6-35mm HSS Titanium Coated Step Drill Bit Steel Wood Hole Cutter Step Cone Drill. Material: HSS(High Speed Steel) Shank: Hex Shank Shank Dia: 6mm Shank Length: 30mm Overall Length: 110mm Size: 6-35mm( 6-8-10-12-16-18-20-22-25-28-30-32-35mm) 13 Step. The ladder of its unique structure, a bit can open a variety of specifications of aperture.. Condition:: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Type: : Step Drill Bit , Brand: : HSS , 。