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110 Degree Countersinks

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antero

Well-Known Member
Supporting Member
Joined
Dec 8, 2009
Messages
96
Location
Centennial, CO
Someone in an older thread had posted the link to this video:

YouTube - Four Methods of Flush Riveting

which was most helpful and gave a real solid answer for some hotly debated topics (at least in my mind).

Of particular interest to me were methods # 3 and 4.. i have never seen or heard of 110 degree countersinks, or 110-120 degree dimple dies before. Does anyone have any experience using or seeing this method, or know a source for these tools? Or.. is this an archaic method that no one ever uses anymore?
 
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