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Medical machining requires barstock that is precision ground to exacting tolerances. In particular, material requirements for CNC Swiss screw machining incorporate stringent specifications for tolerance, roundness and straightness. To meet these demands, Boston Centerless supplies various types of material with tolerances to 0.000050" to medical manufacturers. In turn, these materials are used to produce bone screws, drills, spinal and dental implants and fixation devices, among other parts.
These components are manufactured from raw materials such as 303SS, 440A, 17-4 PH, titanium and a variety of other specialty alloys. According to the company, having quality bar can increase productivity because cycles times are decreased. Another potential benefit is extended tooling life. Straighter bars are said to prevent the bushing from seizing, resulting in fewer operations.
