Viking H.S.S. Cryogenic Jobbers Drill, 11/64″ Size

• H.S.S. – High Speed Steel
• Series: 240-CN
• DrillPoint Angle: 135
• Superior tool life & exceptional corrosion resistance
• Modifies the carbon micro-structure through precipitation of carbides increasing resistance to wear.
• 3 flat shank supplied on all sizes to help reduce slippage in the drill chuck.
• Nitride process diffuses nitrogen into the surface to create a case hardening resulting in superior tool life & exceptional corrosion resistance.
• For all types of steel including high tensile straight steels.
• Cryogenic treatment creates a more uniform “grain” structure by transforming retained austenite into martensite.
• Cutting Direction: Right Hand
• Helix angle: 30
• Drill hardness 72Rc.
• M2 high speed steel.
• NAS 907 tolerance.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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