Home » Products » Gauge Port Adapters » Weld AdaptorsWeld Adaptors$7.46 – $23.50 Category: Gauge Port Adapters Add to Cart Add to Quote Product already in the list. Product in Quote List(click to view) Product Port Thread "A" "B" Dimensions Outside Diameter Pressure Rating Price Weld Adapter, M10x1 HC-WA-M10-1 0.78 in 20 mm 5000 PSI (345 Bar) $23.50 - + Weld Adapter, 1/4″ NPT HC-WA-1/4NPT 0.86 in 22 mm 5000 PSI (345 Bar) $7.46 - + Weld Adapter, 7/16-20 SAE HC-WA-4SAE 0.86 in 22 mm 5000 PSI (345 Bar) $9.80 - +