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Countersink Hole Feature Revisited
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Joined: 2/16/2007(UTC) Posts: 589

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I check every new version to see if the Countersink Hole Feature is updated to work like Inventor, Solidworks, Catia and many more, where you enter or select 82 Deg. for a countersink angle, and you receive an 82 Deg. countersink angle. Version14 is the same as all previous versions, this suggestion has been mentioned several times over the years, and never gets attention. The Drill Point Angle was updated a few versions ago, it was the same as the countersink, but now works as it should. Enter 118 Deg, you get 118 Deg. Please update the Countersink Hole Feature to work like the Drill Point Feature. I was shocked the first time I entered 82 Deg. in SharkCad Pro, and the countersink angle in the drawing was 16 Deg. I thought maybe just enter half of 82 Deg, or 41 Deg.that would work for sure, but the drawing countersink angle was 98 Deg. You have to enter 49 Deg. for an 82 Deg. countersink. Subtract half of 82, which is 41, subtract 41 from 90, and you end up with 49, I am used to it by now, I've been doing it for years. 90 Deg countersink, subtract half of 90, which is 45 and subtract that from 90, and enter 45. I noticed some recent posts regarding countersinks, I'm used to the unintuitive method, but I don't think that I'm the only user to use 82 and 90 Deg. countersinks.

1 user thanked L. Banasky for this useful post.

Rank: Senior Member

Joined: 7/27/2015(UTC)

Posts: 234

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Fair points @L. Banasky, I don’t find the labelling of the entry boxes very intuitive either, but like you I got used to them. :) Total countersink angle is always the de facto standard in fastener data sheets, which is what I look at when drawing hole defining hole details for fasteners. +1 for a refresh please, it’s always the little things. Mike

macOS 14.3.1 (Sonoma) - MacBook M1 Max 64GB 2TB SSD & external display - SharkCAD Pro v14.1.0 build 1649

Rank: Member

Joined: 2/5/2023(UTC)

Posts: 33

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Originally Posted by: L. Banasky I check every new version to see if the Countersink Hole Feature is updated to work like Inventor, Solidworks, Catia and many more, where you enter or select 82 Deg. for a countersink angle, and you receive an 82 Deg. countersink angle. Version14 is the same as all previous versions, this suggestion has been mentioned several times over the years, and never gets attention. The Drill Point Angle was updated a few versions ago, it was the same as the countersink, but now works as it should. Enter 118 Deg, you get 118 Deg. Please update the Countersink Hole Feature to work like the Drill Point Feature. I was shocked the first time I entered 82 Deg. in SharkCad Pro, and the countersink angle in the drawing was 16 Deg. I thought maybe just enter half of 82 Deg, or 41 Deg.that would work for sure, but the drawing countersink angle was 98 Deg. You have to enter 49 Deg. for an 82 Deg. countersink. Subtract half of 82, which is 41, subtract 41 from 90, and you end up with 49, I am used to it by now, I've been doing it for years. 90 Deg countersink, subtract half of 90, which is 45 and subtract that from 90, and enter 45. I noticed some recent posts regarding countersinks, I'm used to the unintuitive method, but I don't think that I'm the only user to use 82 and 90 Deg. countersinks.

I agree. I only use metric screws ( which have a 90 degree countersink angle)for my designs as it is the industry standard for r/c model cars. It took me a minute to figure out that I had to enter 45 degrees for the countersink angle. It took some trial and error to get the depth correct but I worked that out as well. I think having to set the depth manually is kinda a double edged sword imo. Ultimately I believe (and would be nice) if the tool automatically set/ calculated the depth to flush and then if deeper is needed then that can be set manually. Just my thoughts.

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