... Our factory supply: end mill,gear hob,machine tap,hobbing cutter,drill,band saw blade, ... flutesc) straight flutes with spiral pointd) fluteless tapshand taps and machine tapsstandard can be :ISO529 .ASME/ANSI B949 BS949DIN171 ... DIN376the surface:bright or titanium coatedBritish and American machine with taps1/8-407/16-205-40G11/25/ ... /4 The metric specifications M2 …………M33*2 Machine Taps for Aluminium