PYREX® Stopcocks, spare PTFE keys
- PTFE stopcock key with silicone 'O' ring and PP retaining device
- PTFE keys are fully interchangeable
- Keys are self lubricating, avoiding the need for stopcock grease
- Keys have a 1:10 taper to accurately fit the relevant glass stopcock barrel
Products

| Catalog No | Key Type | Key Bore Diameter (mm) | Stopcock Key (NS) | Quantity | |
|---|---|---|---|---|---|
| SST102K | Straight bore | 1.5 | 12.5 | 5 | Find a distributor |
| SST103K | Straight bore | 2.5 | 14.5 | 5 | Find a distributor |
| SST104K | Straight bore | 4 | 14.5 | 5 | Find a distributor |
| SST105K | Straight bore | 4 | 18.8 | 5 | Find a distributor |
| SST106K | Straight bore | 6 | 18.8 | 5 | Find a distributor |
| SST203K | Double bore | 2.5 | 14.5 | 5 | Find a distributor |
| SST303K | T-bore | 2.5 | 14.5 | 5 | Find a distributor |
| SST304K | T-bore | 4 | 18.8 | 5 | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Fully interchangeable replacement PTFE stopcock keys supplied complete with retaining device.
Products
Products

| Catalog No | Key Type | Key Bore Diameter (mm) | Stopcock Key (NS) | Quantity | |
|---|---|---|---|---|---|
| SST102K | Straight bore | 1.5 | 12.5 | 5 | Find a distributor |
| SST103K | Straight bore | 2.5 | 14.5 | 5 | Find a distributor |
| SST104K | Straight bore | 4 | 14.5 | 5 | Find a distributor |
| SST105K | Straight bore | 4 | 18.8 | 5 | Find a distributor |
| SST106K | Straight bore | 6 | 18.8 | 5 | Find a distributor |
| SST203K | Double bore | 2.5 | 14.5 | 5 | Find a distributor |
| SST303K | T-bore | 2.5 | 14.5 | 5 | Find a distributor |
| SST304K | T-bore | 4 | 18.8 | 5 | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
Fully interchangeable replacement PTFE stopcock keys supplied complete with retaining device.
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