18 mm Magnetic Precision Screw Metal Cap (CAT#: STEM-AL-0967-ZJF)

18 mm Magnetic Precision Screw Metal Cap is designed for sealing chromatography and sample-storage vials during preparation and instrumental analysis. The cap or closure material is Magnetic Metal. The septum material is PTFE/Silicone; PTFE/butyl. The documented closure or septum size is 20 × 1.5 mm. The available closure format is Center Hole 8 mm or Closed Top. The source lists 15 individually identified part-number variants covering pre-slit options. The documented color options are Silver. The documented pack configuration is 100 pcs/box. The closure family supports repeatable vial sealing within the documented material, geometry, and compatibility limits.

Model: 020402-007
020402-008
020402-015
020402-017
020402-018
020402-019
020402-020
020402-022
020402-024
020402-036
020402-037
020402-038
020402-039
020402-040
020402-041
Product Type: Vial Cap, Septum, or Closure
Material: Magnetic Metal
Septa Material: PTFE/Silicone
PTFE/butyl
Size: 20 × 1.5 mm
Color: Silver
Diameter: 18 mm
Closure Feature: Center Hole 8 mm or Closed Top
Packing: 100 pcs/box
Documented Variants: 15

Cap material: Magnetic Metal
Septa material: PTFE/Silicone, PTFE/butyl
Closure size: 20 × 1.5 mm
Closure format: Center Hole 8 mm or Closed Top
Color options: Silver
Documented variants: 15 with pre-slit options
Packing: 100 pcs/box