Descriptions

• Sutton Tools Blue Bullet jobber drills are a general purpose drill bit designed for machine and hand held drilling ferrous metals
• The blue finish reduces chip build up on the cutting edge and is a better choice when drilling ferrous materials

Dimensions

• Range (mm): 1.0-3.0 x 0.25, 3.5-13.0 x 0.5
• Pack Quantity: 29

Features

• 118° standard point for general purpose applications
• Precision engineered parallel shank for accurate hole size
• 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

Specifications

• Designation: N
• Material: High Speed Steel
• Finish: Blue
• Helix Angle: R30
• Point Angle: 118°
• Standard: DIN 338

Applications

• 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 - Non-alloy, cast & free cutting (~ 0.45 %C)- 250 HB
• Optimal for Steel - Non-alloy, cast & free cutting (~ 0.75 %C)- 270 HB
• Optimal for Steel - Low alloy & cast < 5% of alloying elements- 180 HB
• Optimal for Steel - Low alloy & cast < 5% of alloying elements- 275 HB
• Optimal for Steel - High alloy, cast & tool- 200 HB