Anybody know of a reference somewhere that would give to correct depths to run pipe taps? I thought of putting the tap into an OD thread gage but I don't have such a gage. Thanx,
-plh
Pipe tap depths.
Apr 18, 2008
3 Replies
I don't have a thread book with me but it should be L2 effective thread length + champher length on your tool, that would be the depth to program IMO.
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Check out page 166-167 (L2, roughly 7-7.5 Threads.)
Normally when running pipe threads you would want an L1, L2 and 6 step truncation gage.
Tom
I wound up with the quick & dirty method of taking what was considered an acceptable part, winding the tap into it, & measuring. Turned about to be close to what you say. Thanx,
-plh
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