PYREX® Burette stopcock, straight bore, PTFE or glass key
- Manufactured from borosilicate glass
- Barrels are highly polished and the keys are self lubricating, avoiding the need for stopcock grease
- Keys are fully interchangeable and supplied complete with plastic screw thread retaining device
- Made to a taper of 1:10 giving a combination of performance and ease of operation
- With PTFE keys for highest resistance to chemical attack
- One 100mm plain arm and one 70mm capillary arm with drawn jet.
Products

| Catalog No | Key Type | Length (mm) | Key Bore Diameter (mm) | Recommended For | Quantity | |
|---|---|---|---|---|---|---|
| SSD502 | Glass | - | 2 | - | 1 | Find a distributor |
| SST502 | PTFE | - | 1.5 | Catalogue number: Key only: SST102K | 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
These stopcocks can be supplied with either a PTFE or glass stopcock key and have one plain side-arm and one capillary side-arm, which is drawn to a jet. For use in burettes.
Products
Products

| Catalog No | Key Type | Length (mm) | Key Bore Diameter (mm) | Recommended For | Quantity | |
|---|---|---|---|---|---|---|
| SSD502 | Glass | - | 2 | - | 1 | Find a distributor |
| SST502 | PTFE | - | 1.5 | Catalogue number: Key only: SST102K | 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
These stopcocks can be supplied with either a PTFE or glass stopcock key and have one plain side-arm and one capillary side-arm, which is drawn to a jet. For use in burettes.
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