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Subland twist drills with Morse taper shanks for holes prior to tapping screw threads

Subland twist drills with Morse taper shanks for holes prior to tapping screw threads

Subland twist drills for holes prior to tapping screw threads

Overview ISO 3438:2013 - Subland twist drills for holes prior to tapping screw threads - specifies standardized dimensions and tolerances for subland (stepped) twist drills used to create pilot holes…

Subland twist drills for holes prior to tapping screw threads.