All of BOLTMASTERS Carded HIGH SPEED STEEL Jobber Drills are a Sutton Tools VIPER BIT.  Sutton has developed this Viper Bit Range for the Industrial trades person and the home handy person.  It can be used for machine and hand held drilling.  These can be used in non-ferrous & ferrous materials.  Such as Steel , Aluminium, Brass, Wood And Plastics.

• 118° Split point (drills >3.5mm & 9/64") minimises wandering when starting
• Viper point design is 2 times faster, out-performing conventional drill bits
• Drill sizes above 10mm & 3/8" feature reduced shanks to suit 10mm drill chucks
• Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance