Concrete Drill kit 11PCS, LAIWEI Hole Cutter 30mm, 40mm, 68mm, 80mm, 100mm. with 3 SDS bits and 2 x 300mm adapters, Hexagonal Spanner

Concrete Drill kit 11PCS, LAIWEI Hole Cutter 30mm, 40mm, 68mm, 80mm, 100mm. with 3 SDS bits and 2 x 300mm adapters, Hexagonal Spanner

⭐ LAIWEI concrete drill kit with 5 different hole cutter sizes: 30mm hole saw, 40mm hole saw, 68mm hole saw, 80mm hole saw, 100mm hole saw, 3 SDS guide bits, 1 x 300mm*10mm extension, 1 x 300mm*18mm extension , 1 x bolt spanner. ⭐ The hole saws are made of high quality 45# steel with carbide tungsten tips, heat treated and hardened for robustness and durability. Carbide tip combined with an optimised design with two large chip evacuation ports on both sides of the coring bit for smoother chip evacuation and higher drilling performance ⭐ Carbide hollow hole cutter: easy to operate, easy to use, fast perforation, ideal for cutting clean holes in concrete, brick walls, red bricks, masonry walls, foam bricks and block work. Can be used to install air conditioners, extractor hoods or washing machines. Note: Do not use steel, tiles or stone. ⭐ Drill core applications: Widely used for the installation of air conditioners, oil and sewer pipe openings, etc. ⭐Note: The opener and connecting rod must be used together to penetrate the wall. During use, apply even pressure and keep the machine steady to prevent danger. It is recommended to wear goggles and gloves when working. LAIWEI Concrete Drill Bit kit 11pcs Colour: silver LAIWEI concrete drill set with 5 different sizes of hole cutter: 30mm, 40mm, 68mm, 80mm, 100mm, 3 SDS pilot bits, 1 x 300mm*10mm extension, 1 x 300mm*18mm extension, 1 x bolt spanner. Made of high quality 45# steel and carbide tungsten tips, heat treated and hardened for robustness and durability. Hole saw made of high quality 45# steel and carbide tungsten tips, heat treated and hardened for robustness. The carbide tip incorporates an optimised design with two large chip evacuation ports on both sides of the core drill bit for smoother chip evacuation and higher drilling performance Carbide hollow hole bits: easy to operate, easy to use and fast to pierce, ideal for cutting clean holes in concrete, brick walls, red brick, masonry walls, foam blocks and block work. It can be used to install air conditioners, extractor hoods or washing machines. Note: Do not use steel, tiles or stone. Concrete drill applications. Widely used for installing air conditioners, oil drainage pipes and downpipe openings. Cautions. 1. The opener and connecting rod must be used together to penetrate walls. 2. After closing the impact drill mode and drilling into the wall, the positioning drill can be removed and the hole reopened. 3. The hole opener cannot be used on load-bearing walls or walls with reinforcement. 4. This hole opener bit cannot be used with impact drills and hand drills with 3-jaw chuck. 5. To support the drilling performance, chips can be removed by moving the drill bit back and forth. The hole opener and the connecting rod must be used together in order to penetrate walls. During use, the forces should be even and the machine should be stable to prevent danger. It is recommended that goggles and gloves are worn when working. What else can I do for LAIWEI? 7x24 customer service.