Calidad 3/16" Vacuum Brazed Dry Diamond Core Drill Bit "Needle D's 2.0"

"Needle D's 2.0"

These 5 mms (3/16") hexagon, 1/4" shank, solid steel Calidad quick bits are designed in the latest dry-cut diamond technology. These new and improved drill bits offer longer life, smaller holes, and smaller cutting while avoiding damaging the bits or the workpiece. 

• Vacuum Brazed Diamond Technology - High-strength diamonds for faster tile drilling; great for drilling clean holes to hard materials especially tiles, porcelain ground, granite ceramic glass mirror, marble stone masonry brick (not for wood. 
• Details - Diamond coating enhances the drilling speed; Depth mark is useful for the precise project; Including portable plastic storage cases for convenient use and storage.
• Start Tip - Exact start tip for a minimal bit of walking 
  
• Pressure - Ideal for relieving pressure on certain cuts 
• Dry Drilling Design - Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bit.
• Worry-Free & Assistance -- If you encounter any problems in using the products, please feel free to contact us for satisfactory customer service.