HSS High Speed Steel Hex Shank Metric Spiral Flute Taps Machine & Manual Screw Thread Tap Taper Twist M4x0.7 Drill Bit

Description

HSS High Speed Steel Drill 1/4″ Hex Shank Metric Spiral Flute Taps Machine & Manual Screw Thread Tap Taper Twist Drill Bit M4 Features:Excellent high speed steel, high hardness with good durability.Performed well in tapping, quick with high accuracy.Spiral fluted design for simultaneous chip removal and tapping.Suitable for machine and manual use.Specifications:Material: High Speed SteelSurface Process: Nitriding CoatedProduct Size(Metric): M4*0.7