YG-1 H.S.S. TiN Tip Jobbers Length Drill, 5/16″ Size, .31250″ Decimal Diameter, 3-3/16″ Flute Length, 4-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• No. of Flutes: 2
• TiN tip provides longer tool life
• Drilling in steel, cast steel alloyed non-alloyed, grey cast iron, graphite malleable iron.
• Bright body with TiN coating on working part.
• 135 split point on sizes .059″ diameter and over.
• Right hand spiral and wider flutes.
• Flute Shape: Standard Spiral, Helical Flute
• Package Qty: 10
• Workpiece Material Range: Steel, Cast Iron, Plastics

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