45° Marble Drill Bit with Low Cutting Resistance, Suitable for Stone, Ceramic, Glass, 90mm, for Marble. (90mm)

[Versatile Use] Suitable for bench drills, hand drills, and drill presses (excluding impact drills). The segmented design reduces cutting resistance for easy chip removal. [Precise and Stable] The universal triangular shank prevents slippage and provides high torsional strength. The long oval design improves chip evacuation for efficient drilling. [Efficient Drilling] Position at a 45° angle and drill vertically at 800-1000 RPM for smooth operation. Avoid high speeds and use on stone, ceramic, and glass with water cooling. [Water Cooling System] Ensure continuous cooling by adding water during drilling to prevent overheating. Improves durability and extends tool life. [Chips Removal Design] A dedicated chip removal hole ensures clean drilling. The oval shape promotes efficient chip ejection for a smooth drilling experience.

Specification:

Item Type: Hole Opener
Optional: 90 mm, 100 mm
Opener Model Overall Product Length Handle Length Handle Diameter Working Depth
90 mm / 3.5 in 80 mm / 3.1 in 5 mm / 0.2 in 9.4 mm / 0.4 in 54 mm / 2.1 in
100 mm / 3.9 in 80 mm / 3.1 in 5 mm / 0.2 in 9.4 mm / 0.4 in 54 mm / 2.1 in


Package List:
1 x Hole Opener