Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling

Product description： 1.The primary purpose of a spot drill to make a "dimple" in the workpiece so that the twist drill does not deflect and "walk" off-center and the hole is drilled in the correct location.

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Product Description

Product Name	Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
Material	Tungsten Carbide (High Speed Steel,M35-Cobalt are Available)
Process	Fully Ground
Cutting Angle	90 Degree(120 Degree,60 Degree are Available)
Surface	TiAlN Coated( White,Tin-Coated,Amber are Available)
Size	2-20MM (1/8-3/4inch is Available)
Package	Plastic Tube,Blister Card,Plastic Box are Available
Features	1.The primary purpose of a spot drill to make a "dimple" in the workpiece so that the twist drill does not deflect and "walk" off-center and the hole is drilled in the correct location. 2.The Spot drill suitable for continuous production on aluminium, plastics, free cutting steels, cast iron, titanium, non-ferrous materials and some aerospace materials. 3.Made of ultra-hard Solid Tungsten Carbide which prevents bit dulling from overheating 4.Precise position and chamfer are accomplished at one time to improve machining quality. 5.Available in 60/90/120 and 140 degrees, coated in AlTiN or left uncoated.