An air-quality sensor manufacturer's stainless rods called for deep tapped holes. Our DFM review showed the depth could be reduced at full strength — cutting machining time by a third.
An air-quality sensor manufacturer needed 36" × 1/2" stainless steel rods, drilled and tapped. The print specified a tapped hole depth far deeper than the fastener engagement required — and in stainless, every extra thread is slow, tool-wearing work. Priced as drawn, the customer would have paid for machining time that added nothing to the part.
During quoting, our DFM review flagged the hole depth. Thread engagement beyond roughly 1.5× the fastener diameter adds no practical joint strength — the first threads carry the load. We showed the customer the numbers, they agreed, and we revised the depth on the print before cutting a single chip.
Machining time dropped 33%, the price dropped with it, and the parts perform identically. This is what DFM review — included with every parts order — is for: we flag the features that drive cost before they cost you anything.
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