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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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What would you call this
besides a masturbate of Engineering, that is?
They're 8mm Socket Head Machine Screws with a section of threads ground off to the minor diameter, leaving about 5-6mm of thread at the tip and about 10mm at the head end. The threads engage at both the tip and head ends. They're used on the front seat mounts of a Sunrise Medical Rhythm power wheelchair with a certain seating system. I can see *how* they work. They engages threads on both sides of a square tube. What I can't see is: Why do it that way, considering it only prevents the seat frame rising up off the mount? Seems like any old bolt would do. Or if one were a *really* anal Engineer*, a shoulder bolt. *WARNING: Possible redundancy |
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