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. 6.60 degree countersink angle fits all standard centers |