https://eisen.gr.jp/e/products/pin/pin_howto.html

Pingauge usage example

Many applications in addition to measurement of hole inner diameters

Distance between holes

Calibrating micrometers

Width of groove

Acceptance judgment

Dovetail

Inspection of engine parts

Overpin diameter of gear

Deflection of gear

Positional measurement of hole

If the pin gauge of d1d2 in the diameter that harmoniously fits in the hole of goods is inserted, hole site (h1h2) is requested by
if H1H2 is measured.

Deflection of Tooth furrow of gear

Put the pin gauge in the tooth furrow of the gear, and going in and out along the tooth furrow of the pin gauge in the indicator to all tooth furrow It attaches, it measures, and Deflection of the tooth furrow is obtained.

Measurement of tilt angle(1)

angle is requested more by
with sine bar with the becoming it pin gauge of diameter d.

Measurement of tilt angle(2)

The conic corner is requested by by measuring h.

Pitch measurement of hole

If the pin gauge of d1d2 d3 in the diameter that harmoniously fits in the hole of goods is inserted, and L1L2 is measured, pitch(  )is measured, pitch aa of the hole is requested by

Effective diameter measurement of screw(three-wire system)

Effective diameter E is requested by E=M-3d+0.866025p.
(However, for the metric and unified screw. )