Used with an outside micrometer for measuring inside diameter of bores.
Extra long for gaging deep and shallow holes, slots and similar work pieces.
Gaging surface is fully hardened to insure long tool life.
4 sizes of gages are supplied in a fitted case.
A spring piston that telescopes in the bore enables internal diameter detection, which is measured with a micrometer or caliper. (Knurled locking device at the end.)
Spherical measuring faces hardened, tool adjustment shaft satin finish.carbon steel, telescoping bore gauge.
Extra long for gaging deep and shallow holes, slots and similar work pieces, inside gauge.
Used with an outside micrometer for measuring inside diameter of bores, internal gauge.
Gaging surface is fully hardened to insure long tool life, internal
Sizes:
9.2cm
9cm
8cm
8cm
What's in the box
1 x DIY Telescopic Ball Head Inner Hole Manual Measuring Gauge(9.2cm)
1 x DIY Telescopic Ball Head Inner Hole Manual Measuring Gauge(9cm)
1 x DIY Telescopic Ball Head Inner Hole Manual Measuring Gauge(8cm)
1 x DIY Telescopic Ball Head Inner Hole Manual Measuring Gauge(8cm)