Type No.	Thread Size				Pitch	Diameter	Flute	Flute Length	O.A.L	Shank.Dia.
	Coarse	Fine	Extra Fine		Pitch	D1	T	L1	L3	D2
FL 3206			5/16		32	5.9	3	15	60	6
FL 3208			3/8		32	7.9	4	20	60	8
FL 2806		1/4			28	5.1	3	15	60	6
FL 2808			7/16-1/2		28	7.9	4	20	60	8
FL 2406		5/16			24	5.9	3	15	60	6
FL 2408		3/8			24	7.9	4	20	60	8
FL 2412		9/16-5/8			24	11.9	4	25	75	12
FL 2006	1/4				20	4.8	3	12	60	6
FL 2008		7/16			20	7.9	3	20	60	8
FL 2010		1/2			20	9.9	4	25	75	10
FL 2012			3/4-1		20	11.9	4	30	75	12
FL 1806	5/16				18	5.9	3	15	60	6
FL 1810		9/16-5/8			18	9.9	4	25	75	10
FL 1608	3/8				16	7.5	3	18.2	60	8
FL 1612		3/4			16	11.9	4	30	75	12
FL 1408	7/16				14	7.9	3	20	60	8
FL 1412		7/8			14	11.9	4	25	75	12
FL 1310	1/2				13	9.9	3	25	75	10
FL 1212	9/16				12	11.5	4	27	75	12
FL 1216		1			12	15.9	4	40	100	16
FL 1112	5/8				11	11.9	3	32	75	12
FL 1016	3/4				10	15.9	4	40	100	16
FL 0916	7/8				9	15.9	4	40	100	16
FL 0820	1				8	15.9	4	50	100	20

                                                                                           
unit : mm