Precise Surface Treated H.S.S. 118 Jobbers Length Twist Drill, 7/16″ Size, .4375″ Decimal Size, 5-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Flute Shape: Standard Spiral, Helical Flute
• Shank Style: Straight Shank
• Surface treatment increases abrasion resistance, reducing the amount of chip welding improving chip flow
• Suitable for general purpose and light duty drilling operations.
• For drilling a variety of non-ferrous and non-metallic materials.
• Right hand (clockwise rotation) cutting direction.
• 118 normal point.
• Normal duty drills have a 118 angle, a normal point and standard web.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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