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 …

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 …

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, …

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, …

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 …

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?

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 …

Feb 9, 2011 · The projections (a and a prime) are 0.0091" and 0.0187" respectively. Because you're given the PD, I don't know if the fact that it's a buttress thread is that significant. Using …

Aug 18, 2011 · Buttress threads I made were single point. Made a gage of the thread. Ground the tool to the gage. Checked the finished thread with the gage.

Jun 23, 2005 · I cut some buttress threads years ago and as I remember it was easy to mess up and cut the 90 degree thread face on the wrong side. Also a buttress thread rollls a nasty burr …