Specification Brand : FTVOGUE BulletPoint1 : COATING: coating allows the tool to drill and tap on harder material. BulletPoint2 : EXQUISITE DESIGN: Spiral flute design for improved chip removal effect. BulletPoint3 : Combine drill bit and screw tap in one, high efficiency and handy. BulletPoint4 : PREMIUM MATERIAL: These screw taps are made of high speed steel and the is nitrided for high hardness and rust resistance. BulletPoint5 : APPLICATION: 1/4 hex shank can be installed into bench drill, power drill. ItemName : Screw Tap, Screw Tap Drill Bit 10pcs High Speed Steel H2 Blind Hole HSS Tapping Tool, Combination Drill and Taps (M3-2.5 (6 Handle Coated)) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : thread-milling-taps ItemTypeName : Thread Milling Taps Manufacturer : FTVOGUE ModelName : CDQLnadgi8w0f3 ModelNumber : FTVOGUEzn9is58qa7-11 PartNumber : FTVOGUEzn9is58qa7-11 PowerSourceType : ac/dc ProductDescription : Specification: Item Type: Hex Shank Screw Tap Drill Bit Material: High Speed Steel Opening Type: Blind Hole Tap : Spiral Flute Thread Type: Coarse Thread Type: Machine Tap Accuracy: H2 Options: M3-2.5, M4-3.3, M5-0.8, M6-5, M8-6.8, M10-8.5 Package List: 10 x Screw Tap Drill Bit