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Recommended Recommended
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Ramping Is The Best Choice Ramping Is The Best Choice YIH TROUN ENTERPRISE CO.,LTD

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Technical Guide Internal Thread 1 Plunging Is Not Recommended External Thread 1 Plunging Is Not Recommended

0.50 0,48 0,48 - - 0.50 0,31 0,31 - - 28 0,69 0,69 - -
0.75 0,48 0,48 - - 0.75 0,46 0,46 - - 26 0,72 0,72 - -
0.80 0,52 0,52 - - 0.80 0,49 0,49 - - 20 0,92 0,92 - -

1.0 0,65 0,65 - - 1.0 0,60 0,60 - - 19 0,96 0,96 - -
1.25 0,81 0,81 - - 1.25 0,75 0,75 - - 18 1,01 1,01 - -

1.5 0,93 0,93 - - 1.5 0,85 0,85 - - 16 1,13 1,13 - -
Thread Infeed Depth Recommendation
TECHNICAL
1.75 1,13 1,13 - - 1.75 1,05 1,05 - - 14 1,20 1,20 - - • On stainless steel,the infeed depth per pass should be dec- • The threading insert nose radius is relatively small and can
2.0 1,25 1,25 - - 2.0 1,17 1,17 - - 12 1,45 1,45 - - Example of thread infeed method
2.5 1,60 1,60 - - 2.5 1,48 1,48 - - 11 1,58 1,58 - -
10 1,76 1,76 - - be easily damaged if it is overloaded.
3.0 3.5 4.0 4.5 1,92 2,23 2,53 2,87 1,0 1,23 1,53 1,60 0,92 1,0 1,0 1,37 - - - - 3.0 3.5 4.0 4.5 1,78 2,05 2,33 2,65 1,0 1,10 1,33 1,50 0,78 0,95 1,0 1,15 - - - - 9.0 8.0 7.0 1,93 2,17 2,50 1,10 1,20 1,40 0,83 0,97 1,10 - - - reased.

GUIDE Number of passes and infeed depths The below recommended data is for steel • External ISO - metric threads 5.0 5.5 6.0 Pitch(mm) 3,19 3,52 3,82 Tot.inf.depth (mm) 1,30 1,50 1,50 1,10 1,20 1,30 0,79 0,82 1,02 • Internal ISO-metric threads 5.0 5.5 6.0 2,96 3,25 3,54 1,60 1,30 1,50 1,39 1,10 1,20 - 0,85 0,84 • Internal-Inch threads 6.0 5.0 4.5 4.0 2,96 3,44 3,82 4

Tot.inf.depth (mm)
Tot.inf.depth (mm)
Pass 2 (mm)
Pass 3 (mm)
Pitch(mm)
Pass 1 (mm)
Pass 1 (mm)
Pass 3 (mm)
Pass 2 (mm)
Pass 2 (mm)
Pass 1 (mm)
Pass 3 (mm)
Pitch TPI
Pass 1
Pass 3
Pass 2
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