Professionally manufactured chuck developer (part D3-30-19, CONVAC-3, 62130) for wafer track or semiconductor process tools. Precision polymer/metal hybrid construction. Includes full disc with center hub, drive slot, and three mounting tabs. Suitable as a replacement part for OEM semiconductor track, spin, and wet process equipment. Factory-sealed in original packaging. Compatible with generic, OEM, and custom track tool applications. Ideal for process engineers, fab maintenance, and semiconductor equipment resellers.









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