Viking 37/64″ Type 280-UB Premium Grade High Speed Steel Silver Deming Drill

• Type 280-UB, Silver Deming Drills with 1/2 inch reduced shank.
• One-piece solid construction.
• 135 split point for fast penetration and accurate starting without a center punch.
• Precision ground point, flutes, body for ultimate accuracy and performance.
• Nitro-carburized steel withstands higher drilling temperatures while maintaining sharpness.
• Body and clearance are gold surfaces treated for maximum lubricity.
• Two-flutes design with straight body shank.
• Flute Shape: Spiral.
• Shank Size: 1/2″
• Right hand (clockwise) cutting direction.
• Lower helix angle of 30 wraps slowly and is used in drilling hard materials.
• 3-Flats on Shank Heavy-Duty applications.
• Available in fractional sizes 1-1/2 inches under.
• Overall length of 6 inches.

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