Transcription of HOW TO MEASURE PCD (PITCH CIRCLE DIAMETER) ON …
1 HOW TO MEASURE PCD (PITCH CIRCLE DIAMETER) ON TRAILERS, CARAVANS, BOAT TRAILERS The Bolt Pattern is called the Pitch CIRCLE Diameter (PCD). The PCD of any wheel is the diameter of the imaginary CIRCLE which passes through the centre of all the studs, wheel bolts or wheel rim holes. Bulletin No: 111 Product Group: Trailer Parts 24/05/2022 Part Number: 17x8 283-780P45-67MF Raptor Machine Face