Insert drill bit DR-DH

for steelcarbidefor aeronautics

ISCAR is introducing long drills for a drilling depth-to-diameter ratio of 7XD and up, to be used on standard horizontal milling centers, turning, and multi-task machines. Use of supplementary machine and setup can be avoided. The new drills will be available as semi-standard items in the diameter range of 25.4 to 69.5 mm (1.00 - 2.73”). Drill Features High feed drilling: up to 0.35 mm/rev for high productivity Excellent surface quality: Ra = 0.6 – 2.0 [μm] Good hole cylindricity: 50-80 [μm] Hole tolerance: IT10 Large drilling depth: L=5xD and higher – up to 800 mm Carries standard SOMX/SOMT indexable inserts with 4 cutting edges No dedicated machine or extra setup needed Standard coolant pressure as used in general drilling Standard indexable, double ended guiding pads Used for steel (ISO P) and cast iron (ISO K) materials