DIN333 Tin-Coated HSS Spot Center Drills for Centre Drilling

Product description： 1.Center drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking, as well as for producing center holds in components or work pie

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Product Description

Procuct Name	DIN333 Tin-Coated HSS Spot Center Drills for Centre Drilling
Material	HSS4241,4341,6542(Co5%-M35,Carbide are Available)
Process	Fully Ground
Flute	Straight Flutes(2 Flute is Available)
Surface	Tin-coated(Bright Finishing,Amber,AlTiN coated ,are Available)
Size	0.5MM-12.5MM
Standard	DIN333A(DIN333B,DIN333R,Extra Long ,GOST 14952-75 are Available)
Features	1.Center drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking, as well as for producing center holds in components or work pieces with require machining between centers. 2.Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on. 3.Durable and Resistance: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance. 4.center drills have flutes and cutting points on both ends. this allows the user with the ability to reverse the drill and utilize both ends. 5.Titanium-Coated High-Speed Steel for maximum durability and lasts up to 6X more than conventional bits. Titanium Coating acts to enhance the surface hardness of the drill to improve accuracy and reduce friction when drilling and also helps to control the temperature and wear resistance so as to increase efficiency 6.60 degree countersink angle fits all standard centers 7.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance