EXFEIN Diamond Tile Drill Bit - 2pcs 20mm Diamond Hole Saw for Drilling Ceramic Porcelain Tile Marble Brick Granite M14 Thread Dry Core Drill Bit

• 【Size】Diameter 20mm; Total length 60mm; Diamond height 10mm; Working depth 40mm; Thread M14; Recommended RPM 6000, Max RPM 11000.
• 【Machine】Recommend M14 arbor angle grinder. If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.Do not use hammer mode.
• 【Performance】Lightning teeth design for debris and heat dispersion, better performance. Longer working life, wet and dry, lightning tooth design facilitates debris and heat dispersion, fast and smooth drilling, good drilling finishes, neat and smooth.
• 【Widely Use】Diamond Core Drill Bits can be used for dry/wet drilling ceramic, porcelain, tile, granite, marble, stone, masonry, block, brick, etc.
• 【Application】Designed to drill holes for faucet mounting holes in countertops and sinks.

Size Diameter 20mm; Total length 60mm; Diamond height 10mm; Working depth 40mm; Thread M14; Recommended RPM 6000, Max RPM 11000. Machine Recommend M14 arbor angle grinder. If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.Do not use hammer mode. Performance Lightning teeth design for debris and heat dispersion, better performance. Longer working life, wet and dry, lightning tooth design facilitates debris and heat dispersion, fast and smooth drilling, good drilling finishes, neat and smooth. Widely Use Diamond Core Drill Bits can be used for dry/wet drilling ceramic, porcelain, tile, granite, marble, stone, masonry, block, brick, etc. Application Designed to drill holes for faucet mounting holes in countertops and sinks.