Fractional | Metric


TOOL SELECTOR
CHIP
CLASS
MATERIAL MACHINEDTOOL TYPE
 20  NON-FERROUS - LONG CHIPS  427h6 
 40  NON-FERROUS - SHORT CHIPS  427h6/428h6 
 60  CAST IRONS  428h6 
 80  LOW STRENGTH STEELS  429h6/428h6 
 100  MEDIUM STRENGTH STEELS  429h6 
 120  HIGH STRENGTH STEELS  429h6 
 140  HIGH TEMPERATURE ALLOYS  429h6

Type 427h6 Fractional - Flute Fed for Thru Holes - Left Spiral Flutes - For Non-Ferrous
Carbide Tipped
  • Coolant outlets in each flute
  • Flute long carbide
  • Polished flutes
  • Tool geometry and carbide appropriate for material being machined.
  Modifications: (Prompt delivery)
  • Cut off
  • End chamfer other than 45°
  • End cutting or corner radius
  • Increased/Decreased back taper
  • Closer tool diameter tolerance (.0001")
  • Cutting diameter reduced for step or pilot (Some modifications may affect the TIR)
  • Coatings available:
     TITANIUM NITRIDE - TiN 
     TITANIUM CARBONITRIDE - TiCN 
     ZIRCONIUM NITRIDE - ZrN 
     AL TITANIUM NITRIDE - AITiN 
Use:
  • Flute coolant outlets for reaming thru holes as chips are flushed forward through the hold being reamed
  • Improves hole finish and permits higher feeds and speeds with longer tool life

Notes
  When ordering please indicate description and hardness of material being machined
Below is a list of standard h6 Shank Reamers offered by Hannibal Carbide Tool. If you do not see the h6 Shank 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 h6 Shank Reamers. For technical assistance with your Reamers please click here to fill out and submit our HANNIBAL TECHNICAL SUPPORT QUESTIONNAIRE.
Tool Diameter Range Type 427h6
EDP NO.
Dimensions Finished To Modified Tool Diameter
Maximum Shank Diameter No. of Flutes Length Price Each - Based on Quantity Ordered
FLT High 1 2 3 4 5-7 8-14*
 .3471 -  .3780 42712h6  .3125 4  3/         $230.50 $210.00 $203.20 $199.90 $196.40 $193.60
 .3781 -  .4090 42713h6  .3125 4  3/         231.25 210.80 203.95 200.70 197.20 194.40
 .4091 -  .4410 42714h6  .3750 6  3/         233.00 212.50 205.70 202.45 198.90 196.15
 .4411 -  .4720 42715h6  .3750 6  3/         234.75 214.25 207.45 204.15 200.65 197.85
 .4721 -  .5030 42716h6  .4375 6                 237.20 216.70 209.90 206.65 203.10 200.35
 .5031 -  .5340 42717h6  .4375 6                 241.30 220.80 214.00 210.75 207.20 204.45
 .5341 -  .5660 42718h6  .4375 6                 244.25 223.75 216.95 213.70 210.15 207.40
 .5661 -  .5970 42719h6  .4375 6                 248.50 228.00 221.20 217.95 214.40 211.65
 .5971 -  .6280 42720h6  .5625 6  1/         252.30 231.85 225.00 221.75 218.25 215.45
 .6281 -  .6590 42721h6  .5625 6  1/         275.00 254.50 247.70 244.45 240.90 238.15
 .6591 -  .6910 42722h6  .5625 6  1/         279.80 259.35 252.50 249.25 245.75 242.95
 .6911 -  .7220 42723h6  .5625 6  1/         284.85 264.40 257.55 254.30 250.80 248.00
 .7221 -  .7530 42724h6  .6250 6  1/         290.05 269.60 262.75 259.50 256.00 253.20
 .7531 -  .7840 42725h6  .6250 6  1/         294.30 273.85 267.00 263.75 260.25 257.45
 .7841 -  .8160 42726h6  .6250 6  1/         297.40 276.95 270.10 266.85 263.35 260.55
 .8161 -  .8470 42727h6  .6250 6  1/         302.05 281.55 274.75 271.50 267.95 265.20
 .8471 -  .8780 42728h6  .7500 6  5/         316.35 295.90 289.05 285.80 282.30 279.50
 .8781 -  .9090 42729h6  .7500 6  5/         332.65 312.15 305.35 302.10 298.55 295.80
 .9091 -  .9410 42730h6  .7500 8  5/         346.80 326.35 319.50 316.25 312.75 309.95
 .9411 -  .9720 42731h6  .7500 8  5/         347.55 327.10 320.25 317.00 313.50 310.70
 .9721 - 1.0030 42732h6  .8750 8  3/         347.95 327.50 320.65 317.40 313.90 311.10
* Quantities of 15 or more - Contact Hannibal Specials Dept.