Viking 135 Super Premium H.S.S. TiCN Coated Jobbers Drill, 5/16″ Size, .3125″ Decimal Size, 3-3/16″ Flute length, 4-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Manufactured from premium high speed steel.
• Extended tool life up to 4x’s possible
• 2 Flutes
• Industry Standard: 240-ACN
• 135 split point is self-centering for reducing thrust and easier penetration.
• Provides exceptional oxidation resistance and extreme hardness.
• Flute Shape: Standard Spiral, Helical Flute
• Cutting Direction: Right Hand
• Helix Angle: 30
• TiCN coating raises cutting surface hardness greatly increasing resistance to wear.
• TiCN is harder and has a lower coefficient of friction than TiN coating.
• Heavy duty construction for drilling tougher materials with up to 4X’s tool life.
• Manufactured to NAS aerospace specification.
• Workpiece Material: Ferrous & non-ferrous materials; aluminum, zinc, bronze, alloy casting, steels, castings & forgings, plastic, fiberglass & composites
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics
• Country of Origin: U.S.A.

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