JUST MACHINE TOOLS
PROCTOR NEEDLES (SPRING TYPE)

PROCTOR NEEDLES (SPRING TYPE)

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JMT - 627
PROCTOR NEEDLES (SPRING TYPE)

The instrument consists of a needle attached to a spring loaded plunger, the stem of which is calibrated to read 0 to 40kg division. Long stem is graduated at every 12.5mm to read depth of penetration and for use with needles of larger areas. The small penetration stem is also graduated in 12.5mj division and is used with needles of smaller areas. Needle points one each of 0.25, 0.5,1.0,1.5,2.0,3.5 and 6.0sq.cm. and one tommy pin is supplied. Complete as above in a wooden carrying case.