12mm Diamond Hole Drill Bit Saw Bit for Marble/Ceramic/Glass/Granite

General Description

This 12mm diamond saw drill bit is designed for drilling hard materials such as marble, ceramic, glass, and granite. Its metal and diamond construction ensures high durability and performance. With a gold coating, it is rust-resistant and provides a clean, smooth cut without chipping or wobbling. This drill bit is ideal for drilling faucet mounting holes in stone countertops and for plumbing pipes in showers and vanities.

Technical Specifications

• Material: Metal and diamond
• Quantity: 1 piece
• Color: Gold
• Tool holder type: Triangular
• Cooling type: Internal cooling
• Cutting diameter: 5 mm
• Handle diameter: 6 mm
• Chip flute length: 1 mm
• Working length: 6 mm
• Overall length: 8.5 mm
• Angle at the top of the outer blade: 90°
• Size: 10-45 mm (10 mm / 12 mm / 16 mm / 18 mm / 20 mm / 22 mm) / 25 mm / 30 mm / 35 mm / 45 mm)

Usage

To prolong the life of the drill bit, it is recommended to use it with water for cooling and lubrication. When using with a hand-held electric drill, start slowly at a 45-degree angle, then move to the vertical position after making an initial mark.

Other Information

• Package includes: 1 x diamond core drill bit