Type 310 Fractional
Tools - End Mills - End Mills with a Slow Spiral - Radial Edged End Mills with a Slow Left Hand Spiral For Steels

Chip ClassMaterial MachinedTool Type
80LOW STRENGTH STEELS-
100MEDIUM STRENGTH STEELS-
120HIGH STRENGTH STEELS-
140HIGH TEMPERATURE ALLOYS-
Discontinued, While Supplies Last.

Description

  • Left spiral flutes maintain a constant pressure on the work piece and absorb the impact shock on entering steel
  • Left hand helix best when milling tough steel alloys
  • For peripheral milling
  • Radial edged for longer tool life
  • Geometry and carbide grade, O.D. relief and end clearance appropriate for material being machined
  • Flute long carbide tips brazed to tough hardened alloy steel body
  • Spiral flute carbide tips formed to true helix angles
  • Straight shanks have standard Weldon drive flats
  • Non-center cutting end mills have the ends cleared to depth of carbide

Modifications

  • Modified tool diameter
  • Metric tool diameter
  • Cutting diameter reduced for step or pilot
  • Corner chamfer or corner radius
  • Shortened shank or reduced shank diameter
  • Additional shank drive flat(s)
  • Coolant outlets
  • Stocked coated tools priced below
Coatings available:
  • TITANIUM NITRIDE - TiN
  • TITANIUM CARBONITRIDE - TiCN
  • ZIRCONIUM NITRIDE - ZrN
  • AL TITANIUM NITRIDE - AITiN
Decimal DiameterFractional DiameterCarbide LengthNumber Of FlutesOverall LengthShank DiameterEDPPrice
1.12501 1/81 1/464 1/4131036 $222.55
1.25001 1/41 1/464 1/4131040 $269.00
1.50001 1/21 1/264 1/21 1/431048 $327.15
1.75001 3/41 1/284 1/21 1/431056 $393.95
2.000021 1/284 1/21 1/431064 $439.75
0.56259/16143 3/81/231018 $110.20
0.62505/8143 3/81/231020 $136.00
0.75003/4143 5/85/831024 $151.50
0.87507/81 1/4445/831028 $182.55
1.000011 1/4647/831032 $209.85
0.25001/41/222 1/23/831008 $83.25
0.31255/165/822 1/23/831010 $89.85
0.37503/85/822 1/23/831012 $95.20
0.43757/16122 11/163/831014 $95.20
0.50001/2143 1/41/231016 $102.55

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