When you are outfitting a lab bench or a welding station, the small parts matter. The four hardware consumables kits here split into two jobs: sealing fluidic connections in chromatography equipment and refilling TIG torch accessories. The listed prices run from $22.96 to $89.99, and the contents range from a single repeatable ferrule pack to a mixed interface lot.
Quick take
If you need repeatable HPLC/LC ferrule replacements, the Waters 6070191 SealTight pack is the focused choice. If you are maintaining an Agilent/HP GC-MS interface, the Agilent lot gathers tees, nuts, ferrules, clamps, and screws. For TIG torch work compatible with WP-17, WP-18, and WP-26 torches, the larger of the two TIG kits is the more extensive accessory assortment, while the 12-piece TIG kit is the lower listed price.
Listed price comparison
| Product | Listed price | Price bar | What you get |
|---|---|---|---|
| Waters 6070191 SealTight Ferrules | USD 84.55 | 20 black PEEK ferrules for 1/16-inch OD tubing | |
| Agilent GC-MS Interface Parts Lot | USD 89.99 | Tees, ferrules, nuts, clamps, and screws | |
| 23 Pieces TIG Torch Accessory Kit | USD 47.89 | Glass cups, brass fittings, torch parts, sealing rings | |
| 12 Pieces TIG Metal Joining Torch Consumables Kit | USD 22.96 | Ceramic cups, collet body, insulating rings, sealing rings |
Decision matrix
| Decision point | Waters ferrule pack | Agilent interface lot | 23-piece TIG kit | 12-piece TIG kit |
|---|---|---|---|---|
| Lab ferrule replacements | Yes | No | No | No |
| GC-MS interface maintenance | No | Yes | No | No |
| Fits WP-17 / WP-18 / WP-26 torches | No | No | Yes | Yes |
| Lower listed price among TIG kits | No | No | No | Yes |
Product notes
Waters 6070191 SealTight Ferrules Black PEEK for 1/16\" OD Tubing F192X 20 Pcs
At $84.55, the Waters pack gives you 20 SealTight ferrules in black PEEK for 1/16-inch OD tubing. The F192X type and the 10-32 or M6 coned connection point to HPLC/LC-style coned fittings, so this is a repeatable replacement option for labs that need the same ferrule across multiple joints. Country of Origin is listed as the United States. The clear limitation is scope: this is a ferrule-only pack. If you need matching nuts, tees, or clamps as well, you would be sourcing separate components. Choose it when your priority is a consistent, single-part replacement for 1/16-inch tubing connections.
LOT OF Agilent GC-MS Interface Parts Lot - Tees, Ferrules, Nuts, Clamps & Screws
The highest listed price here is $89.99, and it buys an Agilent (HP) GC-MS interface lot rather than a single consumable type. The set includes stainless steel male-female tees, front and back ferrules for 1/8-inch tubing, 1/8-inch tubing nuts, a vent tube clamp, and M4 screws. That makes it useful for service work around 597x series MSD and 6890/5890 GC column installation. The trade-off is that this is an assortment: several part types in labeled containers, not a large quantity of one ferrule size. If you prefer a single-purpose pack, this lot requires sorting through multiple interface components. It earns a spot when you need a spread of small GC-MS hardware at once.
23 Pieces TIG Torch Accessory Kit Unobstructed Hardware Sturdy for Home Garages
The TIG Torch Accessory Kit carries a listed price of $47.89. Its component mix includes clear cylindrical glass cups, brass threaded fittings with red shield sleeves, black torch components, copper-colored tubes, green sealing rings, and white insulating rings. That is a broad set for reassembling or refreshing a torch. The limitation is the mix itself: the glass cups and brass fittings are not a single consumable type, so you need to sort by size when working through the kit. Also, the title does not specify the cup material, so this kit is less explicit about cup type than the 12-piece set.
12 Pieces TIG Metal Joining Torch Consumables Kit Ceramic Hardware Reliable
The 12-piece TIG Metal Joining Torch Consumables Kit is the lowest listed price at $22.96. It includes lavender ceramic spout cups marked 4, 5, and 6, a copper collet body with a red shielding cap, a clear cup, a black torch cap, a white insulating gasket, and four green sealing rings. If ceramic cups are your main need, this set names them directly and covers three cup sizes. The smaller part count is the limit: compared with the larger TIG kit, you get fewer individual pieces and no brass threaded fitting assortment. It is the lower-priced TIG option when you want core consumables rather than a broader accessory spread.
Final recommendation by use case
- For a repeatable ferrule replacement in HPLC/LC-style connections: Waters 6070191 SealTight Ferrules.
- For a batch of tees, ferrules, nuts, clamps, and screws for Agilent/HP GC-MS maintenance: Agilent GC-MS Interface Parts Lot.
- For a larger TIG torch accessory assortment with glass cups and brass fittings: 23 Pieces TIG Torch Accessory Kit.
- For a lower-priced TIG consumable set with torch cups: 12 Pieces TIG Metal Joining Torch Consumables Kit.



