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Acme Hand Taps<br />
Right and Left Hand High Speed Steel<br />
Acme Hand Taps are recommended for either blind (if sufficient depth is available) or thru holes in<br />
brass, cast iron, free machining bronze, zinc and aluminum die-casting, some aluminum alloys and free<br />
machining steel where the length of the thread to be tapped does not exceed 1 to 1.1/2 times the<br />
diameter and the threads per inch are not coarser than standard 60º N.C. Threads for the diameter.<br />
Many sizes are available from stock, manufactured to general purpose 2G specifications and Table 302<br />
Dimensions.<br />
Size<br />
Overall<br />
Length<br />
Thread<br />
Length<br />
Shank<br />
Diameter<br />
Square<br />
Size<br />
Square<br />
Length<br />
RH<br />
EDP #<br />
1/4"-16 NA 2.1/2" 1" .255" .191" 5/16" 34000 -<br />
5/16"-14 NA 2.23/32" 1.1/8" .318" .238" 3/8" 34010 -<br />
3/8"-10 NA 2.15/16" 1.1/4" .381" .286" 7/16" 34020 -<br />
3/8"-12 NA 2.15/16" 1.1/4" .381" .286" 7/16" 34030 -<br />
7/16"-12 NA 3.5/32" 1.7/16" .323" .242" 13/32" 34040 -<br />
1/2"-8 NA 3.3/8" 1.21/32" .367" .275" 7/16" 34050 -<br />
LH<br />
EDP #<br />
1/2"-10 NA 3.3/8" 1.21/32" .367" .275" 7/16" 34060 34061<br />
5/8"-5 NA 3.13/16" 1.13/16" .480" .360" 9/16" 34070 34071<br />
5/8"-8 NA 3.13/16" 1.13/16" .480" .360" 9/16" 34090 34091<br />
5/8"-10 NA 3.13/16" 1.13/16" .480" .360" 9/16" 34100 34101<br />
3/4"-5 NA 4.1/4" 2" .590" .442" 11/16" 34110 34111<br />
3/4"-6 NA 4.1/4" 2" .590" .442" 11/16" 34120 34121<br />
3/4"-8 NA 4.1/4" 2" .590" .442" 11/16" 34130 34131<br />
3/4"-10 NA 4.1/4" 2" .590" .442" 11/16" 34140 34141<br />
3/4"-12 NA 4.1/4" 2" .590" .442" 11/16" 34150 -<br />
7/8"-5 NA 4.11/16" 2.7/32" .697" .523" 3/4" 34160 34161<br />
7/8"-6 NA 4.11/16" 2.7/32" .697" .523" 3/4" 34170 34171<br />
7/8"-8 NA 4.11/16" 2.7/32" .697" .523" 3/4" 34180 34181<br />
1"-4 NA 5.1/8" 2.1/2" .800" .600" 13/16" 34190 34191<br />
1"-5 NA 5.1/8" 2.1/2" .800" .600" 13/16" 34200 34201<br />
1"-6 NA 5.1/8" 2.1/2" .800" .600" 13/16" 34210 34211<br />
1"-8 NA 5.1/8" 2.1/2" .800" .600" 13/16" 34220 34221<br />
1"-10 NA 5.1/8" 2.1/2" .800" .600" 13/16" 34230 -<br />
1.1/8"-5 NA 5.7/16" 2.9/16" .896" .672" 7/8" 34240 34241<br />
1.1/4"-4 NA 5.3/4" 2.9/16" 1.021" .766" 1" 34250 34251<br />
1.1/4"-5 NA 5.3/4" 2.9/16" 1.021" .766" 1" 34260 34261<br />
1.3/8"-4 NA 6.1/16" 3" 1.108" .831" 1.1/16" 34270 34271<br />
1.1/2"-4 NA 6.3/8" 3" 1.233" .925" 1.1/8" 34280 34281<br />
V 1.0 – November 2011 Page 29
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