Source list hurt m40 thread size pianist progeny Lure
Meisi Super Fine Linen Thread Size M40 .45mm 90 Meters - Etsy UK
Section of Thread Cable Gland on the Basis of Cable for Double Compression type Cable Gland (W/P & F/P)| Domestic Cable Glands | Products | Cablegrip Industries - Jamnagar | A Company
Metric screw thread: M Profile calculator
Measuring Threads adapters|RafCamera Store
M40 x 1.5mm [6g] Metric Fine Pitch - No-Go Ring Thread Gauge (JBO Johs Boss)