to remove the residue. The M35 drill is used for drilling holes in metal materials such as thin iron plates, thin stainless steel plates, and thin aluminium plates. 【Usage scope】 Stainless steel plate within 2mm thickness, other metal plates within 3.0mm thickness. [Compatible models] Electric drill, cordless drill driver. If precision is required, use a drill or drill stand to drill holes. [CAUTION] Start cutting from low speed rotation. Be sure to use it perpendicular to the assembly. Do not tilt the drill in the centre. Sprinkle cutting oil or water on it when cutting metal. Wear protective equipment such as goggles and gloves when using.