HUAZHICHUN Countersink Drill Bit Set 6 pcs High Speed Steel 3 Flute 85 Degree Steel Counter Sink for Wood and Metal in Sizes 1/2",1/3",1/4",2/3",2/5",4/5" Set

• Eliminates Chatter&Vibration：Precision-ground 85-degree tip drills countersink holes into most machinable metals, as well as wood and plastic.
• Special Reminding ：These flute countersink drill bit set are machined from high speed steels and are available in 6 different diameter sizes. Size - 6.3mm(0.24''), 9.3mm(0.36''), 10.4mm(0.4''), 12.4mm(0.48''), 16.5mm(0.65''), 20.5mm(0.8'').
• Premium Design ：Great for Sinking 85 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings.Suitable for DIY, Home and General Building/Engineering Using.
• Made from industrial grade High-Speed Steel for increased durability. Black oxide finish adds corrosion resistance.
• Mutiple Application ：Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more.

Specifications: Size: 6 different diameter sizes. 6.3mm(0.24'') 9.3mm(0.36'') 10.4mm(0.4'') 2.4mm(0.48'') 16.5mm(0.65'') 20.5mm(0.8'') Color: silver Material: high speed steel Package includes: 6 x Countersink drill bits Features: Sturdy to use: Made of high speed steel, these 3 flute 85 degree HSS chamfering tool bits are no rust, sturdy and hard, not easy to break and wear, convenient in daily usage. Warm gift: This countersink end mill cutter features round shank, really a practical and a must have for drilling holes, suitable for acting as a novel gift for father, worker, boyfriend and so on. 6Pcs Hss Drill Chamfer Chamfering 85 Degree 3 Flute End Mill Cutter Drill Bit. It is suitable for use in the workpiece which the hardness is under 25 degrees,such as aluminium sheet,thin iron plate,the insulating board or PVC board. Warm notes: Please allow a little error on the size due to manual measurement. Please read the size instruction carefully before purchasing. This tool has a pointed part. Please keep away from children.