Boring Bar Size	Range		Cartridge Size	M	R	L	Insert Type	Torx Key	Insert Screw	Make of Insert
	Min	Max
BCA23	23	29	M3 B2 T	23.0	3.2	21.4	TCMT 06 T1 04	T6	5513020-28	SANDVIK
BCA29	29	41	M3 A2 T	26.2	6.4	25.4
BCA38	38	49	M5 B2 T	37.3	5.6	33.3	TCMT 110204	T8	21480800	WIDIA
BCA46	46	66	M5 A2 T	42.9	10.3	39.7
BCA62	62	87	M7 A2 T	58.7	12.7	56.1	TCMT 110204         OR TCMT 160408	T8 OR T15	21480800 OR 21480388	WIDIA
BCA83	83	108
BCA98 & Above	98	Any	M10 A2 T	78.6	22.2	76.2	TCMT 160408	T15	21480388	WIDIA

Boring Bar Size	Range		Cartridge Size	M	R	L	Insert Type	Torx Key	Insert Screw	Make of Insert
	Min	Max
BCA23	23	29	M3 B2 T	23.0	3.2	21.4	CCMT 060204	T 8	21480800	WIDA
BCA29	29	41	M3 A2 T	26.2	6.4	25.4
BCA38	38	49	M5 B2 T	37.3	5.6	33.3
BCA46	46	66	M5 A2 T	42.9	10.3	39.7
BCA62	62	87	M7 A2 T	58.7	12.7	56.1	CCMT 090304	T 15	21480388	WIDA
BCA83	83	108
BCA98 & Above	98	Any	M10 A2 T	78.6	22.2	76.2