Over 90% of people will choose
1/2 Blackmith Reduced Shank Drill Bit HHS-G Black Oxide Twist Dill Bit 13.5-20mm Metric Size Steel Metal Plastic Wood
Features：
• High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
• Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
• Reduced Shank Drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.
• When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
• Ideal for drilling in low and medium tensile strength materials
They are easy to spot as their cutting edges (flutes and lips) are white rather than grey and are perfectly symmetrical. Ground bits are suitable for sustained use and are efficient and precise.
Specification：
Surface finish：Black oxide.
Shank: 1/2" diameter, 2-1/4 "long
Total length：6"
Split piont：118 degree standard point.
Material: T-4241(W4Mo2Cr4VSi High-speed steel)
Designed for drilling low and medium tensile strength materials
Package include:
1x Black Oxide Blackmith / Reduced Shank Drill bit
