6.4 mm Dia. x 8 mm Shank 4 mm Flute Length x 79 mm OAL, 3xD, TiAlCN, 2 Flute, Coolant Thru, h6, Cylindrical, Solid Carbide Drill Series/List #NG11 MU061125719 - First Industrial Supplies
6pcs 16MM-6.4MM Hole Mortise Chisel Drill Bit Tools, HSS Woodworking Hole Saw Mortising Chisel Drill Bit Set, Different Sizes 1/4" 5/16" 3/8" 1/2" 9/16" 5/8" | Wish
Buy Exact 32173 HSS Metal twist drill bit 6.4 mm Total length 101 mm cut DIN 338 Cylinder shank 10 pc(s) | Conrad Electronic
CNC Drill Bit RH V-Point Carbide Tipped 6.4mm - CNC-Tool.com
Uxcell 6.4mm High Speed Steel Straight Shank Twist Drill Bit Fully Ground Titanium Coated 2 Pack - Walmart.com