CHUCKING REAMERS -- CARBIDE TIPPED

LEFT SPIRAL FLUTES -- STRAIGHT SHANK

TYPE 2420 -- LEFT SPIRAL FLUTES -- STRAIGHT SHANK

Straight shanks and polished spiral flutes.
Carbide tips brazed to one piece hardened tool steel bodies.
Cutting diameter tolerance plus .0003" minus .0000".

USE:

Left spiral flutes should only be used on through holes for heat treated steels, hard cast iron and other hard materials.
Finishes are much better as spiral flutes tend to bridge interruptions such as keyways, slots or intersecting holes.

OPTIONS

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


Tool
Diameter		 Dimensions Type 2420
EDP NO.		 Price Finished To Modified Tool Diameter
Shank Diameter 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*
   3/16  .1875   11/64 4 1  1/8  4  1/2  242006 $42.20  .1770  .2040 $69.60 $55.90 $51.30 $49.10 $46.75 $44.90
   7/32  .2188   13/64 4 1  1/4  5         242007 42.20  .2041  .2210 69.60 55.90 51.30 49.10 46.75 44.90
  15/64  .2344    7/32 4 1  1/2  6         24202344 42.20  .2211  .2380 69.60 55.90 51.30 49.10 46.75 44.90
   1/4   .2500   15/64 4 1  1/2  6         242008 42.20  .2381  .2530 69.60 55.90 51.30 49.10 46.75 44.90
   9/32  .2813   15/64 4 1  1/2  6         242009 42.35  .2531  .2840 69.70 56.00 51.40 49.20 46.85 45.00
   5/16  .3125    9/32 4 1  1/2  6         242010 42.35  .2841  .3150 69.70 56.00 51.40 49.20 46.85 45.00
  11/32  .3438    9/32 4 1  1/2  6         242011 46.60  .3151  .3470 74.00 60.25 55.65 53.50 51.15 49.30
   3/8   .3750    5/16 4 1  3/4  7         242012 47.05  .3471  .3780 74.40 60.70 56.10 53.95 51.60 49.75
  13/32  .4063    5/16 4 1  3/4  7         242013 49.15  .3781  .4090 76.55 62.85 58.25 56.05 53.70 51.85
   7/16  .4375    3/8  4 1  3/4  7         242014 51.15  .4091  .4410 78.50 64.80 60.20 58.00 55.65 53.80
  15/32  .4688    3/8  4 1  3/4  7         242015 54.25  .4411  .4720 81.65 67.95 63.35 61.15 58.80 56.95
   1/2   .5000    7/16 6 2         8         242016 56.30  .4721  .5030 84.40 70.30 65.60 63.35 60.95 59.05
  17/32  .5313    7/16 6 2         8         242017 58.00  .5031  .5340 86.15 72.05 67.35 65.10 62.70 60.80
   9/16  .5625    7/16 6 2         8         242018 58.00  .5341  .5660 86.15 72.05 67.35 65.10 62.70 60.80
  19/32  .5938    7/16 6 2         8         242019 59.75  .5661  .5970 87.85 73.75 69.05 66.80 64.40 62.50
   5/8   .6250    9/16 6 2  1/4  9         242020 59.75  .5971  .6280 87.85 73.75 69.05 66.80 64.40 62.50
  21/32  .6563    9/16 6 2  1/4  9         242021 61.45  .6281  .6590 89.60 75.50 70.80 68.55 66.10 64.25
  11/16  .6875    9/16 6 2  1/4  9         242022 65.45  .6591  .6910 93.55 79.45 74.75 72.50 70.10 68.20
  23/32  .7188    9/16 6 2  1/4  9         242023 66.35  .6911  .7220 94.45 80.40 75.65 73.45 71.00 69.10
   3/4   .7500    5/8  6 2  1/2  9  1/2  242024 67.40  .7221  .7530 95.50 81.40 76.70 74.45 72.05 70.15
  25/32  .7813    5/8  6 2  1/2  9  1/2  242025 69.10  .7531  .7840 97.25 83.15 78.45 76.20 73.75 71.90
  13/16  .8125    5/8  6 2  1/2  9  1/2  242026 69.10  .7841  .8160 97.25 83.15 78.45 76.20 73.75 71.90
  27/32  .8438    5/8  6 2  1/2  9  1/2  242027 72.90  .8161  .8470 101.05 86.95 82.20 80.00 77.55 75.65
   7/8   .8750    3/4  6 2  5/8  10         242028 72.90  .8471  .8780 101.05 86.95 82.20 80.00 77.55 75.65
  29/32  .9063    3/4  6 2  5/8  10         242029 84.95  .8781  .9090 113.05 98.95 94.25 92.00 89.60 87.70
  15/16  .9375    3/4  8 2  5/8  10         242030 84.95  .9091  .9410 113.05 98.95 94.25 92.00 89.60 87.70
  31/32  .9688    3/4  8 2  5/8  10         242031 89.05  .9411  .9720 117.20 103.10 98.40 96.15 93.70 91.85
1         1.0000    7/8  8 2  3/4  10  1/2  242032 89.05  .9721 1.0030 117.20 103.10 98.40 96.15 93.70 91.85
1  1/16 1.0625    7/8  8 2  3/4  10  1/2  242034 95.55 1.0031 1.0660 123.70 109.60 104.90 102.65 100.20 98.30
1  1/8  1.1250    7/8  8 2  7/8  11         242036 98.50 1.0661 1.1280 126.60 112.55 107.80 105.55 103.15 101.25
1  3/16 1.1875 1         8 2  7/8  11         242038 103.50 1.1281 1.1905 131.60 117.55 112.80 110.55 108.15 106.25
1  1/4  1.2500 1         8 3         11  1/2  242040 109.55 1.1906 1.2530 137.65 123.55 118.85 116.60 114.20 112.30
1  5/16 1.3125 1         8 3         11  1/2  242042 121.20 1.2531 1.3155 149.35 135.25 130.50 128.30 125.85 123.95
1  3/8  1.3750 1         8 3  1/4  12         242044 132.80 1.3156 1.3780 160.95 146.85 142.15 139.90 137.50 135.60
1  7/16 1.4375 1  1/4  8 3  1/4  12         242046 140.70 1.3781 1.4405 168.80 154.75 150.00 147.80 145.35 143.45
1  1/2  1.5000 1  1/4  8 3  1/2  12  1/2  242048 148.65 1.4406 1.5030 176.75 162.65 157.95 155.70 153.30 151.40
* Quantities of 15 or more - price of fractional size in same size range