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Yankee Precision Ground Reamers
 
Airtek Straight Shank Chucking Reamers
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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

Continued on next page
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