More Choice For You: Home > Drill Bit > HSS Drill Bit> HSS Countersink Drill Bit>3 Flute Countersink
6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm
3 Flute (5 Flute, Single Flute, 0 Flute, 6 Flute, 7 Flute, Multi Flute are Available)
1. Three-flute designed to reduce clogging, improve clearance and be chatter free
2.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.
3.Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications.
4.Round shanks allow use with a wide variety of toolholding systems.
5.Made from industrial grade High-Speed Steel for increased durability.
6.Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more
* Other Sizes are available,Concact Us to Learn More.
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