Specifications: Material: tungsten carbide-cobalt alloy Surface treatment: Ti Shank Diameter: 3.175 Full length: 38mm 001: Bit diameter : 0.3mm 002: Bit diameter : 0.4mm 003: Bit diameter: 0.5mm 004: Bit diameter : 0.6mm 005: Bit diameter : 0.7mm 006: Bit diameter : 0.8mm 007: Bit diameter: 0.9mm 008: Bit diameter : 1.0mm Package Included: 8pcs CNC Titanium Micro drill bits.
eBay