Descriptions

• Used to drill female 60° centre holes in the end of shafts and components, which will later revolve between centres
• Suitable for materials up to 1600N/mm2

Features

• Drills, Carbide, Centre
• Designed to maintain accurate centre holes on long production runs
• Also used to ensure accurate starting and centering when precision drilling is required

Specifications

• Designation: N
• Material: VHM
• Finish: Bright
• Shank Form: HA
• X:als
• Shank Tolerance: h6
• Point Type: 60° Stepped
• Cutting Edges: ul
• Standard: ANSI B94-11

Applications

• Optimal for Aluminum & Magnesium, wrought alloy - Non Heat Treatable – 60 HB
• Optimal for Aluminum & Magnesium, wrought alloy - Heat Treatable – 100 HB
• Optimal for Aluminum & Magnesium, cast alloy ≤12% Si - Non Heat Treatable – 75 HB
• Optimal for Aluminum & Magnesium, cast alloy ≤12% Si - Heat Treatable – 90 HB
• Optimal for Aluminum & Magnesium, cast alloy >12% Si - Non Heat Treatable – 130 HB
• Optimal for Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1 -110 HB
• Optimal for Copper & Copper alloys (Brass/Bronze) - Brass (CuZn, CuSnZn) - 90 HB
• Optimal for Copper & Copper alloys (Brass/Bronze) - Bronze (CuSn) – 100 HB
• Optimal for Hardened Steel – 45 HRC