Locking thread forming tap

Details Locking thread forming tap Locking thread forming tap

1976-10-04

1978-02-21

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool or tool with support

With pitch-stabilizing ridge

10141R, B23G 506

Patent

active

040749509

ABSTRACT:
A thread forming tap comprising a shank section, a body section extending longitudinally from the shank section, a helical thread formed on the body section and having radially outwardly converging flank portions which define an inclined ramp arranged at a preselected angle to the axis of the tap and adapted to form a complementary inclined locking ramp on the thread to be formed by the tap.

REFERENCES:
patent: 250728 (1881-12-01), Harvey
patent: 2121193 (1938-06-01), Hanicke

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