Airtek Ltd. — 514-336-3820 — sales@airtekltd.com — www.airtekltd.com

Cutting Tools
Yankee Precision Ground Reamers
Straight Shank Chucking Reamers

Chucking Reamer

Straight Flute - Straight Shank
List # 433 High Speed Steel
List # 1433 M42 Cobalt

Chucking Reamer

Right Hand Flute - Straight Shank
List # 435 High Speed Steel
List # 1435 M42 Cobalt

Chucking Reamer

Left Hand Flute - Straight Shank
List # 435L High Speed Steel

Designed for use in all types of machine tool equipment. Ground with a 45° chamfer they are suitable for production reaming of most materials.

Part number = Series and Decimal Size
example Series 433 Straight Flute 1/4"
Part Number = 433-.2500

Intermediate sizes available upon request
Diameter Tolerances

Thru 1/2"
+. 0002
- .0000
1/2" to 5/8"
+. 0003
- .0000
5/8" to 1-1/2"
+. 0001
+ .0005

Diameter Flute
Length		 # Flutes OAL Shank
Diameter
#80 .0135 3/8 2 3/4 .0135
#79 .0145 3/8 2 3/4 .0145
1/64 .0156 3/8 2 3/4 .0156
#78 .0160 3/8 2 7/8 .0160
#77 .0180 3/8 2 7/8 .0180
#76 .0200 3/8 2 7/8 .0200
#75 .0210 1/2 3 1 .0210
#74 .0225 1/2 3 1 .0225
#73 .0240 1/2 3 1-1/8 .0240
#72 .0250 1/2 3 1-1/8 .0250
#71 .0260 1/2 3 1-1/4 .0260
#70 .0280 1/2 3 1-1/4 .0280
#69 .0292 1/2 3 1-3/8 .0292
#68 .0310 1/2 3 1-3/8 .0310
1/32 .0312 1/2 3 1-3/8 .0312
#67 .0320 1/2 3 1-3/8 .0330
#66 .0330 1/2 3 1-3/8 .0330
#65 .0350 1/2 3 1-1/2 .0350
#64 .0360 1/2 3 1-1/2 .0360
#63 .0370 1/2 3 1-1/2 .0370
#62 .0380 1/2 3 1-1/2 .0380
#61 .0390 1/2 3 1-1/2 .0390
1.0mm .0394 1/2 4 2-1/2 .0384
#60 .0400 1/2 4 2-1/2 .0390
#59 .0410 1/2 4 2-1/2 .0390
#58 .0420 1/2 4 2-1/2 .0390
#57 .0430 1/2 4 2-1/2 .0390
#56 .0465 1/2 4 2-1/2 .0455
3/64 .0469 1/2 4 2-1/2 .0455
#55 .0520 1/2 4 2-1/2 .0510
#54 .0550 1/2 4 2-1/2 .0510
1.5mm .0591 1/2 4 2-1/2 .0510
#53 .0595 1/2 4 2-1/2 .0585
1/16 .0625 1/2 4 2-1/2 .0585
#52 .0635 1/2 4 2-1/2 .0585
#51 .0670 3/4 4 3 .0660
#50 .0700 3/4 4 3 .0660
#49 .0730 3/4 4 3 .0660
#48 .0760 3/4 4 3 .0720
5/64 .0781 3/4 4 3 .0720
#47 .0785 3/4 4 3 .0720
2.0mm .0787 3/4 4 3 .0720
#46 .0810 3/4 4 3 .0771
#45 .0860 3/4 4 3 .0771
#44 .0860 3/4 4 3 .0810
#43 .0890 3/4 4 3 .0810
#42 .0935 3/4 4 3 .0880
3/32 .0938 3/4 4 3 .0880
#41 .0960 7/8 4 3-1/2 .0928
#40 .0980 7/8 4 3-1/2 .0928
2.5mm .0984 7/8 4 3-1/2 .0928
#39 .0995 7/8 4 3-1/2 .0928
#38 .1015 7/8 4 3-1/2 .0950
#37 .1040 7/8 4 3-1/2 .0950
#36 .1065 7/8 4 3-1/2 .1030
7/64 .1094 7/8 4 3-1/2 .1030
#35 .1100 7/8 4 3-1/2 .1030
#34 .1110 7/8 4 3-1/2 .1055
#33 .1130 7/8 4 3-1/2 .1055
#32 .1160 7/8 4 3-1/2 .1120
3.0mm .1181 7/8 4 3-1/2 .1120
#31 .1200 7/8 4 3-1/2 .1120
o/u .1240 7/8 4 3-1/2 .1190
1/8 .1250 7/8 4 3-1/2 .1190
o/u .1260 7/8 4 3-1/2 .1190
#30 .1285 7/8 4 3-1/2 .1190
#29 .1360 1 4 4 .1275
3.5mm .1378 1 4 4 .1350
#28 .1405 1 4 4 .1350
9/64 .1406 1 4 4 .1350
#27 .1440 1 4 4 .1350
#26 .1470 1 4 4 .1430
#25 .1495 1 4 4 .1430
#24 .1520 1 4 4 .1460
#23 .1540 1 4 4 .1460
5/32 .1562 1 4 4 .1510
#22 .1570 1 6 4 .1510
4.0mm .1575 1 6 4 .1510
#21 .1590 1-1/8 6 4-1/2 .1530
#20 .1610 1-1/8 6 4-1/2 .1530
#19 .1660 1-1/8 6 4-1/2 .1595
#18 .1695 1-1/8 6 4-1/2 .1595
11/64 .1719 1-1/8 6 4-1/2 .1645
#17 .1730 1-1/8 6 4-1/2 .1645
#16 .1770 1-1/8 6 4-1/2 .1704
4.5mm .1772 1-1/8 6 4-1/2 .1704
#15 .1800 1-1/8 6 4-1/2 .1755
#14 .1820 1-1/8 6 4-1/2 .1755
#13 .1850 1-1/8 6 4-1/2 .1805
o/u .1865 1-1/8 6 4-1/2 .1805
3/16 .1875 1-1/8 6 4-1/2 .1805
o/u .1885 1-1/8 6 4-1/2 .1805
#12 .1890 1-1/8 6 4-1/2 .1805
#11 .1910 1-1/4 6 5 .1860
#10 .1935 1-1/4 6 5 .1860
#9 .1960 1-1/4 6 5 .1895
5.0mm .1969 1-1/4 6 5 .1895
#8 .1990 1-1/4 6 5 .1895
#7 .2010 1-1/4 6 5 .1945
13/64 .2031 1-1/4 6 5 .1945
#6 .2040 1-1/4 6 5 .1945
#5 .2055 1-1/4 6 5 .2016
#4 .2090 1-1/4 6 5 .2016
#3 .2130 1-1/4 6 5 .2075
5.5mm .2165 1-1/4 6 5 .2075
7/32 .2188 1-1/4 6 5 .2075
#2 .2210 1-1/2 6 6 .2173
#1 .2280 1-1/2 6 6 .2173
A .2340 1-1/2 6 6 .2265
15/64 .2344 1-1/2 6 6 .2265
6.0mm .2362 1-1/2 6 6 .2265
B .2380 1-1/2 6 6 .2329
C .2420 1-1/2 6 6 .2329
D .2460 1-1/2 6 6 .2329
o/u .2490 1-1/2 6 6 .2405
E .2500 1-1/2 6 6 .2405
1/4 .2500 1-1/2 6 6 .2405
o/u .2510 1-1/2 6 6 .2405
6.5mm .2559 1-1/2 6 6 .2405
F .2570 1-1/2 6 6 .2485
G .2610 1-1/2 6 6 .2485
17/64 .2656 1-1/2 6 6 .2485
H .2660 1-1/2 6 6 .2485
I .2720 1-1/2 6 6 .2485
7.0mm .2756 1-1/2 6 6 .2485
J .2770 1-1/2 6 6 .2485
K .2810 1-1/2 6 6 .2485
9/32 .2812 1-1/2 6 6 .2485
L .2900 1-1/2 6 6 .2792
M .2950 1-1/2 6 6 .2792
7.5mm .2953 1-1/2 6 6 .2792
19/64 .2969 1-1/2 6 6 .2792
Diameter Flute
Length		 # Flutes OAL Shank
Diameter
N .3020 1-1/2 6 6 .2792
o/u .3115 1-1/2 6 6 .2792
5/16 .3125 1-1/2 6 6 .2792
o/u .3135 1-1/2 6 6 .2792
8.0mm .3150 1-1/2 6 6 .2792
O .3160 1-1/2 6 6 .2792
P .3230 1-1/2 6 6 .2792
21/64 .3281 1-1/2 6 6 .2792
Q .3320 1-1/2 6 6 .2792
8.5mm .3346 1-1/2 6 6 .2792
R .3390 1-1/2 6 6 .2792
11/32 .3438 1-1/2 6 6 .2792
S .3480 1-3/4 6 7 .3105
9.0mm .3543 1-3/4 6 7 .3105
T .3580 1-3/4 6 7 .3105
23/64 .3594 1-3/4 6 7 .3105
U .3680 1-3/4 6 7 .3105
9.5mm .3740 1-3/4 6 7 .3105
o/u .3740 1-3/4 6 7 .3105
3/8 .3750 1-3/4 6 7 .3105
o/u .3760 1-3/4 6 7 .3105
V .3770 1-3/4 6 7 .3105
W .3860 1-3/4 6 7 .3105
25/64 .3906 1-3/4 6 7 .3105
10.0mm .3937 1-3/4 6 7 .3105
X .3970 1-3/4 6 7 .3105
Y .4040 1-3/4 6 7 .3105
13/32 .4062 1-3/4 6 7 .3105
Z .4130 1-3/4 6 7 .3730
10.5mm .4134 1-3/4 6 7 .3730
27/64 .4219 1-3/4 6 7 .3730
11.0mm .4331 1-3/4 6 7 .3730
o/u .4365 1-3/4 6 7 .3730
7/16 .4375 1-3/4 6 7 .3730
o/u .4385 1-3/4 6 7 .3730
11.5mm .4528 1-3/4 6 7 .3730
29/64 .4531 1-3/4 6 7 .3730
15/32 .4688 1-3/4 6 7 .3730
12.0mm .4724 2 6 8 .4355
31/64 .4844 2 6 8 .4355
12.5mm .4921 2 6 8 .4355
o/u .4990 2 6 8 .4355
1/2 .5000 2 6 8 .4355
o/u .5010 2 6 8 .4355
13.0mm .5118 2 8 8 .4355
33/64 .5156 2 8 8 .4355
17/32 .5312 2 8 8 .4355
13.5mm .5315 2 8 8 .4355
35/64 .5469 2 8 8 .4355
14.0mm .5512 2 8 8 .4355
o/u .5615 2 8 8 .4355
9/16 .5625 2 8 8 .4355
o/u .5635 2 8 8 .4355
14.5mm .5709 2 8 8 .4355
37/64 .5781 2 8 8 .4355
15.0mm .5906 2 8 8 .4355
19/32 .5938 2 8 8 .4355
39/64 .6094 2-1/4 8 9 .5615
15.5mm .6102 2-1/4 8 9 .5615
o/u .6240 2-1/4 8 9 .5615
5/8 .6250 2-1/4 8 9 .5615
o/u .6260 2-1/4 8 9 .5615
16.0mm .6299 2-1/4 8 9 .5615
41/64 .6406 2-1/4 8 9 .5615
16.5mm .6496 2-1/4 8 9 .5615
21/32 .6562 2-1/4 8 9 .5615
17.0mm .6693 2-1/4 8 9 .5615
43/64 .6719 2-1/4 8 9 .5615
o/u .6865 2-1/4 8 9 .5615
11/16 .6875 2-1/4 8 9 .5615
o/u .6885 2-1/4 8 9 .5615
17.5mm .6890 2-1/4 8 9 .5615
45/64 .7031 2-1/4 8 9 .5615
18.0mm .7087 2-1/4 8 9 .5615
23/32 .7188 2-1/4 8 9 .5615
18.5mm .7283 2-1/2 8 9-1/2 .6240
47/64 .7344 2-1/2 8 9-1/2 .6240
19.0mm .7480 2-1/2 8 9-1/2 .6240
o/u .7490 2-1/2 8 9-1/2 .6240
3/4 .7500 2-1/2 8 9-1/2 .6240
o/u .7510 2-1/2 8 9-1/2 .6240
49/64 .7656 2-1/2 8 9-1/2 .6240
19.5mm .7677 2-1/2 8 9-1/2 .6240
25/32 .7812 2-1/2 8 9-1/2 .6240
20.0mm .7874 2-1/2 8 9-1/2 .6240
51/64 .7969 2-1/2 8 9-1/2 .6240
20.5mm .8071 2-1/2 8 9-1/2 .6240
o/u .8115 2-1/2 8 9-1/2 .6240
13/16 .8125 2-1/2 8 9-1/2 .6240
o/u .8135 2-1/2 8 9-1/2 .6240
21.0mm .8268 2-1/2 8 9-1/2 .6240
53/64 .8281 2-1/2 8 9-1/2 .6240
27/32 .8438 2-1/2 8 9-1/2 .6240
21.5mm .8465 2-5/8 8 10 .7490
55/64 .8594 2-5/8 8 10 .7490
22.0mm .8661 2-5/8 8 10 .7490
o/u .8740 2-5/8 8 10 .7490
7/8 .8750 2-5/8 8 10 .7490
o/u .8760 2-5/8 8 10 .7490
22.5mm .8858 2-5/8 8 10 .7490
57/64 .8906 2-5/8 8 10 .7490
23.0mm .9055 2-5/8 8 10 .7490
29/32 .9062 2-5/8 8 10 .7490
59/64 .9219 2-5/8 8 10 .7490
23.5mm .9252 2-5/8 8 10 .7490
o/u .9365 2-5/8 8 10 .7490
15/16 .9375 2-5/8 8-10 10 .7490
o/u .9385 2-5/8 8-10 10 .7490
61/64 .9531 2-5/8 8-10 10 .7490
24.5mm .9646 2-5/8 8-10 10 .7490
31/32 .9688 2-5/8 8-10 10 .7490
25.0mm .9843 2-3/4 8-10 10-1/2 .8740
63/64 .9844 2-3/4 8-10 10-1/2 .8740
o/u .9990 2-3/4 8-10 10-1/2 .8740
1 1.0000 2-3/4 8-10 10-1/2 .8740
o/u 1.0010 2-3/4 8-10 10-1/2 .8740
1-1/32 1.0312 2-3/4 8-10 10-1/2 .8740
1-1/16 1.0625 2-3/4 8-10 10-1/2 .8740
1-3/32 1.0938 2-7/8 8-10 11 .8740
1-1/8 1.1250 2-7/8 8-10 11 .8740
1-5/32 1.1562 2-7/8 8-12 11 .9990
1-3/16 1.1875 2-7/8 8-12 11 .9990
1-7/32 1.2187 3 8-12 11-1/2 .9990
1-1/4 1.2500 3 8-12 11-1/2 .9990
1-9/32 1.2812 3 8-12 11-1/2 .9990
1-5/16 1.3125 3 8-12 11-1/2 .9990
1-11/32 1.3438 3-1/4 8-12 12 .9990
1-3/8 1.3750 3-1/4 8-12 12 .9990
1-13/32 1.4062 3-1/4 8-12 12 1.2490
1-7/16 1.4375 3-1/4 8-12 12 1.2490
1-15/32 1.4688 3-1/2 8-12 12 1.2490
1-1/2 1.5000 3-1/2 8-12 12 1.2490

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Yankee Corporation has been in operation for more than 25 years.

Yankee reamers are manufactured in the USA.

Yankee reamers are used extensively in all major aeronautic, aerospace, automotive, military and metal fabrication facilities.

Yankee reamers whether H.S.S. or Cobalt meet or exceed all industry standards.

Due to the fact that we are continuously improving our products, the descriptions, illustrations,
specifications,dimensions, and part numbers are subject to change without notice.
Every effort has been made to have the information on this site error free, we can not be responsible for errors and or omissions.


Airtek (1990) Ltée, 5750 Donahue St., Montreal, Qc, Canada, H4S 1C1
Tel: 514-336-3820