Precise TiAIN Coated H.S.S. Jobbers Length Twist Drill, Size #21, .1590″ Decimal Size, 3-1/4″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Coated drills for increased tool life and performance
• For drilling operations and difficult to cut materials and alloys.
• Use of lubricating/cutting oils or appropriate coolant fluids are recommended for most operations.
• Series: A2-TiAIN
• Drill Point Angle: 118
• Point Sharpening Type: Normal Point
• Drill Grade: High Performance
• Ground from the solid.
• Cutting Direction: Right Hand
• Flute Shape: Standard Spiral, Helical Flute
• Shank Style: Straight Shank
• Workpiece Material Range: Steel, Cast Iron, Plastics

For More Precise TiAIN Coated H.S.S. Jobbers Length Twist Drills Sizes #1 to #30 Click Here