vidaXL Dry and Wet Diamond Core Drill Bit - 202mmx400mm - for Granite, Hard Stone, Concrete, and Reinforced Concrete - Durable Construction - 6.63kg

【Package Includes】: Each delivery comes with 1 diamond core drill bit, ready for immediate use 【Versatile Drilling】: Ideal for use with electric core drills; a versatile tool for both professional and DIY projects 【Diamond-studded Drill Bit】: Studded with durable diamonds for efficient drilling through hard surfaces such as granite, concrete, and hard stone 【Construction Grade Quality】: Crafted with reinforced construction, ensuring smooth operation of drills and long-lasting use 【Multiple Sizing】: 202 mm x 400 mm size with a 7mm segment height; we also offer additional sizes for various drilling needs