Sandvik Coromant 6151028 Solid Carbide Extra Length Drill Bit, 6.20 mm Diameter, 140 Degrees Point, TiAlN Coated

CoroDrill® 861 provides the high stability essential for drilling deep holes, with high speed and efficiency.

Features

• Accurate deep holes to depths up to 30x drill diameter, without pecking
• High speeds and feeds allow greater productivity to reduce cost per hole
• Fast and efficient chip evacuation reduces machine downtime and increases tool life
• ACM (Advanced Chip Management) flute geometry encourages small and manageable chips
• Specially designed point geometry helps to reduce thrust forces
• Consistent edge preparation protects the cutting edge from premature chipping and flaking
• Double offset margin patented geometry offers greater stability to the drilling operation
• Internal coolant holes deliver coolant directly to the tip of the drill even at deep drilling depths
• Achievable hole tolerance H8-H9
• Clamp with high precision chucks only
• Drill lengths: 12-30 x drill diameter
• A wide range of workpiece materials
• Conventional drilling, cross holes, angled faces
• Automotive: crankshafts, engine blocks, cylinder heads