Multiple Flute High Speed Steel Coated Single End Mill
NIAGARA Multiple Flute High Speed Steel Coated Single End Mill-Tool Material: High Speed Steel Size: 25/32 Number of Flutes: 4 Flute Length: 1-7/8 Flute Shape: Spiral flute

Multiple Flute High Speed Steel Coated Single End Mill

Made In The USA
Item #: 08-835-254
Size: 25/32"
No. of Flutes: 4
Length of Cut: 1-7/8"


  • For general milling operations for slots, grooves and other similar features.
  • For use in a variety of ferrous and non-ferrous materials.
  • Designed for use in machine tools.


  • Right hand (clockwise rotation) cutting direction.
  • The cutting lengths of these end mills are proportional to their cutting diameters and range from 3/8" to 2".
  • The spiral flute design permits a faster and smoother cutting action and the end mills are sized to provide a good cutting range while affording adequate rigidity.

Technical Data

  • Ground from the solid.
Niagara High Speed Steel Fractional Size Tialn Coated Multiple Flute Single End Mill
Product Specifications
Size 25/32"
No. of Flutes 4
Length of Cut 1-7/8"
Shank Diameter 3/4"
Tool Material High Speed Steel
Finish Coating TiAlN
Center Cutting No
Single or Double End Single
Overall Length 4-1/8"
Corner Radius 0
Cutting Direction Right Hand
Flute Shape Spiral Flute
Flute Length 1-7/8"
Hardness 58 to 60 RC
Length Type Standard Length
Manufacturing Method Ground from the solid
Series S-404T
Prop. 65 Yes
Shank Style Straight Shank
Tolerance_Cutting Diameter +.001" / -.000"
Tolerance_Shank Diameter -.0001" / -.0005"
Type Multiple Flute High Speed Steel Coated Single End Mill
Tolerance_Mill Diameter +.001" / -.000"
Weight 0.5 lbs.
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

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