Specification :

HSS Twist drill bit are probably the most common drill tools used by the handyman with either a hand or electric drill.The front edges cut the material and the spirals along the length remove the debris from the hole and tend to keep the bit straight.They can be used on timber,metal,plastics and similar meterials.

All that we could supplied as:
1.Material:High speed steel----F4341#,4341#,9341#,M2,M35,M42
2.Tye of Flute:Type N,H,W&VA
3.Quantity of flute:double flute,three flute&four flute
4.Standard:DIN338,DIN340,DIN1897,DIN1869,ANSIB94.11M
5.Point Angle:118,135,135with split point
6.Finished:Blue,Blue&white,White,Titanium,Cobalt,Rainbow
7.Production process:Roll forged,Roll forged&Polished,Roll forged&Edge ground,Fully Ground.