Description: High quality reaming bit can remove burrs well without leaving scratches, compatible with all kinds of ordinary drills and drill machine, including vertical drill. Set of 6 3-flute 90 Degree Reaming Bit Drill Bits is suitable for processing metal and some non-metallic materials, such as carbon steel, stainless steel, stainless steel, thin iron plate, insulation board, pvc board, aluminum, hard and soft wood, plastic and so on. The reaming bit set with titanium coating is very sharp, with high accuracy and durability of circular machining. Specification:Item: HSS Drilling & Chamfering Bit SetType: Wooden Drill BitMaterial: 4341 High Speed Steel Finish: Titanium CoatedHead Diameter*Shank Diameter*Length:6.3MM: 6.3mm*5mm*45mm8.3MM: 8.3mm*6mm*50mm10.4MM: 10.4mm*6mm*50mm12.4MM: 12.4mm*8mm*52mm16.5MM: 16.5mm*10mm*60mm20.5MM: 20.5mm*10mm*65mmQuantity: 6pcsPackage Included:6pcs Drill BitNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.