Steel Adaptor M18 x 1.5 Female to M18x1.5 Male Fittings HEX 24 L=43mm/1.7inch

Thread Adapter M18*1 Female To 5/8-24 Male Stainless Steel M18 SS Screw Converter for Napa 4003 Wix 24003 M18x1R To 5/8x24 - AliExpress

Pipe Fitting 1/4 NPT Female to Metric M18 M18X1.5 Male Brass Adapter: : Industrial & Scientific

: Automotive

Autobahn88 Anti-Rusted Steel Metric Hose End Fitting - M14x1.5 Male to M18x1.5 Female - HEX 24 - L=43mm (1.7)

M18 x 1.5 Stainless Steel 304 Female Threaded Stepped Weld Bung Metric Mounting Boss Fitting (OD 1.0) with Top Head (OD 1.2) : Automotive

5/8″-24 (female) to M18x1 RH (male) Thread Converter – SKU#145 – Hughes Precision LLC

M18*1.5 to 1/2 inch Female Male pipe fitting connector,Hex Rod Coupling Nut,Stainless steel 201 304 copper F/M thread adapter

Thread Adapter M18*1 Female To 5/8-24 Male Stainless Steel M18 SS Screw Converter for Napa 4003 Wix 24003 M18x1R To 5/8x24 - AliExpress

AdlerSpeed Straight Aluminum Male Flare -8 an to M18 x 1.5 Male Metric Pipe Fitting Adapter Black : Everything Else

GlowShift M18 x 1.5 Male to 1/8-27 NPT Female Gauge Sensor Sender Thread Adapter Reducer : Automotive

Female 18 x 1.5mm Metric Convex Seat to 8AN Male, Steel - Pegasus Auto Racing Supplies