The set of 6 3-flute 90 degrees countersink drill bits is suitable for processing metal and some non-metallic materials, such as carbon steel, steel, thin iron plate, insulation board, PVC board, aluminum, soft and hard wood, plastic and so on.
The countersink drill bits set with titanium coating are very sharp, with a high circular machining accuracy and durability.
The high-quality countersink drill bits can remove burrs well without leaving scratches.
The drill bits of standard sizes are compatible with all kinds of common drill and drilling machine, including vertical drilling machine.
3Flute chamfering with 90° Countersink Angle on the point for sharp and precise countersinking
Can be use both at home or industry.Suitable for Aluminum,Brass, Bronze, Iron, Plastic,Stainless,thin iron plate,wood,carbon steel,insulation board,or PVC board etc
High-precision,Manufactured to exacting tolerances,Full grinded,high abrasion resistance,best obtain accuracy and fine finish.
Made from industrial grade High-Speed Steel for increased durability.
90 Degree angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness.
These flute countersink drill bit set are available in 6 different diameter sizes. Size - 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm
It is suitable for use in the work-piece which the hardness is under 25 degrees. Ideal for wooden planks, fiberboard, particle board, plywood, plastic, alumiumn board, pcb board and more
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