Presa ST-243 Titanium Step Drill Bit
This 3/8-inch shank has 3 slip-resistant flat sides and a double flute for convenience. It's ideal for drilling in steel, copper, stainless steel, plastic, aluminum and other thin materials. Walking and center punch are not necessary. Includes step sizes: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8-inch.
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