Left Hand Drill Bit Set 1mm to 10mm Colbolt 10pc sutton

Descriptions:
Sutton Tools Left-Hand jobber drills feature a left hand helix for screw machine applications where spindles rotate counter-clockwise.
Suitable for general-purpose drilling and can also be used to drill out broken bolts in conjunction with Sutton Tools screw extractors.
Specifications:
Range: 1.0 -10mm x 1.0 rises
Pieces: 10
Case: Plastic
Designation: N
Material: HSS Co
Finish: Bright
Shank Form: A
Helix Angle: L30
Point Tolerance: h8
Point Angle: 118 degree
Standard: Sutton
Features:
Ideal for use with screw extractors
Heavy duty left hand spiral flute design produces faster chip ejection
Shorter drilling length designed for rigidity
Shorter cutting lips reduce torque for drilling in high tensile strength materials.
Made from HSS Co. The 5 percent cobalt formula improves abrasive and heat resistance, for increased strength at higher cutting temperatures
Colour Tempered surface finish enables identification of cobalt tool material
Applications:
Steel
Aluminium
Copper/Brass