Fractional


Type 488 Fractional - Straight Flutes & Shank
Carbide Tipped
  • Tool diameter tolerance: plus .0002", minus .0000"
  • Polished straight flutes with steel cutting grade flute long carbide
  • Special steel cutting tool geometry:
    Positive radial rake (behind center)
    Narrow circular lands
    Minimum back taper
  • Longer flutes than Type 450 on .5971" tool diameter and larger for straight deep holes
  • Geometry and carbide grade appropriate for material being machined
  • Carbide tips brazed to tough hardened alloy steel body
  • Polished flutes for easy chip flow
  • Precision ground cutting edges
  • Material specific reamer shanks are ground to next smallest shank diameter listed in NAS 897 if tool diameter is within .005" of shank diameter
  Modifications: (Prompt delivery)
  • Modified tool diameter - priced below
  • Metric tool diameter
  • Closer tool diameter tolerance
  • Cutting diameter reduced for step or pilot
  • End chamfer other than 45º
  • End cutting or corner radius
  • Increased / decreased circular margin
  • Increased / decreased tool diameter back taper
  • Shortened shank or reduced shank diameter
  • Flat(s) or tang on shank
  • Coatings available:
     TITANIUM NITRIDE - TiN 
     TITANIUM CARBONITRIDE - TiCN 
     ZIRCONIUM NITRIDE - ZrN 
     AL TITANIUM NITRIDE - AITiN 
Use:
  • These precision ground carbide tipped reamers are very convenient for finishing accurate holes in steels, tough steel alloys and cast steels.
Below is a list of standard Material Specific Chucking Reamers offered by Hannibal Carbide Tool. If you do not see the Material Specific Chucking Reamers you are looking for you can click here for our SPECIAL TOOL QUOTE REQUEST FORM and fax (573-221-1140) or email your request to Hannibal. Within 24 hours we will let you know how we can supply your Material Specific Chucking Reamers. For technical assistance with your Reamers please click here to fill out and submit our HANNIBAL TECHNICAL SUPPORT QUESTIONNAIRE.
Decimal Tool Diameter Type 488
EDP NO.
Fractional
Price
Dimensions
Max. Shank Diam. No. of Flutes Length
Flute & Carbide Overall
 .1865 48818 $60.40  .1805 4  1/  1/
 .1885 48819 60.40  .1805 4  1/  1/
 .2490 48824 60.40  .2405 4  1/        
 .2510 48825 60.40  .2405 4  1/        
 .3115 48831 61.55  .2792 4  1/        
 .3135 48832 61.55  .2792 4  1/        
 .3740 48837 63.30  .3105 4  3/        
 .3760 48838 63.30  .3105 4  3/        
 .4365 48843 74.35  .3730 6  3/        
 .4385 48844 74.35  .3730 6  3/        
 .4990 48849 80.30  .4355 6                
 .5010 48850 80.30  .4355 6                
48800 760.65 CASED SET OF ABOVE 12 REAMERS