Alankar tools offers ef drills & reamers for use at high speeds. Ef solid carbide tools with coolant holes can be used with 150 to 350 m/min [for aluminium components] and with the feed rates as 0.1 to 0.75 mm per revolution when using on stable and rigid machining set up. Ef drills and ef reamers have surface finish on tooth land and face, to the extent of 0.03 to 0.05 ยต ra value. These are provided with a special geometry and no need of any coating for aluminium alloy machining application, available in both types - with internal coolant holes and without coolant holes. These tools have numerous advantages over usual carbide tipped/hss reamer and single point boring tools, including: simultaneous reaming and burnishing; used at very high speed and feed up to 350 m/min and feed 0.75 mm/rev; can be used in solid material or directly in core holes [as cast] without pre drilling; excellent surface finish due to burnishing effect; size consistency; roundness of hole is far superior; increase in density of the inner layer, there by avoiding deformation under severe working conditions during use of product; and easy resharpening. The company also manufactures fp/cs drills, subland drills, step drills; ef-gc reamers with burnishing effect and various solid carbide tools, brazed tip tools and hss tools.
