These high-speed diamond twist drills have a medium-fine grit diamond coating fused to the tips for drilling stone, ceramic, glass and other hard non-metallic materials.

Specifications

These diamond drills are made from superior high-grade steel.

Available Diameters

Drill size indicated below is before diamond coating.

• Drill #36: 0.1065"" (2.705 mm) diameter
• Drill #40: 0.0982"" (2.489 mm) diameter
• Drill #45: 0.0820" (2.083 mm) diameter
• Drill #47: 0.0785" (1.994 mm) diameter
• Drill #50: 0.0700" (1.778 mm) diameter
• Drill #51: 0.0670" (1.702 mm) diameter
• Drill #52: 0.0635" (1.613 mm) diameter
• Drill #53: 0.0595" (1.512 mm) diameter
• Drill #54: 0.0550" (1.397 mm) diameter
• Drill #56: 0.0456" (1.181 mm) diameter
• Drill #61: 0.0390" (0.990 mm) diameter
• Drill #65: 0.0350" (0.889 mm) diameter