• Series Name: 7
• Diameter (Inch): 3-7/8"
• Diameter (Decimal Inch): 3.875
• Series Code/Seat Size: 7
• Material: High Speed Steel
• Coating: TiN
• Thickness (Inch): 7/16"
• Included Angle: 144
For general purpose applications in a variety of materials and for drilling in applications where added toughness is required such as unstable set ups on manual machines or cross hole drilling. • Series 1-4: 132º point • Series 5-7: 144º point