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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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mild steel or drill rod for 24" arbor
I'm building a woodworking drum sander (ShopNotes Vol 15, Issue 86)
which calls for a 24" long 3/4" steel rod for the drum arbor. The rod needs drilling and a flat for the pulley set screw. I looked at zinc coated steel rod (about $6 per 3' ) and water quenched drill rod (about $27 per 3' len) at OSH. There will not be significant weight applied, just torsion stress from sanding across 16 inches surface. I suspect the drill rod is overkill for this but would like to hear from you experts. Also, will I have a much harder time cutting, drilling, and grinding the drill rod? Would smaller diameter drill rod do the same job as 3/4" mild steel? Thx. |
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