Roughing Step Drill for AS5202 Port Sizes

The Roughing Step Drill for AS5202 Port Sizes is a high-performance solid carbide tool designed to prepare the hole for reamer-style port tools by roughing the minor-thread and sealing diameters. Featuring a 140° self-centering point and a coolant-through design, it ensures accurate hole geometry and superior chip evacuation. The durable AlTiN+ coating extends tool life and thermal stability, making this drill an ideal first step in the AS5202 porting process.

AS5202 SizeS (Shank Diameter)OALD1D2L1L2FL (Flute Length)SL (Shank Length)AlTiN+ Tool #AlTiN+ EDP #
28 mm79 mm0.2600.3150.4990.491.291.82RD-AS5202-02A407036
310 mm89 mm0.3230.3760.5050.501.452.06RD-AS5202-03A407038
412 mm102 mm0.3770.4400.5610.561.662.35RD-AS5202-04A407040
514 mm107 mm0.4390.5030.5610.561.822.39RD-AS5202-05A407042
614 mm107 mm0.4970.5510.6030.601.982.23RD-AS5202-06A407044
820 mm108 mm0.6770.7550.7130.712.222.03RD-AS5202-08A407046