Product Description
Flangeless nuts make low-pressure tubing connections quick to assemble and easy to remake without flaring tools. These nuts pair with matching ferrules to connect tubing to column end fittings, valves and unions in chromatography systems. They are easy to install by hand and reuse.
This listing is for Kimble catalog number 420821-6218: Flangeless Nut, Stainless Steel, 1/4-28, for 1/8 in. OD Tubing. Options include ETFE nuts with 1/4-28 threads for 1/8 in. or 1/16 in. OD tubing, a PEEK nut with 5/16-24 threads for 3/16 in. OD tubing, and a stainless steel 1/4-28 nut for 1/8 in. OD tubing. Each is sold individually so you can replace only what you need. LIGHT LABS supplies the complete DWK Life Sciences line, including Kimble, Wheaton and DURAN labware.
Key Features
- Flangeless design – No tubing flaring required.
- Material choice – ETFE, PEEK or stainless steel.
- Common threads – 1/4-28 and 5/16-24.
- Several tubing sizes – 1/16, 1/8 and 3/16 in. OD.
Specifications
| Catalog Number | 420821-6218 |
| Brand | Kimble (DWK Life Sciences) |
| Description | Flangeless Nut, Stainless Steel, 1/4-28, for 1/8 in. OD Tubing |
| Sold As | Each |
| Material | ETFE; PEEK; stainless steel |
| Threads | 1/4-28; 5/16-24 |
Available Options
- 420821-0018 – Flangeless Nut, ETFE, 1/4-28, for 1/8 in. OD Tubing
- 420821-0116 – Flangeless Nut, ETFE, 1/4-28, for 1/16 in. OD Tubing
- 420821-3519 – Flangeless Nut, PEEK, 5/16-24, for 3/16 in. OD Tubing
Applications
- Column end fitting connections
- Valve and union connections
- Low-pressure chromatography
- Replacing worn fittings
