EXPANSION CHUCKING REAMERS — CARBIDE TIPPED

STRAIGHT FLUTE LONG CARBIDE & TAPER SHANK

TYPE 2467 — STRAIGHT FLUTE LONG CARBIDE & TAPER SHANK — FRACTIONAL SIZES

Expansion adjusting screw permits expansion of cutting diameter for regrinding after wear without reinserting carbide.
Taper shank and straight polished flutes.
Flute long carbide tips brazed to one piece hardened tool steel bodies.
Cutting diameter tolerance plus .0003" minus .000".

USE:

Expansion reamers are recommended for reaming abrasive materials and as the diameter wears down, the reamers can be expanded many times by tightening the end adjusting screw and regrinding to its original size. Because this procedure can be repeated several times, the expansion reamer is a very economical tool. Expansion reamers should not be expanded to use at diameters larger than listed diameters nor be considered as adjustable for use in producing holes of several sizes. The expansion screw should never be loosened.

OPTIONS

Intermediate decimal & metric sizes (priced as indicated in extended table below).
Cutting diameter reduced for small steps or pilot.
Radius end or end chamber other than 45ยบ.
End cutting.
Rose grind (twice normal back taper).
Semi-finished type reamers in stock.
Closer tolerance.
For +.0002" add $1.00 per tool.
For +.0001" add $3.00 per tool.



Below are the critical dimensions of our Expansion Reamers. Please choose the Reamers that meets your tooling needs.
Tool
Diameter
Dimensions Type 2467
EDP NO.
Price Finished To Modified Tool Diameter
Taper No. of Flutes Length Modified Diameter Range Price Each - Based on Quantity Ordered
Frac. Dec. Flute Overall Low High 1 2 3 4 5-7 8-14*
   5/16  .3125 1 4                 246710 $70.00  .2841  .3150 $102.35 $86.10 $80.75 $78.10 $75.40 $73.20
  11/32  .3438 1 4                 246711 70.00  .3151  .3470 102.35 86.10 80.75 78.10 75.40 73.20
   3/  .3750 1 4                 246712 65.65  .3471  .3780 95.95 80.75 75.70 73.30 70.70 68.65
  13/32  .4063 1 4                 246713 67.70  .3781  .4090 97.95 82.75 77.70 75.30 72.65 70.60
   7/16  .4375 1 4                 246714 67.70  .4091  .4410 97.95 82.75 77.70 75.30 72.65 70.60
  15/32  .4688 1 4                 246715 70.95  .4411  .4720 101.30 86.10 81.00 78.60 75.95 73.95
   1/  .5000 1 6                 246716 70.95  .4721  .5030 101.30 86.10 81.00 78.60 75.95 73.95
  17/32  .5313 1 6                 246717 73.15  .5031  .5340 103.45 88.25 83.20 80.75 78.10 76.05
   9/16  .5625 1 6  1/         246718 73.15  .5341  .5660 103.45 88.25 83.20 80.75 78.10 76.05
  19/32  .5938 1 6  1/         246719 76.05  .5661  .5970 106.40 91.25 86.20 83.75 81.20 79.10
   5/  .6250 2 6  1/         246720 76.05  .5971  .6280 106.40 91.25 86.20 83.75 81.20 79.10
  21/32  .6563 2 6  1/         246721 85.65  .6281  .6590 115.95 100.70 95.65 93.30 90.65 88.65
  11/16  .6875 2 6  1/         246722 85.65  .6591  .6910 115.95 100.70 95.65 93.30 90.65 88.65
  23/32  .7188 2 6  1/         246723 85.85  .6911  .7220 116.20 101.05 95.95 93.55 90.90 88.90
   3/  .7500 2 6  3/  1/ 246724 85.85  .7221  .7530 116.20 101.05 95.95 93.55 90.90 88.90
  25/32  .7813 2 6  3/  1/ 246725 92.20  .7531  .7840 122.55 107.30 102.30 99.90 97.20 95.25
  13/16  .8125 2 6  3/  1/ 246726 92.20  .7841  .8160 122.55 107.30 102.30 99.90 97.20 95.25
  27/32  .8438 2 6  3/  1/ 246727 96.10  .8161  .8470 126.40 111.20 106.10 103.65 101.10 99.05
   7/  .8750 2 6  1/ 10         246728 99.75  .8471  .8780 131.10 115.45 110.15 107.65 104.90 102.75
  29/32  .9063 2 6  1/ 10         246729 105.45  .8781  .9090 136.90 121.15 115.85 113.35 110.65 108.55
  15/16  .9375 3 8  1/ 10         246730 105.45  .9091  .9410 136.90 121.15 115.85 113.35 110.65 108.55
  31/32  .9688 3 8  1/ 10         246731 109.30  .9411  .9720 140.65 124.90 119.65 117.15 114.50 112.30
        1.0000 3 8  5/ 10  1/ 246732 109.30  .9721 1.0030 140.65 124.90 119.65 117.15 114.50 112.30
 1/32 1.0313 3 8  5/ 10  1/ 246733 119.55
 1/16 1.0625 3 8  5/ 10  1/ 246734 119.55 1.0031 1.0660 151.10 135.30 130.00 127.50 124.80 122.65
 3/32 1.0938 3 8  3/ 11         246735 119.55
 1/ 1.1250 3 8  3/ 11         246736 119.55 1.0661 1.1280 151.10 135.30 130.00 127.50 124.80 122.65
 3/16 1.1875 3 8  3/ 11         246738 134.50 1.1281 1.1905 165.90 150.15 144.90 142.40 139.70 137.60
 1/ 1.2500 4 8  7/ 11  1/ 246740 136.30 1.1906 1.2530 167.75 152.00 146.75 144.25 141.50 139.40
 5/16 1.3125 4 8  7/ 11  1/ 246742 149.00 1.2531 1.3155 180.40 164.65 159.35 156.90 154.25 152.05
 3/ 1.3750 4 8         12         246744 163.25 1.3156 1.3780 194.60 178.90 173.65 171.10 168.40 166.25
 7/16 1.4375 4 8         12         246746 183.20 1.3781 1.4405 216.70 199.95 194.30 191.60 188.75 186.50
 1/ 1.5000 4 8  1/ 12  1/ 246748 189.70 1.4406 1.5030 223.30 206.40 200.75 198.15 195.25 192.95
 9/16 1.5625 4 8  1/ 12  1/ 246750 260.65 1.5031 1.5660 294.20 277.40 271.80 269.15 266.20 263.95
 5/ 1.6250 4 8  1/ 13         246752 260.65 1.5661 1.6280 294.20 277.40 271.80 269.15 266.20 263.95
11/16 1.6875 4 8  1/ 13         246754 288.70 1.6281 1.6910 322.25 305.45 299.80 297.10 294.25 292.00
 3/ 1.7500 4 10  3/ 13  1/ 246756 288.70 1.6911 1.7530 322.25 305.45 299.80 297.10 294.25 292.00
13/16 1.8125 4 10  3/ 13  1/ 246758 341.80 1.7531 1.8160 375.35 358.60 353.00 350.30 347.35 345.15
 7/ 1.8750 4 10  1/ 14         246760 341.80 1.8161 1.8780 375.35 358.60 353.00 350.30 347.35 345.15
15/16 1.9375 4 10  1/ 14         246762 373.55 1.8781 1.9410 407.05 390.25 384.60 381.95 379.05 376.90
        2.0000 4 12  1/ 14         246764 373.55 1.9411 2.0030 407.05 390.25 384.60 381.95 379.05 376.90
 1/ 2.1250 5 12  3/ 14  1/ 246768 559.25 2.0031 2.1280 592.80 576.00 570.35 567.70 564.85 562.55
 1/ 2.2500 5 12  3/ 14  1/ 246772 600.60 2.1281 2.2530 634.15 617.30 611.75 609.00 606.15 603.95
 3/ 2.3750 5 12         15         246776 621.50 2.2531 2.3780 654.95 638.25 632.55 629.95 627.05 624.80
 1/ 2.5000 5 12         15         246780 621.50 2.3781 2.5030 654.95 638.25 632.55 629.95 627.05 624.80
* Quantities of 15 or more - price of fractional size in same size range
Don't see the Expansion Reamers you need?
If the above dimensions do not meet your specific Expansion Reamers needs we may be able to make modifications to one of the above Expansion Reamers or we can quote a full special to your exact requirements. Simply click here to view and print our special tool quote form. Fill it out and fax (800-867-9312) it back to Rock River Tool. We will let you know how we will provide the Expansion Reamers you requested.
Thank you for using Rock River Tool for your Expansion Reamers needs.