Makita D-78455 Glass Drill Bit 8 mm Total Length 58 mm 1 Piece

The Makita D-78455 is a high-quality glass and tile drill bit designed for precise, chip-free drilling in brittle materials. With a diameter of 8 mm and a total length of 58 mm, this carbide-tipped bit features a spear point tip for clean holes in glass, tiles, ceramics, and porcelain. Ideal for wet drilling applications, it ensures extended durability and corrosion resistance.

Advantages

Carbide-tipped construction provides long-lasting sharpness and heat resistance. The diamond-ground spear point minimizes chipping and ensures accurate starts. Compatible with rotary and cordless drills with a 3-jaw chuck.

Suitable for

• Drilling in glass, tiles, ceramics, and porcelain
• Wet drilling with water or coolant for optimal performance
• Precision holes for fixtures, mirrors, and tile installations

Key specifications

• Drill Bit Type: Glass and Tile Drill Bit
• Diameter: 8 mm
• Total Length: 58 mm
• Shank: Cylindrical, 8 mm
• Tip: Spear Point / Diamond Ground
• Material: Carbide-tipped
• Pack Quantity: 1 piece
• Series: Makita D-Series
• Color: Silver/Grey

Recommendations

For best results, use with a drill set to low speed and apply steady, gentle pressure. Always use water or coolant to reduce heat and extend bit life. Suitable for Makita and other power drills with a standard chuck.