Weldon Shank Cutter 1 Inch Depth OSCARBIDE Carbide TCT Annular Cutter Set 13 Pcs,3/4"Weldon Shank,1-3/8"Cutting Magnetic Drill Bit With Pilot Pin These HSS Slugger Bit ability to re-sharpen and burr-free holes and smooth holes, resulting in less scrap and wastage of material,has higher accuracy and multiple cutting edges for ply-cutting and lower friction to reach better performance of endurance and removal of chips. OSCARBIDE Annular Cutter Set 13pieces 2 Cutting Depth 34 Weldon Shank and 716 to 1116 inch Cutting Diameter Mag Drill Bits for Magnetic Drill Press with 2pcs Pilot Pins These annular cutters are suitable for working with both ferrous and non-ferrous metals,cast iron, stainless steel, aluminum, copper, and plastic,wood, in either plate or pipe form. Magnetic Drill Bits OSCARBIDE 15/16x1Annular Cutter,3/4 Inch Weldon Shank,15/16 Inch Cutting OSCARBIDE Annular Cutter 3/4 inch Cutting Diameter,1 inch Depth of Cut,3/4 inch Weldon Shank 2 Flat Mag Drill Bit with Pilot Pin for Magnetic Drill Press,1 Piece Mild & Structural Steel Hole processing field such as engineering,rail transit, bridges, ships, machinery manufacturing, aerospace.