USE Pass completely through to the other side FEATURES Burr-free lead screw for quick, on-target starts & smooth cutting. Energy saving 20% Up by special lead screw and cutting edge. https://www.starminfo.com/en/product/gimune/7m.html 6.35mm 20UP Specifications Usage Wood Material(s) High Carbon Steel Recommended tool(s) Electric Power DrillQuick Change Impact Driver (over 14.4v)Cordless Drill (over 14.4v) RPm Range Less than 3,000rpm Shank Shape Hexagon
