Plug Threading Gauge Unified UNC UNF UNEF UNS
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Plug Threading Gauge Unified UNC UNF UNEF UNS

$12.04
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Plug Threading Gauge Unified UNC  UNF  UNEF  UNS   Using high-performance GCR1 5 steel withHigh permeability, high hardness and strongAnti-contact fatigue strength, stable sizeCharacteristics of good stability   The product is formed as a whole and has undergone strict specificationsThe thermal treatment hardness reaches 58-6 5 HRCThe side surface has been polished and treated, and the beauty is large.Laser lettering, clear and wear-resistant     B spiral pattern measuring surface It is finely ground by a full grinding process.|Full inspection of high-precision testing equipment to ensure precision   1) American standard unified thread plug gauge use: comprehensive inspection of ANSI B1.1 and FED-STD-H28, H28/3 internal threads.2) American standard unified thread plug gauge inspection environment: the standard temperature is 20°C±1°C, and the standard condition force measurement is zero.3) American standard unified thread plug gauge inspection: The "three-pin method" of the length gaug

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