Walnut Shell vs Corncob: How to Choose Dry Tumbling Media for Eyewear, Jewelry & Hardware Dry finishing media selection guide • Walnut shell & corncob • For dry tumbling, vibratory and centrifugal lines Dry organic media — crushed walnut shell and ground corncob — is the workhorse of dry tumbling and dry vibratory finishing. The two materials look similar in the bag, but they behave very d...
PURCHASING SCOPE GUIDE How to Compare Mass Finishing Quotations for CNC Metal Parts Compare trial evidence, equipment scope, separation, drying and acceptance conditions before choosing a mass finishing quotation for industrial CNC parts. Quick answer: Two quotations with similar machine capacities may describe very different production systems. For CNC metal parts, compare the part specification ...