HSS Carbide Tipped (Long ) Cutter Dia 2 Flutes Designed To Make Professional Flat Bottom Holes 5×9×100mm

Description: The big hole is not completely flat and has a certain curvature.Because the temperature of the hand-polished is not controlled the the edge will be partially . Used for drilling in woodworking in preference to and flat bits whenever a very clean and precise hole is required. Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole is required. 2 Flutes Designed to make professional flat bottom holes and holes. Can open any hole on various wood products plastics plywood and other materials.Designed to make professional flat-bottom holes and holes. Specification: Material: high speed steel Color: Package Includes: 1 Piece Woodworking salad drill step drill bit drill Note: Manual production the size has a certain error the error is ±0.4mm and the larger the size the larger the specification error may