About this item

• High-Quality Diamond Hole-Saw Bits: Premium 3-1/2" diamond-tipped hole saws plus guiding pilot drill bits centrally placed for precision drilling on various hard surfaces.
• Versatile Material Compatibility: Ideal for creating smooth, clean holes in ceramic, pottery, porcelain tile, granite, stone, glass bottles, concrete countertops, and brickwork.
• Enhanced Durability and Performance: The wet/dry diamond core design, along with water cooling, significantly extends the life of the bits. Perfect for both professional contractors and DIY enthusiasts.
• Efficient Drilling Design: Features a 3/8" triangle shank for better chuck grip, 3/8" diamond height, a cutting depth of 1-3/8", and a total length of 2-1/2"Engineered for easy and fast drilling, minimizing work effort and time.
• Instructions for Use: Start with the pilot bit for exact positioning, then remove the pilot bit, and use the main diamond hole saw in a wobbling motion to facilitate debris removal and achieve perfect holes with minimal force.
• High-Quality Diamond Hole-Saw Bits: Premium 3-1/2" diamond-tipped hole saws plus guiding pilot drill bits centrally placed for precision drilling on various hard surfaces.
• Versatile Material Compatibility: Ideal for creating smooth, clean holes in ceramic, pottery, porcelain tile, granite, stone, glass bottles, concrete countertops, and brickwork.
• Enhanced Durability and Performance: The wet/dry diamond core design, along with water cooling, significantly extends the life of the bits. Perfect for both professional contractors and DIY enthusiasts.
• Efficient Drilling Design: Features a 3/8" triangle shank for better chuck grip, 3/8" diamond height, a cutting depth of 1-3/8", and a total length of 2-1/2"Engineered for easy and fast drilling, minimizing work effort and time.
• Instructions for Use: Start with the pilot bit for exact positioning, then remove the pilot bit, and use the main diamond hole saw in a wobbling motion to facilitate debris removal and achieve perfect holes with minimal force.
• 1-3/4" X 1Pcs
• 1-3/4" X 2Pcs