Sep 15, 2015 3.4.8 Magnetic Short Thread Cap, 6mm centre hole (for CTC GC PAL + Thermo Crimp Neck Vials ND11, wide opening and Micro-Vials with Crimp Vials & Syringes – MZ-Analysentechnik GmbH. Screw Top Glass, Caps, and Septa for large volume vials (7-60 mL) . . . . . 39 Crimp Top Vials. 6 x 32 mm clear tapered bottom. 27283. 100.