TELESCOPIC GAUGE BALL HEAD
1,000 - 1,200 Per piece
Used with an outside micrometer for measuring inside diameter of bores. Telescopic Gauge Features: ? 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. ? Spherical measuring faces hardened, Tool adjustment shaft Satin chrome finish ? Measuring Range 3-13mm (1/8"-1/2") Instructions: ? 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.) Using method: ? 1 Loosen the inner hole gauge and place it in the object to be measured. ? 2. Tighten clockwise and make one rotation to ensure tightening. ? 3. After the measurement is correct, tighten the lock clockwise. ? 4. After locking, measure the inner diameter data with a caliper. Type A B C D ? Measuring range (Inch) :1/8"-1/5, 1/5"-3/10" , 3/10" -2/5" , 2/5"-1/2" ? Measuring range (mm) : 3-5mm ,5-7.5mm, 7.5-10mm ,10-13mm ? Head diameter: 5mm, 5mm, 5mm, 5mm. ? Ball diameter: 3mm, 5mm, 7.5mm, 10mm. ? Length: 76mm, 79mm, 88mm, 92mm.
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Precision Ball, Carbon Steel Ball Bearing Balls, Forged Steel Ball