Precision Twist Drill Extra Long H.S.S. 12″ Length Drill 5/16″ Size

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Drill Point Angle: 118
• Flute Length: 9″
• Overall Length: 12″
• Series: 1290
• Flute Shape: Normal Spiral – Helical
• Designed for general-purpose deep drilling operations for normal materials.
• Designed for drilling holes in hard to reach locations or inaccessible areas.
• For drilling steel, cast iron, and variety of other ferrous, non-ferrous metals and alloys.
• Used with hand held manual drills and either portable or stationary machines.
• Right hand (clockwise rotation) cutting direction.
• Standard two flute design, normal spiral – helical flutes.
• Straight shanks that correspond to the drill diameter.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

For More Precision Twist Drill Extra Long H.S.S. 12″ or 18″ Length Drills Click Here