Unified National (UN)

Thread	Prog. Dia.	# Teeth	Flutes	Projection	Coated	OAL	Shank Dia	Min Bore	Manufacturer	Marked Designation	Part #	MFG List $
6-32	0.100	3	3	0.28	AlTiN	2.500	0.250	0.1065	ISCAR	MTECS 0250C28 32UN IC908	5604982	150.00
10-24	0.146	*	3	0.575	TiCN	1.929	0.236 / 6mm	0.1495	SECO	TM-NR. 10-24 UNC 6R5	52062	292.00
1/4-28	0.180	*	3	0.5	AlTiN	2.500	0.188	0.2130	Harvey Tool	*	70046-C3	117.60
1/4-28	0.181	14	3	0.5	TiCN	2.500	0.187	0.2170	Vargus	HX3/16.181-I28UNFTMVTH	80537	87.92
5/16-24	0.232	15	3	0.625	TiCN	2.500	0.250	0.2680	Vargus	HX1/4.232-I24UNFTMVTH	80540	114.09
1/2-20	0.375	17	4	0.88	AlTiN	3.000	0.375	0.4530	ISCAR	MTECB 0.375D 08 1/2-20UN IC908	5605120	242.00

National Pipe Thread (NPT)

Thread	Prog. Dia.	# Teeth	Flutes	Projection	Coated	OAL	Shank Dia	Min Bore	Manufacturer	Part #	MFG List $
1/4-3/8--18 NPT	0.359	13	4	0.75	TiAlN	2.500	0.375	0.4370	Widia	2672682	228.94
1/4-3/8--18 NPT	0.400	9	4	0.805	TiCN	3.150	0.472 / 12mm	0.4370	EMUGE	GF1731165765	427.10
1/2-3/4--14 NPT	0.561	9	4	1.034	TiCN	3.346	0.630 / 16mm	0.7180	EMUGE	GF1731369678	636.30

Metric (M)

Thread	Prog. Dia.	# Teeth	Flutes	Projection	Coated	OAL	Shank Dia	Min Bore	Manufacturer	Marked Designation	Part #	MFG List $
M6 X 1.0	0.189	12	3	0.491	TiCN	2.500	0.250	0.1960	EMUGE	*	GFR351060060	271.80
M10 X 1.0	0.311	20	3	0.787	TiCN	2.480	0.315 / 8mm	0.3540	Vargus	H08079L20-I1.0ISOTMVTH	80905	146.88

Single Point (SP)

Thread	Prog. Dia.	# Teeth	Flutes	Projection	Coated	OAL	Shank Dia	Min Bore	Manufacturer	Part #	MFG List $
6-32	0.098	1	4	0.25	AlTiN	2.000	0.188	0.1065	Harvey Tool	71020-C3	67.10
TPI 11 to 32	0.488	1	5	1.35	*	3.500	0.500	0.6250	Scientific Tools	SPTM488L	79.80