

Penny Head Ground Glass Stopper, High Quality Borosilicate Glass, Heavy Quality
$2.00 – $13.50Price range: $2.00 through $13.50
- Penny head shape allows easy handling and grip
- Ground glass taper ensures airtight sealing
- Heavy quality glass for durability and lab safety
- Used in reagent bottles, flasks, and tubing ports
- Ideal for chemical storage and sample protection
- Made from LabChoice BORO 3.3 glass – High quality
- Description
Description
Penny head ground glass stoppers are designed to provide a secure and reusable seal for laboratory glassware. Their flat, wide top makes insertion and removal easy, even when wearing gloves, while the precision-ground taper fits snugly in standard glass joints.
Constructed from heavy-quality LabChoice BORO 3.3 borosilicate glass, these stoppers resist chemical corrosion, thermal stress, and chipping. Ideal for sealing flasks, reagent bottles, and apparatus requiring airtight closures, they help prevent evaporation and contamination.
Trusted by labs across Australia, these stoppers are supplied by LabChoice Australia to support safe, reliable containment in chemical storage and lab workflows.
Item Code | N S | Pack |
LC-12-PH4901 | 10/19 | 1 |
LC-12-PH4902 | 14/23 | 1 |
LC-12-PH4903 | 19/26 | 1 |
LC-12-PH4904 | 24/29 | 1 |
LC-12-PH4905 | 29/32 | 1 |
LC-12-PH4906 | 34/35 | 1 |
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LATEST PRODUCTS
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TOP RATED PRODUCTS
Volumetric Flask with PE Stopper, Class A, Borosilicate Glass (BORO 3.3)
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Our Reviews

Sarah Nguyen
1 week ago
We needed a set of customised borosilicate glassware for a specialised project, and LabChoice Australia delivered exactly what we envisioned. The team worked closely with us from design to production, ensuring every detail met our specifications. The craftsmanship is exceptional, and the turnaround time was impressive. It’s reassuring to know we can rely on them for unique, made-to-order pieces

Dr. Emily Hart – Senior Research Scientist
3 weeks ago
LabChoice Australia has completely changed the way we source our lab glassware. The quality is consistently top-notch, and every piece meets the precision we need for reliable results. Their team knows their stuff, answers our questions quickly, and always goes the extra mile to help — they’re more like partners than just a supplier.

Mark Stevens
3 weeks ago
We trust LabChoice Australia because they deliver every time. Their borosilicate glassware is durable, accurate, and perfect for the high-heat work we do. Everything arrives well-packed with clear specs, so there are never surprises. It’s reassuring to deal with a supplier who understands both compliance and the demands of a busy lab