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Agilent Screw Caps

Screw Caps from Agilent

Agilent Technologies screw caps are available in a range of different sizes and different septa type to suit all your application needs.

  • 8 mm screw caps for the original, smaller opening vials with an 8-425 thread-size
  • 9 mm screw caps for wide opening vials (40% larger opening than standard opening vials)
  • 13 mm screw caps for 4 mL vials
  • 16 mm screw caps for 6 mL vials

Choose certified caps for full warranted compatibility with Agilent autosamplers.

Agilent screw caps are 9 mm and come with precision fit septa to provide a consistently secure seal when paired with Agilent screw vials. They are available in different colours and with a wide range of septa material to suit different application needs.

Part Number Short Description Certified Thread Size Cap Material Vial Septa Vial Type Pack Size Colour Price Qty
5183-2074 9mm Pre-Slit PTFE/White Silicone Septa, 100pk Certified 9 mm Pre-slit PTFE/Silicone Septa 100
£31.00
5182-0731 9mm PTFE/Red Silicone Septa, 100pk Certified 9 mm PTFE/Silicone Septa 100
£16.00
5182-0730 9mm PTFE/White Silicone Septa, 100pk Certified 9 mm PTFE/Silicone Septa 100
£21.00
8010-0188 9mm PTFE/White Silicone/PTFE Septa, 1000pk Not Certified 9 mm PTFE/Silicone/PTFE Septa 1000
£245.00
5182-0729 9mm PTFE/White Silicone/Red PTFE Septa, 100pk Certified 9 mm PTFE/Silicone/PTFE Septa 100
£28.00
5040-4682 9mm Screw Cap with PTFE/Silicone Septa, 5 x 50pk Certified 9 mm PTFE/Silicone Septa 250 Multi
£56.00
5185-5838 Black 9mm Screw Cap with PTFE/Red Silicone Septa, 100pk Certified 9 mm PTFE/Silicone Septa 100 Black
£21.00
5191-8161 Blue 9mm Magnetic Screw Cap with Bonded Pre-slit PTFE/Red Silicone Septa, 100pk Certified 9 mm Magnetic Bonded Pre-slit PTFE/Silicone Screw Cap 100 Blue
£50.00
5191-8160 Blue 9mm Magnetic Screw Cap with Bonded PTFE/Red Silicone Septa, 100pk Certified 9 mm Magnetic Bonded PTFE/Silicone Screw Cap 100 Blue
£45.00
5182-0728 Blue 9mm Open Screw Cap, 100pk Certified 9 mm Polypropylene No Septa Screw Cap 100 Blue
£11.00
5185-5824 Blue 9mm Screw Cap with Bonded Pre-slit PTFE/Silicone Septa, 100pk Not Certified 9 mm Polypropylene Bonded Pre-slit PTFE/Silicone Screw Cap 100 Blue
£37.00
5040-4649 Blue 9mm Screw Cap with Bonded Pre-slit PTFE/Silicone Septa, 500pk Not Certified 9 mm Polypropylene Bonded Pre-slit PTFE/Silicone Screw Cap 500 Blue
£177.00
5190-7023 Blue 9mm Screw Cap with Bonded Pre-slit PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded Pre-slit PTFE/Silicone Screw Cap 100 Blue
£34.00
5190-7024 Blue 9mm Screw Cap with Bonded PTFE/Red Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Blue
£27.00
5185-5823 Blue 9mm Screw Cap with Bonded PTFE/Silicone Septa, 100pk Not Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Blue
£27.00
5190-7021 Blue 9mm Screw Cap with Bonded PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Blue
£31.00
5183-2076 Blue 9mm Screw Cap with Pre-slit PTFE/Silicone Septa, 100pk Certified 9 mm Polypropylene Pre-slit PTFE/Silicone Screw Cap 100 Blue
£42.00
5185-5865 Blue 9mm Screw Cap with Pre-slit PTFE/Silicone Septa, 500pk Certified 9 mm Polypropylene Pre-slit PTFE/Silicone Screw Cap 500 Blue
£173.00
5183-2075 Blue 9mm Screw Cap with PTFE Lined Solid Top, 100pk Certified 9 mm Polypropylene PTFE Screw Cap 100 Blue
£32.00
5190-1599 Blue 9mm Screw Cap with PTFE/Red Silicone Septa, 1000pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 1000 Blue
£207.00
5182-0717 Blue 9mm Screw Cap with PTFE/Red Silicone Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Blue
£24.00
5185-5917 Blue 9mm Screw Cap with PTFE/Red Silicone Septa, 50,000pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 50,000 Blue
£8,880.00
5190-4049 Blue 9mm Screw Cap with PTFE/Red Silicone Septa, 5000pk Not Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 5000 Blue
£839.00
5185-5820 Blue 9mm Screw Cap with PTFE/Red Silicone Septa, 500pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 500 Blue
£106.00
5190-3156 Blue 9mm Screw Cap with PTFE/Silicone Septa, 100pk Not Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Blue
£14.00
8010-0187 Blue 9mm Screw Cap with PTFE/Silicone/PTFE Septa, 1000pk Not Certified 9 mm Polypropylene PTFE/Silicone/PTFE Screw Cap 1000 Blue
£293.00
5182-0723 Blue 9mm Screw Cap with PTFE/Silicone/PTFE Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone/PTFE Screw Cap 100 Blue
£40.00
5185-5862 Blue 9mm Screw Cap with PTFE/Silicone/PTFE Septa, 500pk Certified 9 mm Polypropylene PTFE/Silicone/PTFE Screw Cap 500 Blue
£167.00
5182-0720 Blue 9mm Screw Cap with PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Blue
£33.00
5190-4050 Blue 9mm Screw Cap with PTFE/White Silicone Septa, 5000pk Not Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 5000 Blue
£1,438.00
5185-5863 Blue 9mm Screw Cap with PTFE/White Silicone Septa, 500pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 500 Blue
£131.00
5191-8151 Clear 9mm Screw Cap with Thin Membrane Polypropylene/Silicone Septa Certified for use in PFAS Applications, 100pk Certified 9 mm Polypropylene Polypropylene/Silicone Screw Cap 100 Clear
£12.00
5182-0727 Green 9mm Open Screw Cap, 100pk Certified 9 mm Polypropylene No Septa Screw Cap 100 Green
£11.00
5190-7028 Green 9mm Screw Cap with Bonded Pre-slit PTFE/Red Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded Pre-slit PTFE/Silicone Screw Cap 100 Green
£34.00
5190-7025 Green 9mm Screw Cap with Bonded PTFE/Red Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Green
£27.00
5190-7026 Green 9mm Screw Cap with Bonded PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Green
£31.00
5183-2077 Green 9mm Screw Cap with Pre-slit PTFE/Silicone Septa, 100pk Certified 9 mm Polypropylene Pre-slit PTFE/Silicone Screw Cap 100 Green
£42.00
5182-0718 Green 9mm Screw Cap with PTFE/Red Silicone Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Green
£24.00
5185-5829 Green 9mm Screw Cap with PTFE/Red Silicone Septa, 500pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 500 Green
£106.00
5182-0724 Green 9mm Screw Cap with PTFE/Silicone/PTFE Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone/PTFE Screw Cap 100 Green
£40.00
5185-5861 Green 9mm Screw Cap with PTFE/Silicone/PTFE Septa, 500pk Certified 9 mm Polypropylene PTFE/Silicone/PTFE Screw Cap 500 Green
£161.00
5182-0721 Green 9mm Screw Cap with PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Green
£33.00
5185-5864 Green 9mm Screw Cap with PTFE/White Silicone Septa, 500pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 500 Green
£126.00
8010-0186 Orange 9mm Screw Cap with PTFE/Silicone Septa, 1000pk Not Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 1000 Orange
£293.00
5040-4681 Purple 9mm Screw Cap with PTFE/Silicone Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Purple
£23.00
5182-0726 Red 9mm Open Screw Cap, 100pk Certified 9 mm Polypropylene No Septa Screw Cap 100 Red
£11.00
5190-7032 Red 9mm Screw Cap with Bonded Pre-slit PTFE/Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded Pre-slit PTFE/Silicone Screw Cap 100 Red
£34.00
5190-7029 Red 9mm Screw Cap with Bonded PTFE/Red Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Red
£27.00
5190-7030 Red 9mm Screw Cap with Bonded PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene Bonded PTFE/Silicone Screw Cap 100 Red
£31.00
5183-2078 Red 9mm Screw Cap with Pre-slit PTFE/Silicone Septa, 100pk Certified 9 mm Polypropylene Pre-slit PTFE/Silicone Screw Cap 100 Red
£42.00
5182-0719 Red 9mm Screw Cap with PTFE/Red Silicone, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Red
£24.00
5182-0725 Red 9mm Screw Cap with PTFE/Silicone/PTFE Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone/PTFE Screw Cap 100 Red
£40.00
5182-0722 Red 9mm Screw Cap with PTFE/White Silicone Septa, 100pk Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Red
£33.00
5040-4683 Turquoise 9mm Screw Cap with PTFE/Silicone Septa, 100pk Not Certified 9 mm Polypropylene PTFE/Silicone Screw Cap 100 Turquoise
£23.00
  • Agilent septa are continually being improved to limit leaching, coring, sticking, push-through, hardness, and adsorption/absorption
  • During manufacture, Agilent septa undergo thermal and chemical conditioning to reduce siloxane bleed, which can occur when the septa material is stressed during heating, solvent interaction, or piercing by the autosampler needle
  • For highly sensitive samples, we recommend PTFE-lined (“sandwiched”) septa, because the PTFE layers act as a chemically resistant barrier

Use the chart below to determine the right cap and septa combination, based on your application.

  PTFE/Silicone* PTFE/Silicone/PTFE* PTFE/Red Rubber
Temperature Range -40 - 200°C -40 - 200°C -40 - 90°C
Use for multiple injections Yes Yes No
Price Economical Most expensive Very economical
Resistance to coring Excellent Excellent None
Recommended for storage Yes Yes No
Best for Most common HPLC and GC analyses, not as resistant to coring as P/S/P Superior performance for ultra analysis, repeat injections, internal standards Chlorosilanes, more economical option for single injections

*Agilent silicone is peroxide cured, making it more inertand less likely to interact with samples

Agilent Vials and Sample Containment Solutions Brochure (4.91 MB)
Your essential resource for autosampler vial selection
Agilent Vials and Sample Containment Poster (4.40 MB)
Overview of Agilent's vials and sample containment solutions
An Agilent Septum is not just a septum - White Paper (152.62 kB)
Technical overview of Agilent septa
9mm Magnetic Caps Flyer (568.32 kB)
Agilent easy grip magnetic 9 mm screw caps for PAL3 autosamplers
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