Melodia

A drill is a rotary tool with cutting ability at the head end Twist Drill Bit Manufacturing process: Generally, carbon steel SK, or high-speed steel SKH2, SKH3 and other materials are milled or rolled and then quenched, tempered, and then ground Production use: It is widely used in the drilling of metal or other materials, […]

Taper Shank Twist Drill Bit is a Production Process Using Milling and Extrusion Taper shank drill bit drill through holes or blind holes in solid materials and can expand the existing holes It is widely use hole processing tool, usually with a diameter ranging from 0.25 to 80 mm What Principle Should be Used When

A broca central foi usada em tornos por alguns anos e foi usada para fazer o furo central das peças do eixo