Designed to increase the drilling capacity of drill chucks and for slow speed (350 RPM or less), large scale boring

• Diameter (mm): 16.0, 18.0, 22.0, 25.0
• Pack Quantity: 4
• Designation: N
• Material: High Speed Steel
• Finish: Blue
• Maximum Cut Depth: 5XD
• Shank Form: A
• Helix Angle: R30
• X: als
• Point Tolerance: h8
• Point Angle: 118°
• Point Form: Form A
• Cutting Edges: ul
• Standard: Sutton

• Optimal for Steel - Non-alloy, cast & free cutting (~ 0.15 %C)- 125 HB
• Optimal for Steel - Non-alloy, cast & free cutting (~ 0.45 %C)- 190 HB
• Optimal for Steel - Low alloy & cast < 5% of alloying elements- 180 HB
• Optimal for Aluminum & Magnesium, wrought alloy - Non Heat Treatable – 60 HB
• Optimal for Aluminum & Magnesium, wrought alloy - Heat Treatable – 100 HB

• Common Length 6" (152mm) overall length with a 3-3/8" (86mm) flute length
• Reduced shanks suit 13mm drill chucks
• 118° standard point for general purpose applications
• Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance
• Blue surface finish for ferrous applications
• The steam oxide finish prevents chip build-up on the cutting edges and reduces cutting friction, especially in low carbon steels