Makita 4-20mm TiN Coat Step Drill Bit (1/4" Hex) D-40521
Features:
Step Drill Bits provide the ability to increase hole sizes to specific diameters for pipes, conduits and wires without having to use a range of drill bits
Material - HSS Titanium Coated
Specifications:
Hole Capacity 4-20 mm
Step Increments 4, 6, 8, 10, 12, 14, 16, 18, 20 mm
Overall Length 75 mm
Speed 400 - 960 rpm
Shank Type 1/4" Hex (MZ)