m16 tap

[powderblast]

hi im making a quick release handle for the top of my tool post like what doubleboost did im wanting a m16.1.5 tap i have seen a spiral fluted tap on ebay i have linked it

https://www.ebay.co.uk/itm/WALTER-PROTOTYP-M16x1-5-2146006-ISO-6H-1-PCS-TAP-HSS-E-TICN-COATED-NEW/152806452596?_trkparms=aid=111001&algo=REC.SEED&ao=1&asc=51004&meid=5c1a7a1e5d424cf08382c664c81d9c18&pid=100675&rk=2&rkt=15&sd=263574060897&itm=152806452596&_trksid=p2481888.c100675.m4236&_trkparms=pageci:86a09576-408c-11e8-981e-74dbd180fd98|parentrq:c88fd94b1620a9c12f1b3552fff66d5f|iid:1

is this tap ok on mild steel? not sure if it makes a difference, i only need to do one blind hole

 

[Jlg]

https://www.thomas-graham.co.uk/ind...taps/dormer-e003-mttx-cobalt-spiral-flute-tap
These ones are very good

 

[brightspark]

just get a taper and a plug tap from tracy tools in carbon steel

 

[powderblast]

https://www.thomas-graham.co.uk/ind...taps/dormer-e003-mttx-cobalt-spiral-flute-tap
These ones are very good

them ones on there website are £39.00 i have just bought that one for £10.00 new i dont think i could of bought a standard tap for that

 

[powderblast]

just get a taper and a plug tap from tracy tools in carbon steel

i have just bought it for £10.00 new im new to tapping holes but i asked if that one was a spiral flute type, ideal for blind holes and mild steel he said yes so i bought that one?

and managed to get an irwin hss 14.5 bit for £3.99

 

[brightspark]

u generaly start the thread with a 1st cut tap as its tapered then second cut and finaly plug .it will go in and thread though