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Roll Forged HSS Taper Shank Twist Drill Bit for Metal Drilling
Material:HSS 4241,4341,6542-M2 (Cobalt5%M35 is available)
Standard:DIN345(ANSI,DIN341,DIN1870 are also available)
Process :Milled(Roll Forged is available)
Size:7.5mm-100mm and 3/8" to 4"
Flute Type:Type N, Right Hand Cutting
Surface Finish:Black (Back Oxide ,Gray & Bright , Bright , Amber Color Titanium Coating are Also available)
Point Angle:118Degree(135Degree Split Point ,Tinning Point are available)
Package:One Piece in Paper Box,Plastic Box,Wood Box.
Features:1, High-speed steel (HSS) provides hardness for wear resistance2, Precise dimension, long life and high efficiency.3,Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials4,Self-centering 118-degree notched point penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge5,Morse taper shank allows the tool to be inserted directly into the machine's spindle to facilitate high-torque applications such as large cut diameters6,When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging7, Spiral flutes are constructed with a higher flute angle to remove chips more easily.8, Designed to perform in a broad range of materials in the iron and steel families