29656-U. volume 1.5 mL, CD (Center Draining) Vial, clear glass vial, natural PTFE/silicone septa (with slit), thread for 9 mm, pkg of 100 ea. Pricing. Match Criteria: Product Name, Keyword. Certified screw thread vials, 9 mm thread, 12 x 32 mm. Certified screw thread vials, 9 mm thread, 12 x 32 mm. Product Number.