Perforazione bit tipo CB

Type	Dimension										Note
Type	D	H	R	R1	h	α	α1	β	a	e	Note
CB1215	12.0	15.0	2.0	2.5	9.5	80^o	18^o	18^o	3.0	1.2	G95026
CB1217	12.0	17.0	2.0		11.0	70^o	18^o		3.0	1.2	G95118
CB1316	13.0	16.5	1.8		10.5	75^o	21^o		4.0	1.5	CB-9801
CB-96001	13.0	18.0	2.0		12.0	75^o	18^o		3.0	1.2	G96345
CB1418	14.0	18.0	2.5	3.0		80^o	20^o	15^o	4.0	1.5	10X
CB1419	14.0	19.0	2.0			75^o	?	15^o	5.0	1.5	11X
CB1520	15.0	20.0	2.5		12.5	75^o	18^o	18^o	3.5	2.2	G89066
CB1621	16.0	21.0	2.5		13.5	70^o	20^o		4.0	1.8	G84213
CB1827	18.0	27.0	3.0		18.0		23^o		6.0	2.0	G85274
CB1924	19.0	24.0	3.5		15.0		20^o		4.5	1.8	G84242
CB2230	22.0	30.0	3.5		17.0	60^o	18^o		4.5	2.2	G87349