CLASSES : 6H

Tap Recommendations for Class 6H

Tap Size/Pitch	Recommended Pitch Diameter Limit		Basic Major Diameter (inch)	Minimum Pitch Diameter (mm)	Maximum Pitch Diameter (mm)	Minimum Pitch Diameter (inch)	Maximum Pitch Diameter (inch)
Tap Size/Pitch	Cut Tap	Form Tap	Basic Major Diameter (inch)	Minimum Pitch Diameter (mm)	Maximum Pitch Diameter (mm)	Minimum Pitch Diameter (inch)	Maximum Pitch Diameter (inch)
M1.6 X 0.35	D3	D5	.06299	1.373	1.458	.05406	.05740
M2 X 0.4	D3	D5	.07874	1.740	1.830	.06850	.07205
M2.5 X 0.45	D3	D5	.09843	2.208	2.303	.08693	.09067
M3 X 0.5	D3	D5	.11811	2.675	2.775	.10531	.10925
M3.5 X 0.6	D4	D6	.13780	3.110	3.222	.12244	.12685
M4 X 0.7	D4	D6	.15748	3.545	3.663	.13957	.14421
M4.5 X 0.75	D4	D6	.17717	4.013	4.131	.15789	.16264
M5 X 0.8	D4	D7	.19685	4.480	4.605	.17638	.18130
M6 X 1.0	D5	D8	.23622	5.350	5.500	.21063	.21654
M7 X 1.0	D5	D9	.27559	6.350	6.500	.25000	.25591
M8 X 1.25	D5	D9	.31496	7.188	7.348	.28299	.28929
M10 X 1.5	D6	D10	.39370	9.026	9.206	.35535	.36244
M12 X 1.75	D6	D11	.47244	10.863	11.063	.42768	.43555
M14 X 2	D7	D13	.55118	12.701	12.913	.50004	.50839
M16 X 2	D7	D14	.62992	14.701	14.913	.57878	.58713
M18 X 1.5	D6	D12	.70866	17.026	17.216	.67031	.67780
M20 X 2.5	D6	D12	.78740	18.376	18.600	.72346	.73228
M24 X 3	D8	D15	.94488	22.051	22.316	.86815	.87858
M30 X 3.5	D9	D16	1.18110	27.727	28.007	1.09161	1.10264
M36 X 4	D9	D17	1.41732	33.402	33.702	1.31504	1.32685

Customer support, engineering support, or general inquires.