Kennametal 3891688 Extra Length Drill Bit, 1/2" Dia, 135 deg Point, Solid Carbide, Bright Finish, 222 mm Flute Length, 276 mm

Features:

• HP solid carbide deep-hole drill with through coolant for steel, cast iron, stainless steel, high-temperature alloys, and non-ferrous materials.
• Application-specific SC drill for drilling holes up to 15 x D up to 4x faster than conventional HSS and gun drills.
• KMH-point geometry is available as a semi-standard, especially for crankshaft applications.
• KN25 Beyond uncoated grade (B27_HPS) with highly polished surface ensures superior chip evacuation and prevent built-up edge in aluminum and high-temp alloys, even when low-pressure coolant or MQL is applied.
• Composition: Uncoated, highly wear-resistant ultra-fine-grain carbide.
• Extra Length Drill Bit: 1/2" Dia, 135 ° Point, Solid Carbide
• Bright Finish, 222 mm Flute Length, 276 mm OAL, Spiral Flute, Straight-Cylindrical Shank, Series B271-HPS

Application:

• Highly polished chip flute surfaces ensure superior chip evacuation and reduce tendency for built-up edges. First choice for deep-hole drilling of non-ferrous materials.
• Drilling: Stacked Plates
• Drilling
• Drilling: Inclined Exit
• Tool Dimensions: 2flute/4margin/coolant
• DIN number 6535
• Drilling - Through Coolant
• Through Coolant: MQL (Minimum Quantity Lubricant): Drilling
• Shank - Cylindrical Plain ≤h6
• Helix Angle: 30°
• Drilling: Cross-Hole Drilling