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Three-wire Gauge

Product Serial:TW series

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Three-wire Gauge
Product Description

TW series are steel products

TWW series are super hard alloy products

TWZ series are ceramic products

How to find the effective path

Effective diameter E = M-3dm+0.866025p calculated by the formula

M: Measure the size of the outside of the three needles
p: pitch of threads
dm: Average representation of needle diameter
 

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