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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Modifying flat head screws, modified c-sinks; Harold V.
Awl--
I'm putting an "end" or a simple internal aluminum cap on 2.5 x 1.5 x 1/8 channel, with 1/4 or 5/16 thick alum, flush with the end of the channel, with flat head screws, and thus don't have a lot of room at the edge, before I break through. It seems I will have to use 6-32 FH cap screws, and even then turn down the head, from about .275 to proly .188. Not really a problem but are there smaller-head cap screws made? If I do turn them down, I would like the resulting fit in the alum channel to be as nice as possible, which would mean an 82 deg c-sink, AND a bit of a ..188 cbore, as the edge of the screw head now has a bit of a cylinder to it. Is there ready-made stuff to do this, or am I going to have to just grind a ..188 drill to 82 deg? If I do have to grind these (since I cain't hardly see/grind ****), Harold would you grind a batch for me, and I'll spread Seasons Greetings to all the HD cashiers, on your behalf, around here in Yonkers? -- ------ Mr. P.V.'d (formerly Droll Troll), Yonkers, NY Stop Corruption in Congress & Send the Ultimate Message: Absolutely Vote, but NOT for a Democrat or a Republican. Ending Corruption in Congress is the *Single Best Way* to Materially Improve Your Family's Life. The Solution is so simple--and inexpensive! AND, Make sure whomever you do vote for believes in ABSOLUTE separation of Church & State--ferchrissakes entropic3.14decay at optonline2.718 dot net; remove pi and e to reply--ie, all d'numbuhs |
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