1.8mm Diamond Wire Hollow Core Drill, 20pcs – Precision Thin-Wall Coring for Glass, Stone & Ceramic

The 1.8mm Diamond Wire Hollow Core Drill 20-piece set is engineered for high-precision micro-coring and delicate drilling in glass, stone, ceramic, jade, agate, and lapidary materials. The thin-wall hollow wire design ensures minimal material loss, reduced cutting resistance, and smooth debris extraction.

Key Features

• Thin-Wall Hollow Design: Delivers clean core extraction with minimal chipping on delicate workpieces.
• Premium Electroplated Diamond: Uniformly coated diamond grit ensures consistent cutting efficiency and durability.
• Rotary Tool Compatibility: Features a standard 2.35mm shank compatible with standard high-speed rotary tools, flexible shafts, and bench drill presses.
• 20-Piece Bulk Value: Ideal for jewelry making, gemstone carving, glass crafting, and scientific applications.

Specifications

• Outer Diameter: 1.8 mm
• Shank Diameter: 2.35 mm
• Quantity: 20 pieces
• Abrasive: Electroplated Diamond
• Primary Applications: Glass, stone, ceramic, jade, agate, porcelain
• Operation Note: Wet drilling with water cooling is recommended for optimal cutting performance and tool longevity.