The Drawing Was Perfect. The Shipment Wasn’t.Two suppliers delivered Honed Tubes manufactured to the same engineering drawing.Both shipments included material certificates.Both met the specified bore tolerance.Both passed incoming dimensional inspection.On paper, there was almost nothing separating
A Cheap Tube Became an Expensive PurchaseA purchasing manager was pleased with the quotation.The supplier offered Honed Tubes at a lower price than anyone else, and every tube was supplied in standard 6-meter lengths. On paper, it looked like an easy decision.Production started the following week.Th
Everything Passed InspectionThe incoming inspection report looked exactly as everyone expected.Material certificates matched the purchase order.Dimensions complied with the engineering drawing.The bore met tolerance requirements.Surface roughness fell comfortably within specification.There was no re