1/4'' to 1-3/8'' Step Drill Bit

Easily drill holes of different diameters without changing drill bits with Grow1 Step Drill Bits. The titanium-coated Grow1 Step Drill Bits are ideal for drilling through a variety of materials, including plastic, wood, copper, and aluminum. Installing ebb and flow systems or creating your own hydroponic drip systems are two great uses for them. Perfectly drilled holes ranging in size from 1/4" to 1 3/8" can be produced with Grow1 Step Drill Bits.