Type 656 Fractional
Tools - Drills - Coolant Fed Drills - Coolant Fed Twist Drills, Long Length, 125° 4 Facet Point

Chip ClassMaterial MachinedTool Type
20NON-FERROUS - LONG CHIPS656
40NON-FERROUS - SHORT CHIPS656
60CAST IRONS656
100MEDIUM STRENGTH STEELS657
120HIGH STRENGTH STEELS657
Discontinued, While Supplies Last.

Description

  • Long length
  • Polished right spiral flutes
  • Self centering 125º point
  • Two coolant outlets
  • Shank & body diameter same size as tool diameter
  • Shank and tool diameter tolerances: plus .000", minus .001"
  • Carbide high temperature brazed to hardened tool steel body
  • Extra heavy web for higher torsional strength and rigidity
  • Spiral flutes for improved chip removal in vertical applications

Modifications

  • Modified tool diameter
  • Metric tool diameter
  • Modified point and / or angle
  • Flat(s) on shank
  • Tanged shank
Coatings available:
  • TITANIUM NITRIDE - TiN
  • TITANIUM CARBONITRIDE - TiCN
  • ZIRCONIUM NITRIDE - ZrN
  • AL TITANIUM NITRIDE - AITiN

Use

  • For drilling most materials, including some stainless steels and high temperature alloys
  • For deep holes, up to approximately 8 tool diameters deep
Decimal DiameterFractional DiameterFlute LengthOverall LengthEDPPrice
0.75003/46 3/89 3/465648 $399.45
0.593819/325 5/88 1/265638 $334.70
0.62505/85 3/48 3/465640 $334.70
0.656221/325 7/8965642 $356.00
0.687511/1669 1/465644 $381.40
0.718823/326 3/169 1/265646 $397.35
0.43757/164 5/87 1/465628 $226.70
0.468815/324 7/87 1/265630
0.50001/257 3/465632
0.531217/325 1/4865634
0.56259/165 3/88 1/465636
0.28129/323 7/86 1/465618 $226.70
0.31255/1646 3/865620
0.343811/324 1/86 1/265622 $226.70
0.37503/84 1/46 3/465624 $226.70
0.406213/324 3/8765626 $226.70
0.25001/43 3/46 1/865616 $226.70
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