Gun Drills With Brazed Solid Carbide Tip

The gundrill with brazed solid carbide tip is including single flute gun drill and twin flute gun drill. The single flute gun drill use drill tip, drill tube and driver welding together. According to the different material need to be drill will choose different carbide material for reasonable tool design. The drill tip use solid carbide. The tip is welded with the drill tube after heat treatment then weld with the finely polish steel driver. For special material of workpiece drill tip can also be treat with different coating.

Twin flute gun drill has two symmetrical cutting blades, which has the same cutting flute circulation system as the single flute gun drill. The cutting flute is supplied from two oil inlet holes on the cutting blades. Cutting oil mix with chip removal from “V” groove of the drill tube. The drill use drill tip, drill tube and drill driver to weld together also can make full solid carbide drill. How ever due to the limited chip removal space of twin flute gun drill so it is only suitable for drilling easy cutting material.