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Besly
Chucking Reamers

High Speed Steel
Straight Shank

Straight Flute
Right Hand Cut

Fractional Sizes:
3/64 | 1/16 | 5/64 | 3/32 | 7/64 | 1/8 | 9/64 | 5/32 | 11/64 | 3/16 | 13/64 | 7/32 | 15/64 | 1/4 | 17/64 | 9/32 | 19/64 | 5/16 | 21/64 | 11/32 | 23/64 | 3/8 | 25/64 | 13/32 | 27/64 | 7/16 | 29/64 | 15/32 | 31/64 | 1/2 | 17/32 | 9/16 | 19/32 | 5/8 | 21/32 | 11/16 | 23/32 | 3/4 | 25/32 | 13/16 | 27/32 | 7/8 | 29/32 | 15/16 | 31/32 | 1 | 1-1/16 | 1-1/8 | 1-3/16 | 1-1/4 | 1-3/8 | 1-1/2

Wire Gauge Sizes:
60-50 | 49-40 | 39-30 | 29-20 | 19-10 | 9-1

Letter Sizes:
A-G | H-M | N-T | U-Z

Decimal Sizes:
.124 | .126 | .1865 | .1885 | .249 | .251 | .3115 | .3135 | .374 | .376 | .4365 | .4385 | .499 | .501

Catalog Number: 731

Besly Chucking Reamers

This machine reamer has relatively short straight flutes on which the peripheral lands are relieved. It has a slight back taper and a slight chamfer on the end. In use, best results are obtained in a floating holder.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

   
  Besly
Chucking Reamers

Catl No. 731

Fractional Sizes
 
 
   
Fractional
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
3/64 .0469 21274 1 2-1/2 1/2 .0455
1/16 .0625 21275 1 2-1/2 1/2 .0585
5/64 .0781 21280 1 3 3/4 .0720
3/32 .0938 21281 1 3 3/4 .0880
7/64 .1094 21282 1 3-1/2 7/8 .1030
1/8 .1250 21283 1 3-1/2 7/8 .1190
9/64 .1406 21284 1 4 1 .1350
5/32 .1562 21285 1 4 1 .1510
11/64 .1719 21290 1 4-1/2 1-1/8 .1645
3/16 .1875 21291 1 4-1/2 1-1/8 .1805
13/64 .2031 21292 1 5 1-1/4 .1945
7/32 .2188 21293 1 5 1-1/4 .2075
15/64 .2344 21294 1 6 1-1/2 .2265
1/4 .2500 21295 1 6 1-1/2 .2405
17/64 .2656 21300 1 6 1-1/2 .2485
9/32 .2812 21301 1 6 1-1/2 .2485
19/64 .2969 21302 1 6 1-1/2 .2792
5/16 .3125 21303 1 6 1-1/2 .2792
21/64 .3281 21304 1 6 1-1/2 .2792
11/32 .3438 21305 1 6 1-1/2 .2792
23/64 .3594 21310 1 7 1-3/4 .3105
3/8 .3750 21311 1 7 1-3/4 .3105
25/64 .3906 21312 1 7 1-3/4 .3105
13/32 .4062 21313 1 7 1-3/4 .3105
27/64 .4219 21314 1 7 1-3/4 .3730
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Fractional
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
7/16 .4375 21315 1 7 1-3/4 .3730
29/64 .4531 21320 1 7 1-3/4 .3730
15/32 .4688 21321 1 7 1-3/4 .3730
31/64 .4844 21322 1 8 2 .4355
1/2 .5000 21323 1 8 2 .4355
17/32 .5312 21324 1 8 2 .4355
9/16 .5625 21325 1 8 2 .4355
19/32 .5938 21330 1 8 2 .4355
5/8 .6250 21331 1 9 2-1/4 .5620
21/32 .6562 21332 1 9 2-1/4 .5620
11/16 .6875 21333 1 9 2-1/4 .5620
23/32 .7188 21334 1 9 2-1/4 .5620
3/4 .7500 21335 1 9-1/2 2-1/2 .6245
25/32 .7812 21340 1 9-1/2 2-1/2 .6245
13/16 .8125 21341 1 9-1/2 2-1/2 .6245
27/32 .8438 21342 1 9-1/2 2-1/2 .6245
7/8 .8750 21343 1 10 2-5/8 .7495
29/32 .9062 21344 1 10 2-5/8 .7495
15/16 .9375 21345 1 10 2-5/8 .7495
31/32 .9688 21350 1 10 2-5/8 .7495
1 1.0000 21351 1 10-1/2 2-3/4 .8745
1-1/16 1.0625 21352 1 10-1/2 2-3/4 .8745
1-1/8 1.1250 21353 1 11 2-7/8 .8745
1-3/16 1.1875 21354 1 11 2-7/8 .9995
1-1/4 1.2500 21355 1 11-1/2 3 .9995
1-3/8 1.3750 21360 1 12 3-1/4 .9995
1-1/2 1.5000 21361 1 12-1/2 3-1/2 1.2495
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  Besly
Chucking Reamers

Catl No. 731

Wire Gauge Sizes
 
 
   
Size Decimal
Equivalent
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
60 .0400 21461 1 2-1/2 1/2 .0390
59 .0410 21460 1 2-1/2 1/2 .0390
58 .0420 21455 1 2-1/2 1/2 .0390
57 .0430 21454 1 2-1/2 1/2 .0390
56 .0465 21453 1 2-1/2 1/2 .0455
55 .0550 21452 1 2-1/2 1/2 .0510
54 .0550 21451 1 2-1/2 1/2 .0510
53 .0595 21450 1 2-1/2 1/2 .0585
52 .0635 21445 1 2-1/2 1/2 .0585
51 .0670 21444 1 3 3/4 .0660
50 .0700 21443 1 3 3/4 .0660
49 .0730 21442 1 3 3/4 .0660
48 .0760 21441 1 3 3/4 .0720
47 .0785 21440 1 3 3/4 .0720
46 .0810 21435 1 3 3/4 .0771
45 .0820 21434 1 3 3/4 .0771
44 .0810 21433 1 3 3/4 .0810
43 .0890 21432 1 3 3/4 .0810
42 .0935 21431 1 3 3/4 .0880
41 .0960 21430 1 3-1/2 7/8 .0928
40 .0980 21425 1 3-1/2 7/8 .0928
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Size Decimal
Equivalent
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
39 .0995 21424 1 3-1/2 7/8 .0928
38 .1015 21423 1 3-1/2 7/8 .0950
37 .1040 21422 1 3-1/2 7/8 .0950
36 .1065 21421 1 3-1/2 7/8 .1030
35 .1100 21420 1 3-1/2 7/8 .1030
34 .1110 21415 1 3-1/2 7/8 .1055
33 .1130 21414 1 3-1/2 7/8 .1055
32 .1160 21413 1 3-1/2 7/8 .1120
31 .1200 21412 1 3-1/2 7/8 .1120
30 .1285 21411 1 3-1/2 7/8 .1190
29 .1360 21410 1 4 1 .1275
28 .1405 21405 1 4 1 .1350
27 .1440 21404 1 4 1 .1350
26 .1470 21403 1 4 1 .1430
25 .1495 21402 1 4 1 .1430
24 .1520 21401 1 4 1 .1460
23 .1540 21400 1 4 1 .1460
22 .1570 21395 1 4 1 .1510
21 .1590 21394 1 4-1/2 1-1/8 .1530
20 .1610 21393 1 4-1/2 1-1/8 .1530
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Size Decimal
Equivalent
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
19 .1660 21392 1 4-1/2 1-1/8 .1595
18 .1695 21391 1 4-1/2 1-1/8 .1595
17 .1730 21390 1 4-1/2 1-1/8 .1645
16 .1770 21385 1 4-1/2 1-1/8 .1704
15 .1800 21384 1 4-1/2 1-1/8 .1755
14 .1820 21383 1 4-1/2 1-1/8 .1755
13 .1850 21382 1 4-1/2 1-1/8 .1805
12 .1890 21381 1 4-1/2 1-1/8 .1805
11 .1910 21380 1 5 1-1/4 .1860
10 .1935 21375 1 5 1-1/4 .1860
9 .1960 21374 1 5 1-1/4 .1895
8 .1990 21373 1 5 1-1/4 .1895
7 .2010 21372 1 5 1-1/4 .1945
6 .2040 21371 1 5 1-1/4 .1945
5 .2055 21370 1 5 1-1/4 .2016
4 .2090 21365 1 5 1-1/4 .2016
3 .2130 21364 1 5 1-1/4 .2075
2 .2210 21363 1 6 1-1/2 .2173
1 .2280 21362 1 6 1-1/2 .2173
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  Besly
Chucking Reamers

Catl No. 731

Letter Sizes
 
 
   
Letter
Size
Decimal
Equivalent
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
A .2340 21515 1 6 1-1/2 .2265
B .2380 21520 1 6 1-1/2 .2329
C .2420 21521 1 6 1-1/2 .2329
D .2460 21522 1 6 1-1/2 .2329
E .2500 21523 1 6 1-1/2 .2405
F .2570 21524 1 6 1-1/2 .2485
G .2610 21525 1 6 1-1/2 .2485
H .2660 21530 1 6 1-1/2 .2485
I .2720 21531 1 6 1-1/2 .2485
J .2770 21532 1 6 1-1/2 .2485
K .2810 21533 1 6 1-1/2 .2485
L .2900 21534 1 6 1-1/2 .2792
M .2950 21535 1 6 1-1/2 .2792
N .3020 21540 1 6 1-1/2 .2792
O .3160 21541 1 6 1-1/2 .2792
P .3230 21542 1 6 1-1/2 .2792
Q .3320 21543 1 6 1-1/2 .2792
R .3390 21544 1 6 1-1/2 .2792
S .3480 21545 1 7 1-3/4 .3105
T .3580 21550 1 7 1-3/4 .3105
U .3680 21551 1 7 1-3/4 .3105
V .3770 21552 1 7 1-3/4 .3105
W .3860 21553 1 7 1-3/4 .3105
X .3970 21554 1 7 1-3/4 .3105
Y .4040 21555 1 7 1-3/4 .3105
Z .4130 21560 1 7 1-3/4 .3730
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  Besly
Chucking Reamers

Catl No. 731

Decimal Sizes
 
 
   
Decimal
Size
EDP No Pkg Qty Overall
Length
Flute
Length
Shank
Diameter
.124 21561 1 3-1/2 7/8 .1190
.126 21562 1 3-1/2 7/8 .1190
.1865 21563 1 4-1/2 1-1/8 .1805
.1885 21564 1 4-1/2 1-1/8 .1805
.249 21565 1 6 1-1/2 .2405
.251 21570 1 6 1-1/2 .2405
.3115 21571 1 6 1-1/2 .2792
.3135 21572 1 6 1-1/2 .2792
.374 21573 1 7 1-3/4 .3105
.376 21574 1 7 1-3/4 .3105
.4365 21575 1 7 1-3/4 .3730
.4385 21580 1 7 1-3/4 .3730
.499 21581 1 8 2 .4355
.501 21582 1 8 2 .4355
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