About this item

• 【Package Content】: 15 pcs professional brazed dry diamond hole saw: 6 mm (1/4")*2 ,8mm(5/16),10 mm (3/8"), 12 mm(1/2"), 20 mm (3/4"), 25 mm(1"), 32 mm(1-1/4"), 35 mm(1-3/8"),38mm(1-1/2"),45 mm (1-3/4"), 50 mm / (2"), 1 pc EVA mold precise positioner and 1pc hard storage bag,2Pcs 5mm Serrated Masonry Drill Bit & Ejector pin with positioning function.
• 【Advanced Diamond Brazing Technology】This 15-piece diamond core drill bit set features vacuum brazed diamond segments for exceptional durability and precision. The thickened diamond coating ensures high cutting strength, enabling smooth, stable drilling with minimal wear. The brazed steel construction resists corrosion and maintains sharpness, ideal for demanding materials like granite and marble .
• 【Dry/Wet Dual-Use Design】Engineered for both dry and wet drilling, these bits are heat-resistant and self-cooling. Without water, they withstand high-speed rotation, while adding water extends tool life and prevents overheating. Perfect for both residential and commercial applications requiring flexibility .
• 【Serrated Teeth for Efficient Chip Removal】The serrated design with multiple chip-clearing grooves ensures rapid dust discharge, reducing clogging and improving work efficiency. This sharp-toothed structure accelerates drilling through ceramics, glass, and hard composites while maintaining a clean, burr-free finish .
• 【Precision EVA Positioner Included】The included EVA mold guide jig forms a waterproof seal, securely clamping the hole saw to prevent slippage. Its bead-forming property ensures accurate positioning, minimizing damage to materials and workpieces during drilling .
• 【Versatile Application for Hard Surfaces】Suitable for ceramic tiles, glass (excluding tempered), marble, granite, terrazzo,this set meets diverse project needs. The 15 sizes (6mm–50mm) accommodate everything from small fixtures to large openings, with a 1/4" hex shank for compatibility with standard drills

Overview

• Material: Alloy Steel
• Brand: METOTY
• Color: Red
• Style: Industrial
• Compatible Devices: Standard Drills
• Number of Items: 15
• Set Name: Diamond Hole Saw Drill Bit Set