Vials and caps - Separations. GC and HPLC autosampler vials with screw neck N 8, N 9,. N 10 and N 13, crimp neck N 8 and N 11 Manual crimper (standard) for 8 mm aluminium crimp caps. Chromacol - Cromlab. 1.1mL, clear glass, screw top, tapered vial made from inert Chromacol Gold grade glass. 500. 8-SC-ST15. 8mm, screw cap pre-fitted silicone/PTFE seal. VWR® Autosampler Vials, Inserts and Closures. Steel magnetic caps for CTC/LEAP/Gerstel autosamplers. Certified 9mm Screw Thread Kits.