Thread Wires - Automation and Metrology

1 2001 Kennametal Wires are the best sizes for standard 60 inch and metric threads. They maybe used with other Thread forms or with special pitches, constants for which may becalculated from the formula shown formula for determining wire constants for all 60 threads = 3W - . are made from selected high speed steel, are extremely accurate in roundnessand straightness and are within .00020 (20 millionths) of exact ValuesE= Pitch DiameterW = Diameter of WireMw = Measurement over WiresTangent Helix Angle = Lead / Threads per inchThe most accurate and universally recognized method obtaining pitch diametermeasurements of Thread plug or setting plug gages is by means of using threehardened steel measuring Wires laid into opposite sides of the Thread , as shown inthe diagram. Precise measurements with proper pressures over these Wires minusthe appropriate constant equals the measured pitch ordering, please use EDP Inch1596 MetricThreads Best SizePerWireConstant1594 PriceInchInches W InchesEDP /.

2 wire SizesConstant1596 PricemmInchesmmInchesmmInches EDP No. (set / 3) .. Measuring wire SetsWood case with upright vials DescriptionEDP No. 20, inches: Sizes 6-36 inclusive, except 7-1/2 and 22 No. 30, inches: Sizes 5-80 inclusive, expect 7-1/2 and 22 No. 23mm, metric: 23 sizes from pitch thru No. 30mm, metric; 30 sizes form thru Wiresn Measuring wire Setsn Inch and Metric SizesThread Wires