Step Drill Bit SET 4-32mm / 3-20mm 1/4 Inch Titanium Coated Hex Shank Non-stop Drilling Bit No need to stop in the middle of the drilling and check. Step drill bits are used to drill perfectly round holes of multiple sizes in wood, composition board, plastics and other materials [Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market. 4MM - 32MM STEP DRILL BIT TITANIUM COATED TOLSEN - Leonard S. Browne This one step bit comes with 4 marked sizes so you can drill 4 different hole sizes, saving you time and efforts to change bits. [Heavy duty]: Cuts holes on Stainless steel (need appropriate pressure), Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials., Up to 12ga /2., 7mm thickness for Stainless steel. Jefferson m2 step drill 4-20mm | Nephin Tractors Jerax Tools Step Drill Bit-M2-Metric-4-32MM-2SP Our additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better. [M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits.
