3pcs HSS 1/4 Inch Hex Shank Titanium Coated Step Cone Drill Bit Set in Pouch

Description 3pcs HSS1 4 Inch Hex Shank Titanium CoatedStepConeDrill Bit Setin PouchSpecification Surface Titanium CoatedType Straight Flute Spiral GrooveHandle 1 4 Inch Hexagon ShankMaterial High Speed Steel Used for the hardness of the material which is below 25 like iron borad steel board PVC board Insulation board etc Size Inch Drilling Range inch Hole mm Height mm Straight Flute Height mm Spiral Groove Height of Shank MM Shank Diameter inch 3 16 1 23 16 1 4 5 16 3 8 7 16 1 268887241 41 8 1 21 8 5 32 7 32 1 4 9 32 5 16 11 32 3 8 13 32 7 16 15 32 1 21275751 4 3 41 4 5 16 3 8 7 16 1 2 9 16 5 8 11 16 3 497372Features Products for automotive processing aerospace sheet metal processing installation and maintenance of electrical and other industries high altitude operations with hand drills and other tools Usable Scop thin iron plate aluminum insulation panels PVC panels 4mm thickness within the timber Package Included 1 x Set 3pcs Step Drill Bitin PouchMore Deatils