*Notizen:
	* OZ25
		* Quelle:
			* https://www.dhresource.com/webp/m/0x0s/f2-albu-g3-M00-5E-6D-rBVaHVaE8Q6Af20UAAE-mK-QTyA960.jpg/free-shipping-1pcs-oz25-din-6388b-spring-collet-set-range-from-2mm-to-25-mm-step-1mm.jpg
		* α (einseitiger Kegelwinkel) = 2.862 °
		* D (Max Durchmessem am Ende des Konus) = 32.9 mm
		* d (Durchmesser begin des Konus) = D -  2* sin(α)*L1 = 29.31 mm
		* Dh(h) = 29.31+2*sin(2.862°)*h
		* L (gesamtlänge) = 52 mm
		* L1 (Konuslänge) = L-(L1+L3) = 36mm
		* "d=29.31+2*sin(2.862°)*h and h = 30 and r=1/2*d"
	* ER16
		* Quelle: 
			* https://www.sorotec.de/shop/images/product_images/popup_images/805_2.gif
			* https://www.sorotec.de/shop/images/product_images/popup_images/805_1.gif
		* α (einseitiger Kegelwinkel) = 8 °
		* D (Max Durchmessem am Ende des Konus) = 16mm
		* d (Durchmesser begin des Konus) = D -  2* sin(α)*L1 = 10.21 mm
		* Dh(h) = 10.21+2*sin(8°)*h
		* L (gesamlänge) = 27.5 mm
		* L1 (Konuslänge) = L-(L2+L3) = 27.5-(4+2.7) mm= 20.8 mm