Union Cross (BC)

Designations	Tube O.D	d	Width across flat		t	ℓ	Approx.
Designations	D	d	H1	H	t	ℓ	L
BC-06	6	4	17	14	7.0	23	33.5
BC-08	8	6	17	17	7.0	23	33.5
BC-10	10	8	19	19	7.0	24	35.5
BC-12	12	10	19	22	7.0	24	35.5
BC-15	15	12	27	27	7.5	32	44.5
BC-16	16	13	27	30	7.5	32	44.5
BC-18	18	14	30	32	8.0	33	45.5
BC-20	20	17	30	36	8.0	33	45.5
BC-25	25	20	36	41	10.0	36	49.5
BC-30	30	25	46	46	10.0	45	59.5
BC-32	32	26	46	50	11.0	45	59.5