Bull nose live centers Constructed for large, hollow workpieces like pipes, tubing that would "swallow" a regular center

Machine Accessory--bull nose center

D(mm)	D1(mm)	D(mm)	L(mm)	θ	Item No.
					BNC5	BNC4
70	17.78	12	126	75°	02	02
80	23.825	25	166	60°	03	03
100	31.670	32	206	60°	04	04
120	44.399	40	251	60°	05	05
250	63.348	56	335	75°	06	06

Precesion Bull Nose Center (2123)