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fridsten · 09-19-2017, 06:22 AM

Apparently it's a knuckle thread. The one Porsche uses (since around 1986) is called DIN 405 Rd 20 x 1/8". Which means a diameter of 20mm and a pitch of 8 threads per inch.

09-19-2017, 06:22 AM	#3
fridsten Registered User Join Date: Aug 2015 Location: Stockholm, Sweden Posts: 265	Apparently it's a knuckle thread. The one Porsche uses (since around 1986) is called DIN 405 Rd 20 x 1/8". Which means a diameter of 20mm and a pitch of 8 threads per inch.