Nov 25, 2025 · The buttress thread form is designed to handle axial thrust applied principally in one direction. The load-bearing thread face is perpendicular or at a slight slant (usually no greater than …

Jul 3, 2017 · Need help when I try to cut my buttress threads the threads look like a point or V not like the insert with an angled thread should look. What am I doing wrong. using a 12 thread per inch …

Apr 27, 2009 · Hi guys, we came across a part we have to make for a customer and it has a massive buttress thread on it. The part was pretty destroyed and threads folding over, however I was able to …

Aug 5, 2010 · I am going to grinding a form tool to match the thread, program a 13TPI cut from .530 down close and the change my offset till I get the desired fit? Keep in mind two things, I've been …

Dec 12, 2005 · I need help! I am threading a buttress thread in S7 tool steel. G76 P010060 Q0020 R.001 G76 X? Z? P16500 Q0200 F.3 On the first line with the P where the 60 is I have the option of …

Jul 12, 2006 · I just chased my first buttress last week after 20 yrs. of turning. 4.250 major dia 4.112 minor dia 10 tpi Is there a 3-wire formula for buttress?

May 2, 2019 · Need some help measuring an external buttress thread. First time cutting a buttress thread, so bare with me. The print calls for a 5.800 - 12 BUTT - 3A. Luckily, the customer does give …

Feb 9, 2011 · I've had more Grove cylinders apart than I care to count, and they use the same technique of undersize buttress threads. With an on-size buttress thread with the 7* angle facing the piston, the …

Dec 7, 2002 · I am getting ready to do my first G92 threading. Of course it is a big burly 2.5-4 buttress thread. Do I need to have a F value in each successive G92 call or will it stay modal through out. …

Mar 15, 2002 · Meanwhile, back at the Buttress Ranch I've done a bit more Googling so those that don't like what I post can save some time and stop here To those that are interested in butttres threads …