HSS spiral flute,machine taps for steel Specification completed 20/30degree helix angle Do please pay attenton to our product

Specification(mm)

D	Pitch	Bottom diameter	Standard
M1.0	0.25	0.75	DIN371
M1.2	0.25	0.95	DIN371
M1.4	0.3	1.1	DIN371
M1.6	0.35	1.25	DIN371
M2.0	0.4	1.6	DIN371
M2.5	0.45	2.05	DIN371
M3.0	0.5	2.5	DIN371
M3.5	0.6	2.9	DIN371
M4.0	0.7	3.3	DIN371
M5.0	0.8	4.2	DIN371
M6.0	1.0	5.0	DIN371

Attention: 1.The tapping speed has a great influence on chip flow and the life of the tap.it is worthwhile to establish the ideal speed by tapping trials.                                        

                 2.Characteristics of the material,machine and clamping method should be taken into consideration.