Fast Spiral Jobbers Length Twist Drill
NACHI Fast Spiral Jobbers Length Twist Drills - Cutting Direction: Right Hand   Size : 7/64   Tool Material: H.S.S.   Shank Style: Straight shank   Drill Type: Jobbers Length

Fast Spiral Jobbers Length Twist Drill

Item #: 01-004-707
Brand: NACHI
Size Type: Fractional
Size: 7/64"
Drill Point Angle: 118°
For soft materials such as aluminum, magnesium, copper alloy, etc.


  • For drilling operations in low tensile strength, softer materials that may pose problems with chip ejection. Typically the materials drilled with these drills are softer ferrous metals and alloys, such as soft steels and soft cast iron.
  • Soft non-ferrous metals and alloys, such as aluminum, magnesium, copper and zinc alloys may also be machined with these drills
  • Combination of fast spiral and high helix angle as well as the wider flutes provide very efficient chip movement and ejection.
  • For many different applications with hand held manual drills and either portable or stationary machine tools.
  • Lubricating/cutting oils or the appropriate coolant fluids are recommended to achieve the optimal performance and the best tool life.


  • Right hand (clockwise rotation) cutting direction.
  • Standard two flute design with wider flutes.
  • Fast spiral, high helix flutes.
  • Helix angle: 34°- 40°
  • Straight shanks that correspond to drill diameter.

Technical Data

  • Manufactured from high speed steel.
  • Precision ground flutes.
  • Cylindrically ground.
  • General purpose drills for soft materials.
  • 118° point angle and standard web thickness.
  • Bright finish.
NACHI L503 118° Point HSS Ground Bright Fractional Fast Spiral Jobbers Length Drills
Product Specifications
Size Type Fractional
Size 7/64"
Drill Point Angle 118°
Tool Material High Speed Steel
Finish Coating Bright
Cutting Direction Right Hand
Decimal Size .1094"
Drill Grade General Purpose
Drill Type Jobbers Length
Flute Shape Fast Spiral, High Helix Flute
Hardness 58 to 60 RC
Helix Angle 34° -40°
Manufacturing Method Ground
No. of Flutes 2
Overall Length 2-5/8"
Point Sharpening Type Normal Point
Series L503
Shank Style Straight Shank
Type Fast Spiral Jobbers Length Twist Drills
Weight 0.01 lbs.
Country of Origin JAPAN