TO Surface Treated 118 H.S.S. Jobbers Length Drill, Size 5/16″, .3125″ Decimal Size, 3-3/16″ Flute Length, 4-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Finish Coating: Black Oxide
• Surface treatment increases abrasion resistance, reducing the amount of chip welding improving chip flow
• Drilling a wide range of ferrous and non-ferrous materials
• No. of Flutes: 2
• Drill Point: 118
• Point Sharpening Type: Thin Relieved Web
• Cylindrically ground from the solid.
• Normal duty drills have a 118 angle, a normal point and standard web.
• Shank Style: Straight Shank
• Cutting Direction: Right Hand
• Workpiece Material Range: Steel, Cast Iron

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