tap

I have a set of 4 metric (I believe) bolts that have stripped the threads out of a diesel engine thermostat housing they were bolted into. The reason for the stripping was because the previous owner had used the wrong threaded replacement bolts which ruined the threads so it is not a mechanical...

Well, I converted my four jaw chuck to work on my three-bolt spindle with my drill press. Both chucks already fit tightly onto the spindle nose (correct term?) My options were: * drill three holes into the spindle * drill/tap three holes into the adapter plate * drill/tap two holes into the...

I put together a Google Sheets spreadsheet to automate Tapmatic's tapping recommended speeds & feeds, RPM adjustment factors, minimum required torque & horsepower, etc. The spreadsheet is here: https://docs.google.com/spreadsheets/d/16MPFCAvBzhTM1Sc9MnQwcvhcceaTQ26m7MhIoyBVxJk/edit?usp=sharing...

My 3/8 round bar showed up last week, so this weekend's project was a tap follower. Starting stock was 3/4 and 3/8 1144 Stressproof bar. First, I turned the #2 Morse taper. It took a couple tries, but I eventually got a fit that I was happy with. Fortunately, tweaking the taper doesn't mean...

I am trying to tap 1/2 inch deep 10-32 holes in T6061. The holes are drilled with a #21 drill and I am attempting to tap the first one. The tap is aligned well. The tapping was strange compared to steel from the beginning. The steel technique is to tap forward until build up is felt then to...

Could anyone help me with identifying the tap size and drill size for this thread? I'm trying to thread this fitting into a tank and need to know what tap to order. Let me know if you need more information! Thanks in advance, Andrew

Up til now i've drilled my holes (axis's locked) , removed the drill , replaced that with a tap guide and hand tapped with the machine holding some downward pressure ... recently I made a 3/4" alum plate to hold flat parts horizontal... kind of a mini pallet thing, it had alot of holes that I...

H-M Supporter-Premium Have alot of duplicate taps , all NOS like new, all HSS , mostly Greenfield , Widia, OSG . Looking to trade for NOS either some sizes I dont have in taps or dies . Wana trade ?

Have alot of duplicate taps , all NOS like new, all HSS , mostly Greenfield , Widia, OSG . Looking to trade for either some sizes I dont have in taps or dies . Where do I post this ? (Not selling)

Can anyone recommend a good tap and die set? I need one where the lettering is engraved into the taps and dies. I have Blue Point in standard and metric but can't read what the sizes are on most of them.