Plug Threading Gauge Unified NPT BSP (G) BSPT (PT)

Plug Threading Gauge Unified NPT BSP (G) BSPT (PT)   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