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Tandem Style ACME Taps
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Item # 64986
Item # 64986, 1 3/8-4 2G TANDEM ACME 4FL PLUG
List Price $654.51
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Tandem Style ACME Tap Application
Tandem Acme taps combine an initial roughing cut with a final finishing cut, in one pass.
The roughing section of the tap has a thread with a sharper angle which permits threads to be relieved more effectively and eliminates the wide, flat Acme crest. This results in free-cutting characteristics which makes greater stock removal possible.
The last few threads on the roughing section act as a guide for the short finishing section, which corrects the angles and brings the thread to size.
Buttress, Modified Square, Stub Acmes and Metric Trapezoidal taps available by requesting a quote.
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Specifications
Material
Ground thread/high speed steel
Type
Right Hand Taps
Size and Threads Per Inch
1 3/8-4
Overall Length (A)
12 1/4
in
Thread Length (B)
5 7/8
in
Square Length (C)
1 1/4
in
Shank Diameter (D)
1.108
in
Size of Square (E)
0.831
in
Max. Depth of Nut (Bronze and Steel)
2 3/4
in
Max. Depth of Nut (Brass and Cast Iron)
4 1/8
in
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